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First drug for MET+ NSCLC shows high response rates
conclude investigators of the pivotal trial that led to the drug’s approval.
Responses were seen in all patients regardless of how many previous drugs they had been treated with, although responses were particularly pronounced among patients who were treatment naive.
Capmatinib and a companion assay received FDA approval in May 2020 for the treatment of adults with metastatic NSCLC harboring MET exon 14–skipping mutations.
These MET mutations occur in 3%-4% of NSCLC patients. MET amplifications occur in 1%-6% of NSCLC patients. They have been associated with poor response to chemotherapy and immunotherapy.
“Prior to this approval, there weren’t any approved therapies for this group of patients,” noted Edward Garon, MD, associate professor of hematology and oncology at the University of California, Los Angeles, who led the pivotal trial.
“There are several drugs that have been used off label for MET exon 14 skipping mutations, but none with an indication for it,” he said in an interview.
Garon emphasized that capmatinib was particularly robust for patients who had not received prior therapy, although he added that it was also very effective for those who had been previously treated.
“The drug has been approved and it is available, and we have already written prescriptions for it at our clinic,” said Dr. Garon, “although, at our clinic, the majority of patients using it were part of the [pivotal] clinical trial.”
That trial is the phase 2 GEOMETRY mono-1 study. Results from the study were presented at a meeting earlier this year and have now been published in the New England Journal of Medicine.
It was conducted in a cohort of 364 patients with advanced NSCLC. Patients were stratified into five cohorts and two expansion cohorts, which were assigned according to MET status and previous lines of therapy. Across cohorts 1 through 5, a total of 97 patients had a MET exon 14–skipping mutation, and 210 had MET amplification. All patients were treated with capmatinib 400 mg twice daily.
Among patients with a MET exon 14 skipping mutation, an overall response was observed in 41% of previously treated patients and in 68% of those who had not previously been treated.
“That is a very high response rate, and clearly this drug is targeting this mutation,” said Fred Hirsch, MD, PhD, executive director, Center for Thoracic Oncology, Mount Sinai Health System, New York, who was approached for comment. “It’s very active, and you don’t get those responses with chemotherapy.”
The median duration of response was 9.7 months among previously treated patients and 12.6 months among those who were treatment naive. Median progression-free survival (PFS) was 5.4 months and 12.4 months, respectively.
In the cohort of patients with MET amplification, the overall response was 12% among those whose tumor tissue had a gene copy number of 6-9. The overall response rate was 9% among those with a gene copy number of 4 or 5, and it was 7% among those with a gene copy number of less than 4.
Median PFS was 2.7 months for patients whose tumor tissue had a gene copy number of 6-9 and in those with a gene copy number of 4 or 5. PFS rose to 3.6 months for patients with a gene copy number of less than 4.
The most frequently reported adverse events were peripheral edema (in 51%) and nausea (in 45%). These events were mostly of grade 1 or 2. Treatment-related serious adverse events occurred in 13% of patients. The incidence was lower in the groups with shorter duration of exposure. Treatment was discontinued in 11% of patients (consistent across cohorts) because of adverse events.
Dr. Hirsch commented that the results for patients with NSCLC and brain metastases were particularly noteworthy. “Brain metastases are, unfortunately, a common problem in patients with lung cancer,” he said. “Now, we have a drug that is effective for MET mutation and CNS involvement and can penetrate the blood-brain barrier, and this is a very encouraging situation.”
He pointed out that 7 of 13 patients with brain metastases responded to treatment with capmatinib. “Four patients have a complete response, and that is very encouraging,” said Dr. Hirsch. “This is clearly a deal-breaker in my opinion.”
The future is bright
Dr. Hirsch noted that the evidence supporting capmatinib is strong, even though a larger prospective study with a control group is lacking. “If we have a patient with this mutation, and knowing that there is a drug with a response rate of 68%, that is a good reason to try the drug up front. The data are sufficient that it should be offered to the patient, even without a control group.”
Capmatinib is the latest of many targeted drugs that have been launched in recent years, and several immunotherapies are also now available for treatment of this disease. These new therapies are making this a “very encouraging time in lung cancer,” Dr. Hirsch commented.
“We are seeing long-term survival, and, eventually, we may start seeing potential cures for some patients,” he said. “But at the very least, we are seeing very good long-term results with many of these targeted therapies, and we are continuing to learn more about resistant mechanisms. I can’t wait to see future in the field.”
The study was funded by Novartis Pharmaceuticals. Dr. Garon reports consulting or advisory roles with Dracen and research funding (institutional) from Merck, Genentech, AstraZeneca, Novartis, Lilly, Bristol-Myers Squibb, Mirati Therapeutics, Dynavax, Iovance Biotherapeutics, and Neon Therapeutics. His coauthors have disclosed numerous relationships with industry, as listed in the original article. Dr. Hirsch has disclosed no relevant financial relationships.
This article first appeared on Medscape.com.
conclude investigators of the pivotal trial that led to the drug’s approval.
Responses were seen in all patients regardless of how many previous drugs they had been treated with, although responses were particularly pronounced among patients who were treatment naive.
Capmatinib and a companion assay received FDA approval in May 2020 for the treatment of adults with metastatic NSCLC harboring MET exon 14–skipping mutations.
These MET mutations occur in 3%-4% of NSCLC patients. MET amplifications occur in 1%-6% of NSCLC patients. They have been associated with poor response to chemotherapy and immunotherapy.
“Prior to this approval, there weren’t any approved therapies for this group of patients,” noted Edward Garon, MD, associate professor of hematology and oncology at the University of California, Los Angeles, who led the pivotal trial.
“There are several drugs that have been used off label for MET exon 14 skipping mutations, but none with an indication for it,” he said in an interview.
Garon emphasized that capmatinib was particularly robust for patients who had not received prior therapy, although he added that it was also very effective for those who had been previously treated.
“The drug has been approved and it is available, and we have already written prescriptions for it at our clinic,” said Dr. Garon, “although, at our clinic, the majority of patients using it were part of the [pivotal] clinical trial.”
That trial is the phase 2 GEOMETRY mono-1 study. Results from the study were presented at a meeting earlier this year and have now been published in the New England Journal of Medicine.
It was conducted in a cohort of 364 patients with advanced NSCLC. Patients were stratified into five cohorts and two expansion cohorts, which were assigned according to MET status and previous lines of therapy. Across cohorts 1 through 5, a total of 97 patients had a MET exon 14–skipping mutation, and 210 had MET amplification. All patients were treated with capmatinib 400 mg twice daily.
Among patients with a MET exon 14 skipping mutation, an overall response was observed in 41% of previously treated patients and in 68% of those who had not previously been treated.
“That is a very high response rate, and clearly this drug is targeting this mutation,” said Fred Hirsch, MD, PhD, executive director, Center for Thoracic Oncology, Mount Sinai Health System, New York, who was approached for comment. “It’s very active, and you don’t get those responses with chemotherapy.”
The median duration of response was 9.7 months among previously treated patients and 12.6 months among those who were treatment naive. Median progression-free survival (PFS) was 5.4 months and 12.4 months, respectively.
In the cohort of patients with MET amplification, the overall response was 12% among those whose tumor tissue had a gene copy number of 6-9. The overall response rate was 9% among those with a gene copy number of 4 or 5, and it was 7% among those with a gene copy number of less than 4.
Median PFS was 2.7 months for patients whose tumor tissue had a gene copy number of 6-9 and in those with a gene copy number of 4 or 5. PFS rose to 3.6 months for patients with a gene copy number of less than 4.
The most frequently reported adverse events were peripheral edema (in 51%) and nausea (in 45%). These events were mostly of grade 1 or 2. Treatment-related serious adverse events occurred in 13% of patients. The incidence was lower in the groups with shorter duration of exposure. Treatment was discontinued in 11% of patients (consistent across cohorts) because of adverse events.
Dr. Hirsch commented that the results for patients with NSCLC and brain metastases were particularly noteworthy. “Brain metastases are, unfortunately, a common problem in patients with lung cancer,” he said. “Now, we have a drug that is effective for MET mutation and CNS involvement and can penetrate the blood-brain barrier, and this is a very encouraging situation.”
He pointed out that 7 of 13 patients with brain metastases responded to treatment with capmatinib. “Four patients have a complete response, and that is very encouraging,” said Dr. Hirsch. “This is clearly a deal-breaker in my opinion.”
The future is bright
Dr. Hirsch noted that the evidence supporting capmatinib is strong, even though a larger prospective study with a control group is lacking. “If we have a patient with this mutation, and knowing that there is a drug with a response rate of 68%, that is a good reason to try the drug up front. The data are sufficient that it should be offered to the patient, even without a control group.”
Capmatinib is the latest of many targeted drugs that have been launched in recent years, and several immunotherapies are also now available for treatment of this disease. These new therapies are making this a “very encouraging time in lung cancer,” Dr. Hirsch commented.
“We are seeing long-term survival, and, eventually, we may start seeing potential cures for some patients,” he said. “But at the very least, we are seeing very good long-term results with many of these targeted therapies, and we are continuing to learn more about resistant mechanisms. I can’t wait to see future in the field.”
The study was funded by Novartis Pharmaceuticals. Dr. Garon reports consulting or advisory roles with Dracen and research funding (institutional) from Merck, Genentech, AstraZeneca, Novartis, Lilly, Bristol-Myers Squibb, Mirati Therapeutics, Dynavax, Iovance Biotherapeutics, and Neon Therapeutics. His coauthors have disclosed numerous relationships with industry, as listed in the original article. Dr. Hirsch has disclosed no relevant financial relationships.
This article first appeared on Medscape.com.
conclude investigators of the pivotal trial that led to the drug’s approval.
Responses were seen in all patients regardless of how many previous drugs they had been treated with, although responses were particularly pronounced among patients who were treatment naive.
Capmatinib and a companion assay received FDA approval in May 2020 for the treatment of adults with metastatic NSCLC harboring MET exon 14–skipping mutations.
These MET mutations occur in 3%-4% of NSCLC patients. MET amplifications occur in 1%-6% of NSCLC patients. They have been associated with poor response to chemotherapy and immunotherapy.
“Prior to this approval, there weren’t any approved therapies for this group of patients,” noted Edward Garon, MD, associate professor of hematology and oncology at the University of California, Los Angeles, who led the pivotal trial.
“There are several drugs that have been used off label for MET exon 14 skipping mutations, but none with an indication for it,” he said in an interview.
Garon emphasized that capmatinib was particularly robust for patients who had not received prior therapy, although he added that it was also very effective for those who had been previously treated.
“The drug has been approved and it is available, and we have already written prescriptions for it at our clinic,” said Dr. Garon, “although, at our clinic, the majority of patients using it were part of the [pivotal] clinical trial.”
That trial is the phase 2 GEOMETRY mono-1 study. Results from the study were presented at a meeting earlier this year and have now been published in the New England Journal of Medicine.
It was conducted in a cohort of 364 patients with advanced NSCLC. Patients were stratified into five cohorts and two expansion cohorts, which were assigned according to MET status and previous lines of therapy. Across cohorts 1 through 5, a total of 97 patients had a MET exon 14–skipping mutation, and 210 had MET amplification. All patients were treated with capmatinib 400 mg twice daily.
Among patients with a MET exon 14 skipping mutation, an overall response was observed in 41% of previously treated patients and in 68% of those who had not previously been treated.
“That is a very high response rate, and clearly this drug is targeting this mutation,” said Fred Hirsch, MD, PhD, executive director, Center for Thoracic Oncology, Mount Sinai Health System, New York, who was approached for comment. “It’s very active, and you don’t get those responses with chemotherapy.”
The median duration of response was 9.7 months among previously treated patients and 12.6 months among those who were treatment naive. Median progression-free survival (PFS) was 5.4 months and 12.4 months, respectively.
In the cohort of patients with MET amplification, the overall response was 12% among those whose tumor tissue had a gene copy number of 6-9. The overall response rate was 9% among those with a gene copy number of 4 or 5, and it was 7% among those with a gene copy number of less than 4.
Median PFS was 2.7 months for patients whose tumor tissue had a gene copy number of 6-9 and in those with a gene copy number of 4 or 5. PFS rose to 3.6 months for patients with a gene copy number of less than 4.
The most frequently reported adverse events were peripheral edema (in 51%) and nausea (in 45%). These events were mostly of grade 1 or 2. Treatment-related serious adverse events occurred in 13% of patients. The incidence was lower in the groups with shorter duration of exposure. Treatment was discontinued in 11% of patients (consistent across cohorts) because of adverse events.
Dr. Hirsch commented that the results for patients with NSCLC and brain metastases were particularly noteworthy. “Brain metastases are, unfortunately, a common problem in patients with lung cancer,” he said. “Now, we have a drug that is effective for MET mutation and CNS involvement and can penetrate the blood-brain barrier, and this is a very encouraging situation.”
He pointed out that 7 of 13 patients with brain metastases responded to treatment with capmatinib. “Four patients have a complete response, and that is very encouraging,” said Dr. Hirsch. “This is clearly a deal-breaker in my opinion.”
The future is bright
Dr. Hirsch noted that the evidence supporting capmatinib is strong, even though a larger prospective study with a control group is lacking. “If we have a patient with this mutation, and knowing that there is a drug with a response rate of 68%, that is a good reason to try the drug up front. The data are sufficient that it should be offered to the patient, even without a control group.”
Capmatinib is the latest of many targeted drugs that have been launched in recent years, and several immunotherapies are also now available for treatment of this disease. These new therapies are making this a “very encouraging time in lung cancer,” Dr. Hirsch commented.
“We are seeing long-term survival, and, eventually, we may start seeing potential cures for some patients,” he said. “But at the very least, we are seeing very good long-term results with many of these targeted therapies, and we are continuing to learn more about resistant mechanisms. I can’t wait to see future in the field.”
The study was funded by Novartis Pharmaceuticals. Dr. Garon reports consulting or advisory roles with Dracen and research funding (institutional) from Merck, Genentech, AstraZeneca, Novartis, Lilly, Bristol-Myers Squibb, Mirati Therapeutics, Dynavax, Iovance Biotherapeutics, and Neon Therapeutics. His coauthors have disclosed numerous relationships with industry, as listed in the original article. Dr. Hirsch has disclosed no relevant financial relationships.
This article first appeared on Medscape.com.
Hair dye and cancer study ‘offers some reassurance’
Findings limited to White women in United States
The largest study of its kind has found no positive association between personal use of permanent hair dye and the risk for most cancers and cancer mortality.
The findings come from the Nurses’ Health Study, an ongoing prospective cohort study of more than 117,000 women who have been followed for 36 years and who did not have cancer at baseline.
The findings were published online on September 2 in the BMJ.
The results “offer some reassurance against concerns that personal use of permanent hair dyes might be associated with increased cancer risk or mortality,” write the investigators, with first author Yin Zhang, PhD, of Harvard Medical School, Boston.
The findings, which are limited to White women in the United States, indicate correlation, not causation, the authors emphasize.
Nevertheless, the researchers found an increased risk for some cancers among hair dye users, especially with greater cumulative dose (200 or more uses during the study period). The risk was increased for basal cell carcinoma, breast cancer (specifically, estrogen receptor negative [ER–], progesterone receptor negative [PR–], and hormone receptor negative [ER–, PR–]), and ovarian cancer.
A British expert not involved in the study dismissed these findings. “The reported associations are very weak, and, given the number of associations reported in this manuscript, they are very likely to be chance findings,” commented Paul Pharoah, PhD, professor of cancer epidemiology at the University of Cambridge (England).
“For the cancers where an increase in risk is reported, the results are not compelling. Even if they were real findings, the associations may not be cause-and-effect, and, even if they were causal associations, the magnitude of the effects are so small that any risk would be trivial.
“In short, none of the findings reported in this manuscript suggest that women who use hair dye are putting themselves at increased risk of cancer,” he stated.
A U.S. researcher who has previously coauthored a study suggesting an association between hair dye and breast cancer agreed that the increases in risk reported in this current study are “small.” But they are “of interest,” especially for breast and ovarian cancer, said Alexandra White, PhD, of the National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, N.C.
Hair dyes include compounds that “are not just potential carcinogens but also act as endocrine disruptors,” she said in an interview.
“In both breast and ovarian cancer, we know that hormones play an important part in the etiology ... so it’s biologically plausible that you would see [these associations in the current study],” added Dr. White, who was approached for comment.
However, she added that, even with the “modest” 20%-28% increase in the relative risk for certain breast cancers linked to a heavy cumulative dose of dyes in the current study, “there doesn’t seem to be any strong association with any cancer type.”
But she also pointed out that the most outstanding risk association was among ER–/PR– breast cancers, which are the “most aggressive and difficult to treat,” and thus the new findings are “important.”
Dr. White is the lead author of a 2019 study that received a lot of media attention because it rang an alarm bell about hair dyes and breast cancer risk.
That study concluded that ever using permanent hair dye or hair straighteners was associated with a higher risk for breast cancer than never using them and that this higher risk was especially associated with Black women. However, the study participants were from the prospective Sister Study. The participants in that study had no history of breast cancer, but they each had at least one sister who did. This family history of breast cancer may represent selection bias.
With changes in the 1980s, even safer now?
The study of hair dyes and cancer has “major public health implications” because the use of hair dye is widespread, Dr. Zhang and colleagues write in their article. They estimate that 50% to 80% of women and 10% of men aged 40 years and older in the United States and Europe use hair dye.
Permanent hair dyes “pose the greatest potential concern,” they stated, adding that these account for approximately 80% of hair dyes used in the United States and Europe and an even higher percentage in Asia.
The International Agency for Research on Cancer classifies occupational exposure to hair dyes as probably carcinogenic, but the carcinogenicity resulting from personal use of hair dyes is not classifiable – thus, there is no warning about at-home usage.
Notably, there was “a huge and very important” change in hair dye ingredients in the 1980s after the Food and Drug Administration warned about some chemicals in permanent hair dyes and the cosmetic industry altered their formulas, lead author Dr. Zhang said.
However, the researchers could not analyze use before and after the changes because not enough women reported first use of permanent hair dye after 1980 (only 1890 of 117,200 participants).
“We could expect that the current ingredients should make it safer,” Dr. Zhang said.
Study details
The researchers report that ever-users of permanent hair dyes had no significant increases in risk for solid cancers (n = 20,805; hazard ratio, 0.98, 95% confidence interval, 0.96-1.01) or hematopoietic cancers overall (n = 1,807; HR, 1.00; 95% CI, 0.91-1.10) compared with nonusers.
Additionally, ever-users did not have an increased risk for most specific cancers or cancer-related death (n = 4,860; HR, 0.96; 95% CI, 0.91-1.02).
As noted above, there were some exceptions.
Basal cell carcinoma risk was slightly increased for ever-users (n = 22,560; HR, 1.05; 95% CI, 1.02-1.08). Cumulative dose (a calculation of duration and frequency) was positively associated with risk for ER– breast cancer, PR– breast cancer, ER–/PR– breast cancer, and ovarian cancer, with risk rising in accordance with the total amount of dye.
Notably, at a cumulative dose of ≥200 uses, there was a 20% increase in the relative risk for ER- breast cancer (n = 1521; HR, 1.20; 95% CI, 1.02-1.41; P value for trend, .03). At the same cumulative dose, there was a 28% increase in the relative risk for ER-/PR- breast cancer (n = 1287; HR, 1.28, 95% CI, 1.08-1.52; P value for trend, .006).
In addition, an increased risk for Hodgkin lymphoma was observed, but only for women with naturally dark hair (the calculation was based on 70 women, 24 of whom had dark hair).
In a press statement, senior author Eva Schernhammer, PhD, of Harvard and the Medical University of Vienna, said the results “justify further prospective validation.”
She also explained that there are many variables to consider in this research, including different populations and countries, different susceptibility genotypes, different exposure settings (personal use vs. occupational exposure), and different colors of the permanent hair dyes used (dark dyes vs. light dyes).
Geographic location is a particularly important variable, suggested the study authors.
They pointed out that Europe, but not the United States, banned some individual hair dye ingredients that were considered carcinogenic during both the 1980s and 2000s. One country has even tighter oversight: “The most restrictive regulation of hair dyes exists in Japan, where cosmetic products are considered equivalent to drugs.”
The study was funded by the Centers for Disease Control and Prevention and the National Institute for Occupational Safety and Health. The study authors and Dr. White have disclosed no relevant financial relationships.
This article first appeared on Medscape.com.
Findings limited to White women in United States
Findings limited to White women in United States
The largest study of its kind has found no positive association between personal use of permanent hair dye and the risk for most cancers and cancer mortality.
The findings come from the Nurses’ Health Study, an ongoing prospective cohort study of more than 117,000 women who have been followed for 36 years and who did not have cancer at baseline.
The findings were published online on September 2 in the BMJ.
The results “offer some reassurance against concerns that personal use of permanent hair dyes might be associated with increased cancer risk or mortality,” write the investigators, with first author Yin Zhang, PhD, of Harvard Medical School, Boston.
The findings, which are limited to White women in the United States, indicate correlation, not causation, the authors emphasize.
Nevertheless, the researchers found an increased risk for some cancers among hair dye users, especially with greater cumulative dose (200 or more uses during the study period). The risk was increased for basal cell carcinoma, breast cancer (specifically, estrogen receptor negative [ER–], progesterone receptor negative [PR–], and hormone receptor negative [ER–, PR–]), and ovarian cancer.
A British expert not involved in the study dismissed these findings. “The reported associations are very weak, and, given the number of associations reported in this manuscript, they are very likely to be chance findings,” commented Paul Pharoah, PhD, professor of cancer epidemiology at the University of Cambridge (England).
“For the cancers where an increase in risk is reported, the results are not compelling. Even if they were real findings, the associations may not be cause-and-effect, and, even if they were causal associations, the magnitude of the effects are so small that any risk would be trivial.
“In short, none of the findings reported in this manuscript suggest that women who use hair dye are putting themselves at increased risk of cancer,” he stated.
A U.S. researcher who has previously coauthored a study suggesting an association between hair dye and breast cancer agreed that the increases in risk reported in this current study are “small.” But they are “of interest,” especially for breast and ovarian cancer, said Alexandra White, PhD, of the National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, N.C.
Hair dyes include compounds that “are not just potential carcinogens but also act as endocrine disruptors,” she said in an interview.
“In both breast and ovarian cancer, we know that hormones play an important part in the etiology ... so it’s biologically plausible that you would see [these associations in the current study],” added Dr. White, who was approached for comment.
However, she added that, even with the “modest” 20%-28% increase in the relative risk for certain breast cancers linked to a heavy cumulative dose of dyes in the current study, “there doesn’t seem to be any strong association with any cancer type.”
But she also pointed out that the most outstanding risk association was among ER–/PR– breast cancers, which are the “most aggressive and difficult to treat,” and thus the new findings are “important.”
Dr. White is the lead author of a 2019 study that received a lot of media attention because it rang an alarm bell about hair dyes and breast cancer risk.
That study concluded that ever using permanent hair dye or hair straighteners was associated with a higher risk for breast cancer than never using them and that this higher risk was especially associated with Black women. However, the study participants were from the prospective Sister Study. The participants in that study had no history of breast cancer, but they each had at least one sister who did. This family history of breast cancer may represent selection bias.
With changes in the 1980s, even safer now?
The study of hair dyes and cancer has “major public health implications” because the use of hair dye is widespread, Dr. Zhang and colleagues write in their article. They estimate that 50% to 80% of women and 10% of men aged 40 years and older in the United States and Europe use hair dye.
Permanent hair dyes “pose the greatest potential concern,” they stated, adding that these account for approximately 80% of hair dyes used in the United States and Europe and an even higher percentage in Asia.
The International Agency for Research on Cancer classifies occupational exposure to hair dyes as probably carcinogenic, but the carcinogenicity resulting from personal use of hair dyes is not classifiable – thus, there is no warning about at-home usage.
Notably, there was “a huge and very important” change in hair dye ingredients in the 1980s after the Food and Drug Administration warned about some chemicals in permanent hair dyes and the cosmetic industry altered their formulas, lead author Dr. Zhang said.
However, the researchers could not analyze use before and after the changes because not enough women reported first use of permanent hair dye after 1980 (only 1890 of 117,200 participants).
“We could expect that the current ingredients should make it safer,” Dr. Zhang said.
Study details
The researchers report that ever-users of permanent hair dyes had no significant increases in risk for solid cancers (n = 20,805; hazard ratio, 0.98, 95% confidence interval, 0.96-1.01) or hematopoietic cancers overall (n = 1,807; HR, 1.00; 95% CI, 0.91-1.10) compared with nonusers.
Additionally, ever-users did not have an increased risk for most specific cancers or cancer-related death (n = 4,860; HR, 0.96; 95% CI, 0.91-1.02).
As noted above, there were some exceptions.
Basal cell carcinoma risk was slightly increased for ever-users (n = 22,560; HR, 1.05; 95% CI, 1.02-1.08). Cumulative dose (a calculation of duration and frequency) was positively associated with risk for ER– breast cancer, PR– breast cancer, ER–/PR– breast cancer, and ovarian cancer, with risk rising in accordance with the total amount of dye.
Notably, at a cumulative dose of ≥200 uses, there was a 20% increase in the relative risk for ER- breast cancer (n = 1521; HR, 1.20; 95% CI, 1.02-1.41; P value for trend, .03). At the same cumulative dose, there was a 28% increase in the relative risk for ER-/PR- breast cancer (n = 1287; HR, 1.28, 95% CI, 1.08-1.52; P value for trend, .006).
In addition, an increased risk for Hodgkin lymphoma was observed, but only for women with naturally dark hair (the calculation was based on 70 women, 24 of whom had dark hair).
In a press statement, senior author Eva Schernhammer, PhD, of Harvard and the Medical University of Vienna, said the results “justify further prospective validation.”
She also explained that there are many variables to consider in this research, including different populations and countries, different susceptibility genotypes, different exposure settings (personal use vs. occupational exposure), and different colors of the permanent hair dyes used (dark dyes vs. light dyes).
Geographic location is a particularly important variable, suggested the study authors.
They pointed out that Europe, but not the United States, banned some individual hair dye ingredients that were considered carcinogenic during both the 1980s and 2000s. One country has even tighter oversight: “The most restrictive regulation of hair dyes exists in Japan, where cosmetic products are considered equivalent to drugs.”
The study was funded by the Centers for Disease Control and Prevention and the National Institute for Occupational Safety and Health. The study authors and Dr. White have disclosed no relevant financial relationships.
This article first appeared on Medscape.com.
The largest study of its kind has found no positive association between personal use of permanent hair dye and the risk for most cancers and cancer mortality.
The findings come from the Nurses’ Health Study, an ongoing prospective cohort study of more than 117,000 women who have been followed for 36 years and who did not have cancer at baseline.
The findings were published online on September 2 in the BMJ.
The results “offer some reassurance against concerns that personal use of permanent hair dyes might be associated with increased cancer risk or mortality,” write the investigators, with first author Yin Zhang, PhD, of Harvard Medical School, Boston.
The findings, which are limited to White women in the United States, indicate correlation, not causation, the authors emphasize.
Nevertheless, the researchers found an increased risk for some cancers among hair dye users, especially with greater cumulative dose (200 or more uses during the study period). The risk was increased for basal cell carcinoma, breast cancer (specifically, estrogen receptor negative [ER–], progesterone receptor negative [PR–], and hormone receptor negative [ER–, PR–]), and ovarian cancer.
A British expert not involved in the study dismissed these findings. “The reported associations are very weak, and, given the number of associations reported in this manuscript, they are very likely to be chance findings,” commented Paul Pharoah, PhD, professor of cancer epidemiology at the University of Cambridge (England).
“For the cancers where an increase in risk is reported, the results are not compelling. Even if they were real findings, the associations may not be cause-and-effect, and, even if they were causal associations, the magnitude of the effects are so small that any risk would be trivial.
“In short, none of the findings reported in this manuscript suggest that women who use hair dye are putting themselves at increased risk of cancer,” he stated.
A U.S. researcher who has previously coauthored a study suggesting an association between hair dye and breast cancer agreed that the increases in risk reported in this current study are “small.” But they are “of interest,” especially for breast and ovarian cancer, said Alexandra White, PhD, of the National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, N.C.
Hair dyes include compounds that “are not just potential carcinogens but also act as endocrine disruptors,” she said in an interview.
“In both breast and ovarian cancer, we know that hormones play an important part in the etiology ... so it’s biologically plausible that you would see [these associations in the current study],” added Dr. White, who was approached for comment.
However, she added that, even with the “modest” 20%-28% increase in the relative risk for certain breast cancers linked to a heavy cumulative dose of dyes in the current study, “there doesn’t seem to be any strong association with any cancer type.”
But she also pointed out that the most outstanding risk association was among ER–/PR– breast cancers, which are the “most aggressive and difficult to treat,” and thus the new findings are “important.”
Dr. White is the lead author of a 2019 study that received a lot of media attention because it rang an alarm bell about hair dyes and breast cancer risk.
That study concluded that ever using permanent hair dye or hair straighteners was associated with a higher risk for breast cancer than never using them and that this higher risk was especially associated with Black women. However, the study participants were from the prospective Sister Study. The participants in that study had no history of breast cancer, but they each had at least one sister who did. This family history of breast cancer may represent selection bias.
With changes in the 1980s, even safer now?
The study of hair dyes and cancer has “major public health implications” because the use of hair dye is widespread, Dr. Zhang and colleagues write in their article. They estimate that 50% to 80% of women and 10% of men aged 40 years and older in the United States and Europe use hair dye.
Permanent hair dyes “pose the greatest potential concern,” they stated, adding that these account for approximately 80% of hair dyes used in the United States and Europe and an even higher percentage in Asia.
The International Agency for Research on Cancer classifies occupational exposure to hair dyes as probably carcinogenic, but the carcinogenicity resulting from personal use of hair dyes is not classifiable – thus, there is no warning about at-home usage.
Notably, there was “a huge and very important” change in hair dye ingredients in the 1980s after the Food and Drug Administration warned about some chemicals in permanent hair dyes and the cosmetic industry altered their formulas, lead author Dr. Zhang said.
However, the researchers could not analyze use before and after the changes because not enough women reported first use of permanent hair dye after 1980 (only 1890 of 117,200 participants).
“We could expect that the current ingredients should make it safer,” Dr. Zhang said.
Study details
The researchers report that ever-users of permanent hair dyes had no significant increases in risk for solid cancers (n = 20,805; hazard ratio, 0.98, 95% confidence interval, 0.96-1.01) or hematopoietic cancers overall (n = 1,807; HR, 1.00; 95% CI, 0.91-1.10) compared with nonusers.
Additionally, ever-users did not have an increased risk for most specific cancers or cancer-related death (n = 4,860; HR, 0.96; 95% CI, 0.91-1.02).
As noted above, there were some exceptions.
Basal cell carcinoma risk was slightly increased for ever-users (n = 22,560; HR, 1.05; 95% CI, 1.02-1.08). Cumulative dose (a calculation of duration and frequency) was positively associated with risk for ER– breast cancer, PR– breast cancer, ER–/PR– breast cancer, and ovarian cancer, with risk rising in accordance with the total amount of dye.
Notably, at a cumulative dose of ≥200 uses, there was a 20% increase in the relative risk for ER- breast cancer (n = 1521; HR, 1.20; 95% CI, 1.02-1.41; P value for trend, .03). At the same cumulative dose, there was a 28% increase in the relative risk for ER-/PR- breast cancer (n = 1287; HR, 1.28, 95% CI, 1.08-1.52; P value for trend, .006).
In addition, an increased risk for Hodgkin lymphoma was observed, but only for women with naturally dark hair (the calculation was based on 70 women, 24 of whom had dark hair).
In a press statement, senior author Eva Schernhammer, PhD, of Harvard and the Medical University of Vienna, said the results “justify further prospective validation.”
She also explained that there are many variables to consider in this research, including different populations and countries, different susceptibility genotypes, different exposure settings (personal use vs. occupational exposure), and different colors of the permanent hair dyes used (dark dyes vs. light dyes).
Geographic location is a particularly important variable, suggested the study authors.
They pointed out that Europe, but not the United States, banned some individual hair dye ingredients that were considered carcinogenic during both the 1980s and 2000s. One country has even tighter oversight: “The most restrictive regulation of hair dyes exists in Japan, where cosmetic products are considered equivalent to drugs.”
The study was funded by the Centers for Disease Control and Prevention and the National Institute for Occupational Safety and Health. The study authors and Dr. White have disclosed no relevant financial relationships.
This article first appeared on Medscape.com.
Thromboembolic Events in Lung Cancer Patients Treated With Conventional Chemotherapy Alone Compared With Immunotherapy
PURPOSE: This retrospective analysis was designed to determine the incidence of venous and arterial thromboembolic events (TEEs) in lung cancer patients treated with either conventional chemotherapy (CC) alone, immunotherapy (IT) alone, or a combination of the two (C+I).
BACKGROUND: TEEs are a serious complication in cancer patients. Lung cancer is among the more thrombogenic malignancies and platinum-based chemotherapy used commonly in this setting is among the more thrombogenic CC regimens. IT and C+I have an increasing role among frontline management options for advanced stage lung cancers. However, the incidence of TEEs associated with IT agents has not been well characterized.
METHODS: Veterans with lung cancer were retrospectively identified in a VINCI CDW research database by ICD code. Treatment with CC and/or IT, and incidence of and time to TEEs (defined as deep vein thrombosis, pulmonary embolism, stroke, or myocardial infarction) were retrieved from the database using custom queries. Time to TEE was assessed relative to treatment start date, with censoring at a maximum of 180 days.
DATA ANALYSIS: We performed chi-squared tests and Kaplan-Meier time-to-event analyses among CC, C+I, and IT cohorts, controlling for platinum-containing v. non-platinum regimens. RESULTS: We identified 77,472 Veterans (97.7 % male, average age 66) with lung cancer treated between 1992-2019, 93.6% of whom received CC, while 4.5% and 1.9% received C+I or IT, respectively. We observed the highest rate of TEE in the IT cohort (13% v. 7.3% and 5.4% in the CC and C+I cohorts), and found that platinum-based chemotherapy decreased the likelihood of TEE (r = -3.13 and -4.06 for platinum-only and platinum-based with immunotherapy regimens), whereas IT strongly increased the likelihood of TEE (r = 8.05) (p<0.001). Finally, we confirm a decrease in time to TEE between the IT compared with CC and C+I cohorts (average 41 v. 57 and 65 days, respectively; <0.0001).
IMPLICATIONS: We found increased TEEs among lung cancer patients who received frontline IT compared with CC or C+I. With uncertainty in use of prophylactic anticoagulation for ambulatory cancer patients being treated with systemic therapy, cancer-associated TEE incidence and prevention in the IT setting warrants further evaluation.
PURPOSE: This retrospective analysis was designed to determine the incidence of venous and arterial thromboembolic events (TEEs) in lung cancer patients treated with either conventional chemotherapy (CC) alone, immunotherapy (IT) alone, or a combination of the two (C+I).
BACKGROUND: TEEs are a serious complication in cancer patients. Lung cancer is among the more thrombogenic malignancies and platinum-based chemotherapy used commonly in this setting is among the more thrombogenic CC regimens. IT and C+I have an increasing role among frontline management options for advanced stage lung cancers. However, the incidence of TEEs associated with IT agents has not been well characterized.
METHODS: Veterans with lung cancer were retrospectively identified in a VINCI CDW research database by ICD code. Treatment with CC and/or IT, and incidence of and time to TEEs (defined as deep vein thrombosis, pulmonary embolism, stroke, or myocardial infarction) were retrieved from the database using custom queries. Time to TEE was assessed relative to treatment start date, with censoring at a maximum of 180 days.
DATA ANALYSIS: We performed chi-squared tests and Kaplan-Meier time-to-event analyses among CC, C+I, and IT cohorts, controlling for platinum-containing v. non-platinum regimens. RESULTS: We identified 77,472 Veterans (97.7 % male, average age 66) with lung cancer treated between 1992-2019, 93.6% of whom received CC, while 4.5% and 1.9% received C+I or IT, respectively. We observed the highest rate of TEE in the IT cohort (13% v. 7.3% and 5.4% in the CC and C+I cohorts), and found that platinum-based chemotherapy decreased the likelihood of TEE (r = -3.13 and -4.06 for platinum-only and platinum-based with immunotherapy regimens), whereas IT strongly increased the likelihood of TEE (r = 8.05) (p<0.001). Finally, we confirm a decrease in time to TEE between the IT compared with CC and C+I cohorts (average 41 v. 57 and 65 days, respectively; <0.0001).
IMPLICATIONS: We found increased TEEs among lung cancer patients who received frontline IT compared with CC or C+I. With uncertainty in use of prophylactic anticoagulation for ambulatory cancer patients being treated with systemic therapy, cancer-associated TEE incidence and prevention in the IT setting warrants further evaluation.
PURPOSE: This retrospective analysis was designed to determine the incidence of venous and arterial thromboembolic events (TEEs) in lung cancer patients treated with either conventional chemotherapy (CC) alone, immunotherapy (IT) alone, or a combination of the two (C+I).
BACKGROUND: TEEs are a serious complication in cancer patients. Lung cancer is among the more thrombogenic malignancies and platinum-based chemotherapy used commonly in this setting is among the more thrombogenic CC regimens. IT and C+I have an increasing role among frontline management options for advanced stage lung cancers. However, the incidence of TEEs associated with IT agents has not been well characterized.
METHODS: Veterans with lung cancer were retrospectively identified in a VINCI CDW research database by ICD code. Treatment with CC and/or IT, and incidence of and time to TEEs (defined as deep vein thrombosis, pulmonary embolism, stroke, or myocardial infarction) were retrieved from the database using custom queries. Time to TEE was assessed relative to treatment start date, with censoring at a maximum of 180 days.
DATA ANALYSIS: We performed chi-squared tests and Kaplan-Meier time-to-event analyses among CC, C+I, and IT cohorts, controlling for platinum-containing v. non-platinum regimens. RESULTS: We identified 77,472 Veterans (97.7 % male, average age 66) with lung cancer treated between 1992-2019, 93.6% of whom received CC, while 4.5% and 1.9% received C+I or IT, respectively. We observed the highest rate of TEE in the IT cohort (13% v. 7.3% and 5.4% in the CC and C+I cohorts), and found that platinum-based chemotherapy decreased the likelihood of TEE (r = -3.13 and -4.06 for platinum-only and platinum-based with immunotherapy regimens), whereas IT strongly increased the likelihood of TEE (r = 8.05) (p<0.001). Finally, we confirm a decrease in time to TEE between the IT compared with CC and C+I cohorts (average 41 v. 57 and 65 days, respectively; <0.0001).
IMPLICATIONS: We found increased TEEs among lung cancer patients who received frontline IT compared with CC or C+I. With uncertainty in use of prophylactic anticoagulation for ambulatory cancer patients being treated with systemic therapy, cancer-associated TEE incidence and prevention in the IT setting warrants further evaluation.
A Case of Alectinib Cutaneous Toxicity and Results of a Desensitization Protocol
CASE REPORT: A male smoker aged 51 years with denovo metastatic NSCLC was treated with first-line chemoimmunotherapy. After 4 cycles, an EML4-ALK fusion was identified. At time of disease progression, alectinib 600mg BID was started after an 8-week washout period. Within 2 weeks, he developed a pruritic rash covering 90% of his BSA that required hospitalization and IV steroids. Biopsy confirmed a spongiotic and interface dermatitis with eosinophils consistent with a drug eruption. Rash was reported as an adverse event in the ALEX trial in 17% of patients treated with front-line alectinib but grade 3 rash was reported in only 1%.
A literature search demonstrated successful case reports of alectinib de-sensitization and thus a de-sensitization protocol was devised. Alectinib was started at 150mg daily and increased to 300mg BID over 2 weeks. His rash worsened resulting in a drug hold, treatment with oral prednisone, and a dose reduction to 300mg daily. The dose was increased to 300mg/450mg over 1 week when he developed painful mouth erosions. This resulted in a second dose hold and reduction to 300mg BID. After 2 weeks, alectinib was discontinued due to worsening rash with a plan to switch to an alternate ALK TKI, a strategy which has been successfully reported in the literature. Lorlatinib 100mg was recommended given phase 2 data demonstrating very low rates of rash (5% grade 1-2 and < 1% grade 3). While he did experience a facial rash within 2 weeks, a dose hold or reduction was not required. Nonetheless, lorlatinib was discontinued after 4 weeks due to other intolerable side effects and hypertriglyceridemia
DISCUSSION: Pembrolizumab has a terminal half-life of 22 days with steady state reached at 16 weeks with every 3-week dosing. It is therefore possible that prior exposure to pembrolizumab exacerbated the cutaneous toxicity of alectinib in this case. Multiple studies have shown that combining immunotherapy with alectinib leads to substantially more adverse events.
CONCLUSION: In patients with alectinib hypersensitivity, a de-sensitization protocol can be attempted. If hypersensitivity recurs, switching to an alternate ALK TKI is warranted. However, if immunotherapy has been previously administered without time for adequate washout, no TKI therapy may be tolerable.
CASE REPORT: A male smoker aged 51 years with denovo metastatic NSCLC was treated with first-line chemoimmunotherapy. After 4 cycles, an EML4-ALK fusion was identified. At time of disease progression, alectinib 600mg BID was started after an 8-week washout period. Within 2 weeks, he developed a pruritic rash covering 90% of his BSA that required hospitalization and IV steroids. Biopsy confirmed a spongiotic and interface dermatitis with eosinophils consistent with a drug eruption. Rash was reported as an adverse event in the ALEX trial in 17% of patients treated with front-line alectinib but grade 3 rash was reported in only 1%.
A literature search demonstrated successful case reports of alectinib de-sensitization and thus a de-sensitization protocol was devised. Alectinib was started at 150mg daily and increased to 300mg BID over 2 weeks. His rash worsened resulting in a drug hold, treatment with oral prednisone, and a dose reduction to 300mg daily. The dose was increased to 300mg/450mg over 1 week when he developed painful mouth erosions. This resulted in a second dose hold and reduction to 300mg BID. After 2 weeks, alectinib was discontinued due to worsening rash with a plan to switch to an alternate ALK TKI, a strategy which has been successfully reported in the literature. Lorlatinib 100mg was recommended given phase 2 data demonstrating very low rates of rash (5% grade 1-2 and < 1% grade 3). While he did experience a facial rash within 2 weeks, a dose hold or reduction was not required. Nonetheless, lorlatinib was discontinued after 4 weeks due to other intolerable side effects and hypertriglyceridemia
DISCUSSION: Pembrolizumab has a terminal half-life of 22 days with steady state reached at 16 weeks with every 3-week dosing. It is therefore possible that prior exposure to pembrolizumab exacerbated the cutaneous toxicity of alectinib in this case. Multiple studies have shown that combining immunotherapy with alectinib leads to substantially more adverse events.
CONCLUSION: In patients with alectinib hypersensitivity, a de-sensitization protocol can be attempted. If hypersensitivity recurs, switching to an alternate ALK TKI is warranted. However, if immunotherapy has been previously administered without time for adequate washout, no TKI therapy may be tolerable.
CASE REPORT: A male smoker aged 51 years with denovo metastatic NSCLC was treated with first-line chemoimmunotherapy. After 4 cycles, an EML4-ALK fusion was identified. At time of disease progression, alectinib 600mg BID was started after an 8-week washout period. Within 2 weeks, he developed a pruritic rash covering 90% of his BSA that required hospitalization and IV steroids. Biopsy confirmed a spongiotic and interface dermatitis with eosinophils consistent with a drug eruption. Rash was reported as an adverse event in the ALEX trial in 17% of patients treated with front-line alectinib but grade 3 rash was reported in only 1%.
A literature search demonstrated successful case reports of alectinib de-sensitization and thus a de-sensitization protocol was devised. Alectinib was started at 150mg daily and increased to 300mg BID over 2 weeks. His rash worsened resulting in a drug hold, treatment with oral prednisone, and a dose reduction to 300mg daily. The dose was increased to 300mg/450mg over 1 week when he developed painful mouth erosions. This resulted in a second dose hold and reduction to 300mg BID. After 2 weeks, alectinib was discontinued due to worsening rash with a plan to switch to an alternate ALK TKI, a strategy which has been successfully reported in the literature. Lorlatinib 100mg was recommended given phase 2 data demonstrating very low rates of rash (5% grade 1-2 and < 1% grade 3). While he did experience a facial rash within 2 weeks, a dose hold or reduction was not required. Nonetheless, lorlatinib was discontinued after 4 weeks due to other intolerable side effects and hypertriglyceridemia
DISCUSSION: Pembrolizumab has a terminal half-life of 22 days with steady state reached at 16 weeks with every 3-week dosing. It is therefore possible that prior exposure to pembrolizumab exacerbated the cutaneous toxicity of alectinib in this case. Multiple studies have shown that combining immunotherapy with alectinib leads to substantially more adverse events.
CONCLUSION: In patients with alectinib hypersensitivity, a de-sensitization protocol can be attempted. If hypersensitivity recurs, switching to an alternate ALK TKI is warranted. However, if immunotherapy has been previously administered without time for adequate washout, no TKI therapy may be tolerable.
VTE, sepsis risk increased among COVID-19 patients with cancer
, according to data from a registry study.
Researchers analyzed data on 5,556 patients with COVID-19 who had an inpatient or emergency encounter at Mount Sinai Health System (MSHS) in New York between March 1 and May 27, 2020. Patients were included in an anonymous MSHS COVID-19 registry.
There were 421 patients who had cancer: 96 with a hematologic malignancy and 325 with solid tumors.
After adjustment for age, gender, and number of comorbidities, the odds ratios for acute VTE and sepsis for patients with cancer (versus those without cancer) were 1.77 and 1.34, respectively. The adjusted odds ratio for mortality in cancer patients was 1.02.
The results remained “relatively consistent” after stratification by solid and nonsolid cancer types, with no significant difference in outcomes between those two groups, and results remained consistent in a propensity-matched model, according to Naomi Alpert, a biostatistician at Icahn School of Medicine at Mount Sinai, New York.
Ms. Alpert reported these findings at the AACR virtual meeting: COVID-19 and Cancer.
She noted that the cancer patients were older than the noncancer patients (mean age, 69.2 years vs. 63.8 years), and cancer patients were more likely to have two or more comorbid conditions (48.2% vs. 30.4%). Cancer patients also had significantly lower hemoglobin levels and red blood cell, platelet, and white blood cell counts (P < .01 for all).
“Low white blood cell count may be one of the reasons for higher risk of sepsis in cancer patients, as it may lead to a higher risk of infection,” Ms. Alpert said. “However, it’s not clear what role cancer therapies play in the risks of COVID-19 morbidity and mortality, so there is still quite a bit to learn.”
In fact, the findings are limited by a lack of information about cancer treatment, as the registry was not designed for that purpose, she noted.
Another study limitation is the short follow-up of a month or less in most patients, due, in part, to the novelty of COVID-19, but also to the lack of information on patients after they left the hospital.
“However, we had a very large sample size, with more than 400 cancer patients included, and, to our knowledge, this is the largest analysis of its kind to be done so far,” Ms. Alpert said. “In the future, it’s going to be very important to assess the effect of cancer therapies on COVID-19 complications and to see if prior therapies had any effect on outcomes.”
Longer follow-up would also be helpful for assessing the chronic effects of COVID-19 on cancer patients over time, she said. “It would be important to see whether some of these elevated risks of venous thromboembolism and sepsis are associated with longer-term mortality risks than what we were able to measure here,” she added.
Asked about the discrepancy between mortality in this study and those of larger registries, such as the COVID-19 and Cancer Consortium (CCC19) and TERAVOLT, Ms. Alpert noted that the current study included only patients who required hospitalization or emergency care.
“Our mortality rate was actually a bit higher than what was reported in some of the other studies,” she said. “We had about a 30% mortality rate in the cancer patients and about 25% for the noncancer patients, so ... we’re sort of looking at a subset of patients who we know are the sickest of the sick, which may explain some of the higher mortality that we’re seeing.”
Ms. Alpert reported having no disclosures.
SOURCE: Alpert N et al. AACR COVID-19 and Cancer, Abstract S12-02.
, according to data from a registry study.
Researchers analyzed data on 5,556 patients with COVID-19 who had an inpatient or emergency encounter at Mount Sinai Health System (MSHS) in New York between March 1 and May 27, 2020. Patients were included in an anonymous MSHS COVID-19 registry.
There were 421 patients who had cancer: 96 with a hematologic malignancy and 325 with solid tumors.
After adjustment for age, gender, and number of comorbidities, the odds ratios for acute VTE and sepsis for patients with cancer (versus those without cancer) were 1.77 and 1.34, respectively. The adjusted odds ratio for mortality in cancer patients was 1.02.
The results remained “relatively consistent” after stratification by solid and nonsolid cancer types, with no significant difference in outcomes between those two groups, and results remained consistent in a propensity-matched model, according to Naomi Alpert, a biostatistician at Icahn School of Medicine at Mount Sinai, New York.
Ms. Alpert reported these findings at the AACR virtual meeting: COVID-19 and Cancer.
She noted that the cancer patients were older than the noncancer patients (mean age, 69.2 years vs. 63.8 years), and cancer patients were more likely to have two or more comorbid conditions (48.2% vs. 30.4%). Cancer patients also had significantly lower hemoglobin levels and red blood cell, platelet, and white blood cell counts (P < .01 for all).
“Low white blood cell count may be one of the reasons for higher risk of sepsis in cancer patients, as it may lead to a higher risk of infection,” Ms. Alpert said. “However, it’s not clear what role cancer therapies play in the risks of COVID-19 morbidity and mortality, so there is still quite a bit to learn.”
In fact, the findings are limited by a lack of information about cancer treatment, as the registry was not designed for that purpose, she noted.
Another study limitation is the short follow-up of a month or less in most patients, due, in part, to the novelty of COVID-19, but also to the lack of information on patients after they left the hospital.
“However, we had a very large sample size, with more than 400 cancer patients included, and, to our knowledge, this is the largest analysis of its kind to be done so far,” Ms. Alpert said. “In the future, it’s going to be very important to assess the effect of cancer therapies on COVID-19 complications and to see if prior therapies had any effect on outcomes.”
Longer follow-up would also be helpful for assessing the chronic effects of COVID-19 on cancer patients over time, she said. “It would be important to see whether some of these elevated risks of venous thromboembolism and sepsis are associated with longer-term mortality risks than what we were able to measure here,” she added.
Asked about the discrepancy between mortality in this study and those of larger registries, such as the COVID-19 and Cancer Consortium (CCC19) and TERAVOLT, Ms. Alpert noted that the current study included only patients who required hospitalization or emergency care.
“Our mortality rate was actually a bit higher than what was reported in some of the other studies,” she said. “We had about a 30% mortality rate in the cancer patients and about 25% for the noncancer patients, so ... we’re sort of looking at a subset of patients who we know are the sickest of the sick, which may explain some of the higher mortality that we’re seeing.”
Ms. Alpert reported having no disclosures.
SOURCE: Alpert N et al. AACR COVID-19 and Cancer, Abstract S12-02.
, according to data from a registry study.
Researchers analyzed data on 5,556 patients with COVID-19 who had an inpatient or emergency encounter at Mount Sinai Health System (MSHS) in New York between March 1 and May 27, 2020. Patients were included in an anonymous MSHS COVID-19 registry.
There were 421 patients who had cancer: 96 with a hematologic malignancy and 325 with solid tumors.
After adjustment for age, gender, and number of comorbidities, the odds ratios for acute VTE and sepsis for patients with cancer (versus those without cancer) were 1.77 and 1.34, respectively. The adjusted odds ratio for mortality in cancer patients was 1.02.
The results remained “relatively consistent” after stratification by solid and nonsolid cancer types, with no significant difference in outcomes between those two groups, and results remained consistent in a propensity-matched model, according to Naomi Alpert, a biostatistician at Icahn School of Medicine at Mount Sinai, New York.
Ms. Alpert reported these findings at the AACR virtual meeting: COVID-19 and Cancer.
She noted that the cancer patients were older than the noncancer patients (mean age, 69.2 years vs. 63.8 years), and cancer patients were more likely to have two or more comorbid conditions (48.2% vs. 30.4%). Cancer patients also had significantly lower hemoglobin levels and red blood cell, platelet, and white blood cell counts (P < .01 for all).
“Low white blood cell count may be one of the reasons for higher risk of sepsis in cancer patients, as it may lead to a higher risk of infection,” Ms. Alpert said. “However, it’s not clear what role cancer therapies play in the risks of COVID-19 morbidity and mortality, so there is still quite a bit to learn.”
In fact, the findings are limited by a lack of information about cancer treatment, as the registry was not designed for that purpose, she noted.
Another study limitation is the short follow-up of a month or less in most patients, due, in part, to the novelty of COVID-19, but also to the lack of information on patients after they left the hospital.
“However, we had a very large sample size, with more than 400 cancer patients included, and, to our knowledge, this is the largest analysis of its kind to be done so far,” Ms. Alpert said. “In the future, it’s going to be very important to assess the effect of cancer therapies on COVID-19 complications and to see if prior therapies had any effect on outcomes.”
Longer follow-up would also be helpful for assessing the chronic effects of COVID-19 on cancer patients over time, she said. “It would be important to see whether some of these elevated risks of venous thromboembolism and sepsis are associated with longer-term mortality risks than what we were able to measure here,” she added.
Asked about the discrepancy between mortality in this study and those of larger registries, such as the COVID-19 and Cancer Consortium (CCC19) and TERAVOLT, Ms. Alpert noted that the current study included only patients who required hospitalization or emergency care.
“Our mortality rate was actually a bit higher than what was reported in some of the other studies,” she said. “We had about a 30% mortality rate in the cancer patients and about 25% for the noncancer patients, so ... we’re sort of looking at a subset of patients who we know are the sickest of the sick, which may explain some of the higher mortality that we’re seeing.”
Ms. Alpert reported having no disclosures.
SOURCE: Alpert N et al. AACR COVID-19 and Cancer, Abstract S12-02.
FROM AACR: COVID-19 AND CANCER
First guideline on NGS testing in cancer, from ESMO
Recommendations on the use of next-generation sequencing (NGS) tests for patients with metastatic cancer have been issued by the European Society for Medical Oncology, the first recommendations of their kind to be published by any medical society.
“Until now, there were no recommendations from scientific societies on how to use this technique in daily clinical practice to profile metastatic cancers,” Fernanda Mosele, MD, medical oncologist, Gustave Roussy, Villejuif, France, said in a statement.
NGS testing is already used extensively in oncology, particularly in metastatic cancer, she noted. The technology is used to assess the sequence of DNA in genes from a tumor tissue sample. Numerous genes can be quickly sequenced at the same time at relatively low cost. The results provide information on mutations that are present, which, in turn, helps with deciding which treatments to use, including drugs targeting the identified mutations.
“Our intent is that they [the guidelines] will unify decision-making about how NGS should be used for patients with metastatic cancer,” Dr. Mosele said.
The recommendations were published online August 25 in Annals of Oncology.
Overall, ESMO recommends the use of tumor multigene NGS for non–small cell lung cancer (NSCLC), prostate cancer, ovarian cancer, and cholangiocarcinoma.
For other cancers, the authors said that NGS is not recommended in clinical practice but could be used for research purposes.
However, patients should be informed that it is unlikely that test results would benefit them much personally.
Physicians and patients may decide together to subject the tumor to mutational testing using a large panel of genes, provided testing doesn’t burden the health care system with additional costs.
“This recommendation acknowledges that a small number of patients could benefit from a drug because they have a rare mutation,” Joaquin Mateo, MD, chair of the ESMO working group, said in a statement.
“So beyond the cancers in which everyone should receive NGS, there is room for physicians and patients to discuss the pros and cons of ordering these tests,” he added.
ESMO also does not recommend the use of off-label drugs matched to any genomic alteration detected by NGS unless an access program and a decisional procedure have been developed, either regionally or nationally.
No need for NGS testing of other cancers
In contrast to NSCLC, “there is currently no need to perform tumor multigene NGS for patients with mBC [metastatic breast cancer] in the context of daily practice,” ESMO stated.
This is largely because somatic sequencing cannot fully substitute for germline testing for BRCA status, and other mutations, such as HER2, can be detected using immunohistochemistry (IHC).
The same can be said for patients with metastatic gastric cancer, inasmuch as detection of alterations can and should be done using cheaper testing methods, ESMO pointed out.
However, ESMO members still emphasized that it’s important to include patients with metastatic breast cancer in molecular screening programs as well as in clinical trials testing targeted agents.
Similarly, there is no need to test metastatic colorectal cancer (mCRC) using multigene NGS in daily practice, inasmuch as most level 1 alterations in mCRC can be determined by IHC or PCR.
However, NGS can be considered as an alternative to PCR-based tests in mCRC, provided NGS is not associated with additional cost.
ESMO again recommended that research centers include mCRC patients in molecular screening programs in order for them to have access to innovative clinical trial agents.
As for advanced prostate cancer, ESMO does recommend that clinicians perform NGS on tissue samples to assess the tumor’s mutational status, at least for the presence of BRCA1 and BRCA2 mutations, when patients have access to the poly (ADP-ribose) polymerase inhibitors for treatment.
The authors cautioned, however, that this strategy is unlikely to be cost-effective, so larger panels should be used only when there are specific agreements with payers.
Multigene NGS is also not recommended for patients with advanced pancreatic ductal adenocarcinoma (PDAC), although ESMO points out that it is the role of research centers to propose multigene sequencing for these patients in the context of molecular screening programs.
This is again to facilitate access to innovative drugs for these patients.
Similar to recommendations for patients with advanced PDAC, patients with advanced hepatocellular carcinoma (HCC) do not need to have tumor multigene NGS either.
Considering the high unmet needs of HCC patients, ESMO feels that research centers should propose multigene sequencing to patients with advanced HCC in the context of molecular screening programs.
In contrast, ESMO recommended that tumor multigene NGS be used to detect actionable alterations in patients with advanced cholangiocarcinoma.
Again, they predict that this strategy is unlikely to be cost-effective, so larger panels should only be used if a specific agreement is in place with payers.
ESMO also assessed the frequency of level 1 alterations in less frequent tumor types, including ovarian cancers. Because BRCA1 and BRCA2 somatic mutations in ovarian tumors have been associated with increased response to the PARP inhibitors, the use of multigene NGS is justified with this malignancy, ESMO states.
The authors also recommend that tumor mutational burden be determined in cervical cancer, moderately differentiated neuroendocrine tumors, salivary cancers, vulvar cancer, and thyroid cancers.
Dr. Mosele has disclosed no relevant financial relationships. Many coauthors have relationships with the pharmaceutical industry, as listed in the article.
This article first appeared on Medscape.com.
Recommendations on the use of next-generation sequencing (NGS) tests for patients with metastatic cancer have been issued by the European Society for Medical Oncology, the first recommendations of their kind to be published by any medical society.
“Until now, there were no recommendations from scientific societies on how to use this technique in daily clinical practice to profile metastatic cancers,” Fernanda Mosele, MD, medical oncologist, Gustave Roussy, Villejuif, France, said in a statement.
NGS testing is already used extensively in oncology, particularly in metastatic cancer, she noted. The technology is used to assess the sequence of DNA in genes from a tumor tissue sample. Numerous genes can be quickly sequenced at the same time at relatively low cost. The results provide information on mutations that are present, which, in turn, helps with deciding which treatments to use, including drugs targeting the identified mutations.
“Our intent is that they [the guidelines] will unify decision-making about how NGS should be used for patients with metastatic cancer,” Dr. Mosele said.
The recommendations were published online August 25 in Annals of Oncology.
Overall, ESMO recommends the use of tumor multigene NGS for non–small cell lung cancer (NSCLC), prostate cancer, ovarian cancer, and cholangiocarcinoma.
For other cancers, the authors said that NGS is not recommended in clinical practice but could be used for research purposes.
However, patients should be informed that it is unlikely that test results would benefit them much personally.
Physicians and patients may decide together to subject the tumor to mutational testing using a large panel of genes, provided testing doesn’t burden the health care system with additional costs.
“This recommendation acknowledges that a small number of patients could benefit from a drug because they have a rare mutation,” Joaquin Mateo, MD, chair of the ESMO working group, said in a statement.
“So beyond the cancers in which everyone should receive NGS, there is room for physicians and patients to discuss the pros and cons of ordering these tests,” he added.
ESMO also does not recommend the use of off-label drugs matched to any genomic alteration detected by NGS unless an access program and a decisional procedure have been developed, either regionally or nationally.
No need for NGS testing of other cancers
In contrast to NSCLC, “there is currently no need to perform tumor multigene NGS for patients with mBC [metastatic breast cancer] in the context of daily practice,” ESMO stated.
This is largely because somatic sequencing cannot fully substitute for germline testing for BRCA status, and other mutations, such as HER2, can be detected using immunohistochemistry (IHC).
The same can be said for patients with metastatic gastric cancer, inasmuch as detection of alterations can and should be done using cheaper testing methods, ESMO pointed out.
However, ESMO members still emphasized that it’s important to include patients with metastatic breast cancer in molecular screening programs as well as in clinical trials testing targeted agents.
Similarly, there is no need to test metastatic colorectal cancer (mCRC) using multigene NGS in daily practice, inasmuch as most level 1 alterations in mCRC can be determined by IHC or PCR.
However, NGS can be considered as an alternative to PCR-based tests in mCRC, provided NGS is not associated with additional cost.
ESMO again recommended that research centers include mCRC patients in molecular screening programs in order for them to have access to innovative clinical trial agents.
As for advanced prostate cancer, ESMO does recommend that clinicians perform NGS on tissue samples to assess the tumor’s mutational status, at least for the presence of BRCA1 and BRCA2 mutations, when patients have access to the poly (ADP-ribose) polymerase inhibitors for treatment.
The authors cautioned, however, that this strategy is unlikely to be cost-effective, so larger panels should be used only when there are specific agreements with payers.
Multigene NGS is also not recommended for patients with advanced pancreatic ductal adenocarcinoma (PDAC), although ESMO points out that it is the role of research centers to propose multigene sequencing for these patients in the context of molecular screening programs.
This is again to facilitate access to innovative drugs for these patients.
Similar to recommendations for patients with advanced PDAC, patients with advanced hepatocellular carcinoma (HCC) do not need to have tumor multigene NGS either.
Considering the high unmet needs of HCC patients, ESMO feels that research centers should propose multigene sequencing to patients with advanced HCC in the context of molecular screening programs.
In contrast, ESMO recommended that tumor multigene NGS be used to detect actionable alterations in patients with advanced cholangiocarcinoma.
Again, they predict that this strategy is unlikely to be cost-effective, so larger panels should only be used if a specific agreement is in place with payers.
ESMO also assessed the frequency of level 1 alterations in less frequent tumor types, including ovarian cancers. Because BRCA1 and BRCA2 somatic mutations in ovarian tumors have been associated with increased response to the PARP inhibitors, the use of multigene NGS is justified with this malignancy, ESMO states.
The authors also recommend that tumor mutational burden be determined in cervical cancer, moderately differentiated neuroendocrine tumors, salivary cancers, vulvar cancer, and thyroid cancers.
Dr. Mosele has disclosed no relevant financial relationships. Many coauthors have relationships with the pharmaceutical industry, as listed in the article.
This article first appeared on Medscape.com.
Recommendations on the use of next-generation sequencing (NGS) tests for patients with metastatic cancer have been issued by the European Society for Medical Oncology, the first recommendations of their kind to be published by any medical society.
“Until now, there were no recommendations from scientific societies on how to use this technique in daily clinical practice to profile metastatic cancers,” Fernanda Mosele, MD, medical oncologist, Gustave Roussy, Villejuif, France, said in a statement.
NGS testing is already used extensively in oncology, particularly in metastatic cancer, she noted. The technology is used to assess the sequence of DNA in genes from a tumor tissue sample. Numerous genes can be quickly sequenced at the same time at relatively low cost. The results provide information on mutations that are present, which, in turn, helps with deciding which treatments to use, including drugs targeting the identified mutations.
“Our intent is that they [the guidelines] will unify decision-making about how NGS should be used for patients with metastatic cancer,” Dr. Mosele said.
The recommendations were published online August 25 in Annals of Oncology.
Overall, ESMO recommends the use of tumor multigene NGS for non–small cell lung cancer (NSCLC), prostate cancer, ovarian cancer, and cholangiocarcinoma.
For other cancers, the authors said that NGS is not recommended in clinical practice but could be used for research purposes.
However, patients should be informed that it is unlikely that test results would benefit them much personally.
Physicians and patients may decide together to subject the tumor to mutational testing using a large panel of genes, provided testing doesn’t burden the health care system with additional costs.
“This recommendation acknowledges that a small number of patients could benefit from a drug because they have a rare mutation,” Joaquin Mateo, MD, chair of the ESMO working group, said in a statement.
“So beyond the cancers in which everyone should receive NGS, there is room for physicians and patients to discuss the pros and cons of ordering these tests,” he added.
ESMO also does not recommend the use of off-label drugs matched to any genomic alteration detected by NGS unless an access program and a decisional procedure have been developed, either regionally or nationally.
No need for NGS testing of other cancers
In contrast to NSCLC, “there is currently no need to perform tumor multigene NGS for patients with mBC [metastatic breast cancer] in the context of daily practice,” ESMO stated.
This is largely because somatic sequencing cannot fully substitute for germline testing for BRCA status, and other mutations, such as HER2, can be detected using immunohistochemistry (IHC).
The same can be said for patients with metastatic gastric cancer, inasmuch as detection of alterations can and should be done using cheaper testing methods, ESMO pointed out.
However, ESMO members still emphasized that it’s important to include patients with metastatic breast cancer in molecular screening programs as well as in clinical trials testing targeted agents.
Similarly, there is no need to test metastatic colorectal cancer (mCRC) using multigene NGS in daily practice, inasmuch as most level 1 alterations in mCRC can be determined by IHC or PCR.
However, NGS can be considered as an alternative to PCR-based tests in mCRC, provided NGS is not associated with additional cost.
ESMO again recommended that research centers include mCRC patients in molecular screening programs in order for them to have access to innovative clinical trial agents.
As for advanced prostate cancer, ESMO does recommend that clinicians perform NGS on tissue samples to assess the tumor’s mutational status, at least for the presence of BRCA1 and BRCA2 mutations, when patients have access to the poly (ADP-ribose) polymerase inhibitors for treatment.
The authors cautioned, however, that this strategy is unlikely to be cost-effective, so larger panels should be used only when there are specific agreements with payers.
Multigene NGS is also not recommended for patients with advanced pancreatic ductal adenocarcinoma (PDAC), although ESMO points out that it is the role of research centers to propose multigene sequencing for these patients in the context of molecular screening programs.
This is again to facilitate access to innovative drugs for these patients.
Similar to recommendations for patients with advanced PDAC, patients with advanced hepatocellular carcinoma (HCC) do not need to have tumor multigene NGS either.
Considering the high unmet needs of HCC patients, ESMO feels that research centers should propose multigene sequencing to patients with advanced HCC in the context of molecular screening programs.
In contrast, ESMO recommended that tumor multigene NGS be used to detect actionable alterations in patients with advanced cholangiocarcinoma.
Again, they predict that this strategy is unlikely to be cost-effective, so larger panels should only be used if a specific agreement is in place with payers.
ESMO also assessed the frequency of level 1 alterations in less frequent tumor types, including ovarian cancers. Because BRCA1 and BRCA2 somatic mutations in ovarian tumors have been associated with increased response to the PARP inhibitors, the use of multigene NGS is justified with this malignancy, ESMO states.
The authors also recommend that tumor mutational burden be determined in cervical cancer, moderately differentiated neuroendocrine tumors, salivary cancers, vulvar cancer, and thyroid cancers.
Dr. Mosele has disclosed no relevant financial relationships. Many coauthors have relationships with the pharmaceutical industry, as listed in the article.
This article first appeared on Medscape.com.
Immunotherapy should not be withheld because of sex, age, or PS
The improvement in survival in many cancer types that is seen with immune checkpoint inhibitors (ICIs), when compared to control therapies, is not affected by the patient’s sex, age, or Eastern Cooperative Oncology Group (ECOG) performance status (PS), according to a new meta-analysis.
Therefore, treatment with these immunotherapies should not be withheld on the basis of these factors, the authors concluded.
Asked whether there have been such instances of withholding ICIs, lead author Yucai Wang, MD, PhD, Mayo Clinic, Rochester, Minnesota, told Medscape Medical News: “We did this study solely based on scientific questions we had and not because we were seeing any bias at the moment in the use of ICIs.
“And we saw that the survival benefits were very similar across all of the categories [we analyzed], with a survival benefit of about 20% from immunotherapy across the board, which is clinically meaningful,” he added.
The study was published online August 7 in JAMA Network Open.
“The comparable survival advantage between patients of different sex, age, and ECOG PS may encourage more patients to receive ICI treatment regardless of cancer types, lines of therapy, agents of immunotherapy, and intervention therapies,” the authors commented.
Wang noted that there have been conflicting reports in the literature suggesting that male patients may benefit more from immunotherapy than female patients and that older patients may benefit more from the same treatment than younger patients.
However, there are also suggestions in the literature that women experience a stronger immune response than men and that, with aging, the immune system generally undergoes immunosenescence.
In addition, the PS of oncology patients has been implicated in how well patients respond to immunotherapy.
Wang noted that the findings of past studies have contradicted each other.
Findings of the Meta-Analysis
The meta-analysis included 37 randomized clinical trials that involved a total of 23,760 patients with a variety of advanced cancers. “Most of the trials were phase 3 (n = 34) and conduced for subsequent lines of therapy (n = 22),” the authors explained.
The most common cancers treated with an ICI were non–small cell lung cancer and melanoma.
Pooled overall survival (OS) hazard ratios (HRs) were calculated on the basis of sex, age (younger than 65 years and 65 years and older), and an ECOG PS of 0 and 1 or higher.
Responses were stratified on the basis of cancer type, line of therapy, the ICI used, and the immunotherapy strategy used in the ICI arm.
Most of the drugs evaluated were PD-1 and PD-L1 inhibitors. The specific drugs assessed included ipilimumab, tremelimumab, nivolumab, pembrolizumab, atezolizumab, durvalumab, and avelumab.
A total of 32 trials that involved more than 20,000 patients reported HRs for death according to the patients’ sex. Thirty-four trials that involved more than 21,000 patients reported HRs for death according to patients’ age, and 30 trials that involved more than 19,000 patients reported HRs for death according to patients’ ECOG PS.
No significant differences in OS benefit were seen by cancer type, line of therapy, agent of immunotherapy, or intervention strategy, the investigators pointed out.
There were also no differences in survival benefit associated with immunotherapy vs control therapies for patients with an ECOG PS of 0 and an ECOG PS of 1 or greater. The OS benefit was 0.81 for those with an ECOG PS of 0 and 0.79 for those with an ECOG PS of 1 or greater.
Wang has disclosed no relevant financial relationships.
This article first appeared on Medscape.com .
The improvement in survival in many cancer types that is seen with immune checkpoint inhibitors (ICIs), when compared to control therapies, is not affected by the patient’s sex, age, or Eastern Cooperative Oncology Group (ECOG) performance status (PS), according to a new meta-analysis.
Therefore, treatment with these immunotherapies should not be withheld on the basis of these factors, the authors concluded.
Asked whether there have been such instances of withholding ICIs, lead author Yucai Wang, MD, PhD, Mayo Clinic, Rochester, Minnesota, told Medscape Medical News: “We did this study solely based on scientific questions we had and not because we were seeing any bias at the moment in the use of ICIs.
“And we saw that the survival benefits were very similar across all of the categories [we analyzed], with a survival benefit of about 20% from immunotherapy across the board, which is clinically meaningful,” he added.
The study was published online August 7 in JAMA Network Open.
“The comparable survival advantage between patients of different sex, age, and ECOG PS may encourage more patients to receive ICI treatment regardless of cancer types, lines of therapy, agents of immunotherapy, and intervention therapies,” the authors commented.
Wang noted that there have been conflicting reports in the literature suggesting that male patients may benefit more from immunotherapy than female patients and that older patients may benefit more from the same treatment than younger patients.
However, there are also suggestions in the literature that women experience a stronger immune response than men and that, with aging, the immune system generally undergoes immunosenescence.
In addition, the PS of oncology patients has been implicated in how well patients respond to immunotherapy.
Wang noted that the findings of past studies have contradicted each other.
Findings of the Meta-Analysis
The meta-analysis included 37 randomized clinical trials that involved a total of 23,760 patients with a variety of advanced cancers. “Most of the trials were phase 3 (n = 34) and conduced for subsequent lines of therapy (n = 22),” the authors explained.
The most common cancers treated with an ICI were non–small cell lung cancer and melanoma.
Pooled overall survival (OS) hazard ratios (HRs) were calculated on the basis of sex, age (younger than 65 years and 65 years and older), and an ECOG PS of 0 and 1 or higher.
Responses were stratified on the basis of cancer type, line of therapy, the ICI used, and the immunotherapy strategy used in the ICI arm.
Most of the drugs evaluated were PD-1 and PD-L1 inhibitors. The specific drugs assessed included ipilimumab, tremelimumab, nivolumab, pembrolizumab, atezolizumab, durvalumab, and avelumab.
A total of 32 trials that involved more than 20,000 patients reported HRs for death according to the patients’ sex. Thirty-four trials that involved more than 21,000 patients reported HRs for death according to patients’ age, and 30 trials that involved more than 19,000 patients reported HRs for death according to patients’ ECOG PS.
No significant differences in OS benefit were seen by cancer type, line of therapy, agent of immunotherapy, or intervention strategy, the investigators pointed out.
There were also no differences in survival benefit associated with immunotherapy vs control therapies for patients with an ECOG PS of 0 and an ECOG PS of 1 or greater. The OS benefit was 0.81 for those with an ECOG PS of 0 and 0.79 for those with an ECOG PS of 1 or greater.
Wang has disclosed no relevant financial relationships.
This article first appeared on Medscape.com .
The improvement in survival in many cancer types that is seen with immune checkpoint inhibitors (ICIs), when compared to control therapies, is not affected by the patient’s sex, age, or Eastern Cooperative Oncology Group (ECOG) performance status (PS), according to a new meta-analysis.
Therefore, treatment with these immunotherapies should not be withheld on the basis of these factors, the authors concluded.
Asked whether there have been such instances of withholding ICIs, lead author Yucai Wang, MD, PhD, Mayo Clinic, Rochester, Minnesota, told Medscape Medical News: “We did this study solely based on scientific questions we had and not because we were seeing any bias at the moment in the use of ICIs.
“And we saw that the survival benefits were very similar across all of the categories [we analyzed], with a survival benefit of about 20% from immunotherapy across the board, which is clinically meaningful,” he added.
The study was published online August 7 in JAMA Network Open.
“The comparable survival advantage between patients of different sex, age, and ECOG PS may encourage more patients to receive ICI treatment regardless of cancer types, lines of therapy, agents of immunotherapy, and intervention therapies,” the authors commented.
Wang noted that there have been conflicting reports in the literature suggesting that male patients may benefit more from immunotherapy than female patients and that older patients may benefit more from the same treatment than younger patients.
However, there are also suggestions in the literature that women experience a stronger immune response than men and that, with aging, the immune system generally undergoes immunosenescence.
In addition, the PS of oncology patients has been implicated in how well patients respond to immunotherapy.
Wang noted that the findings of past studies have contradicted each other.
Findings of the Meta-Analysis
The meta-analysis included 37 randomized clinical trials that involved a total of 23,760 patients with a variety of advanced cancers. “Most of the trials were phase 3 (n = 34) and conduced for subsequent lines of therapy (n = 22),” the authors explained.
The most common cancers treated with an ICI were non–small cell lung cancer and melanoma.
Pooled overall survival (OS) hazard ratios (HRs) were calculated on the basis of sex, age (younger than 65 years and 65 years and older), and an ECOG PS of 0 and 1 or higher.
Responses were stratified on the basis of cancer type, line of therapy, the ICI used, and the immunotherapy strategy used in the ICI arm.
Most of the drugs evaluated were PD-1 and PD-L1 inhibitors. The specific drugs assessed included ipilimumab, tremelimumab, nivolumab, pembrolizumab, atezolizumab, durvalumab, and avelumab.
A total of 32 trials that involved more than 20,000 patients reported HRs for death according to the patients’ sex. Thirty-four trials that involved more than 21,000 patients reported HRs for death according to patients’ age, and 30 trials that involved more than 19,000 patients reported HRs for death according to patients’ ECOG PS.
No significant differences in OS benefit were seen by cancer type, line of therapy, agent of immunotherapy, or intervention strategy, the investigators pointed out.
There were also no differences in survival benefit associated with immunotherapy vs control therapies for patients with an ECOG PS of 0 and an ECOG PS of 1 or greater. The OS benefit was 0.81 for those with an ECOG PS of 0 and 0.79 for those with an ECOG PS of 1 or greater.
Wang has disclosed no relevant financial relationships.
This article first appeared on Medscape.com .
Selpercatinib ‘poised to alter the landscape’ of RET+ cancers
Clinical data for the first-ever RET inhibitor, selpercatinib (Retevmo), show efficacy in two groups of patients with cancer – those with RET fusion–positive non–small cell lung cancer (NSCLC), and those with RET-mutant medullary thyroid cancer (MTC).
The drug showed “very good efficacy and also very good tolerability” in both groups, said lead author Lori J. Wirth, MD, medical director of head and neck cancers, Massachusetts General Hospital Cancer Center, Boston, in a statement.
“The response rates are high, responses are very durable, and overall, the drug does not cause a lot of toxicity,” she said.
“If you have a clean, RET-specific inhibitor such as selpercatinib, then you can really pound down RET very strongly and hit the driver alteration much harder, with a better side effect profile,” Dr. Wirth added.
Both groups of patients were part of the phase 1/2 LIBRETTO-001 study, which served as the basis for the recent accelerated approval of selpercatinib by the Food and Drug Administration.
Data from LIBRETTO-001 were published in the New England Journal of Medicine as two articles, one on NSCLC patients and one on MTC patients.
There has been a “remarkable increase” in the number of targeted agents that are effective in treating patients with advanced cancers that harbor specific genomic alterations, commented Razelle Kurzrock, MD, from the University of California, San Diego, in an accompanying editorial.
Selpercatinib, a potent RET inhibitor, “is now poised to alter the landscape of another genomic subgroup – RET-altered cancers,” she wrote.
Multikinase inhibitors such as vandetanib and cabozantinib have ancillary RET-inhibitor activity and are also active against RET-driven cancers. But these drugs are limited by off-target side effects, Dr. Krurzrock pointed out. “In contrast, next-generation, highly potent, and selective RET inhibitors such as selpercatinib offer the potential for improved efficacy and a more satisfactory side effect profile.”
In both parts of the study, selpercatinib produced durable responses in a majority of patients. Only about 3% of patients discontinued taking selpercatinib because of drug-related adverse events.
Taken together, these results show that selpercatinib “had marked and durable antitumor activity in most patients with RET-altered thyroid cancer or NSCLC,” wrote Dr. Krurzrock. “RET abnormalities now join other genomic alterations such as NTRK fusions, tumor mutational burden, and deficient mismatchrepair genes across cancers and ALK, BRAF, EGFR, MET, and ROS1 alterations in NSCLC that warrant molecular screening strategies.”
Results in patients with RET-mutated NSCLC
All patients enrolled in the LIBRETTO-001 trial received selpercatinib 160 mg orally twice daily until disease progression or unacceptable toxicity occurred.
Of 105 patients with NSCLC who had received at least one platinum-based chemotherapy regimen, the objective response rate was 64%. The median duration of response was 17.5 months.
At a median follow-up of 12.1 months, 63% of the responses were ongoing.
The cohort included 39 treatment-naive patients, among whom the response rate was even higher, at 85%; 90% of the responses were ongoing at 6 months. In addition, 11 patients had measurable central nervous system metastasis at study enrollment. Of this group, 91% achieved an intracranial response.
Common adverse events of grade 3 or higher included hypertension (in 14% of the patients), an increase in ALT level (in 12%), an increase in AST level (in 10%), hyponatremia (in 6%), and lymphopenia (in 6%). The drug was discontinued in 12 patients because of a drug-related adverse event.
Results in patients with RET-mutated MTC
Efficacy for MTC was evaluated in 55 patients with advanced or metastatic RET-mutant MTC who had previously been treated with cabozantinib, vandetanib, or both. The objective response rate was 69%. The 1-year progression-free survival rate was 82%.
For the 88 patients who had not previously received vandetanib or cabozantinib, the response rate was 73%. The 1-year progression-free survival rate was 92%.
In a subgroup of 19 patients with previously treated RET fusion–positive thyroid cancer, 79% responded to the therapy; 1-year progression-free survival was 64%.
The most common adverse events of grade 3 or higher were hypertension (in 21% of the patients), an increase in ALT level (in 11%), an increase in AST level (in 9%), hyponatremia (in 8%), and diarrhea (in 6%). Selpercatinib was discontinued by 12 patients because of drug-related adverse events.
The study was funded by Loxo Oncology (a wholly owned subsidiary of Eli Lilly) and by grants from the National Institutes of Health and the University of Texas MD Anderson Cancer Center. Kurzrock and Wirth report relationships with numerous pharmaceutical companies, as listed in the journal article.
This article first appeared on Medscape.com.
Clinical data for the first-ever RET inhibitor, selpercatinib (Retevmo), show efficacy in two groups of patients with cancer – those with RET fusion–positive non–small cell lung cancer (NSCLC), and those with RET-mutant medullary thyroid cancer (MTC).
The drug showed “very good efficacy and also very good tolerability” in both groups, said lead author Lori J. Wirth, MD, medical director of head and neck cancers, Massachusetts General Hospital Cancer Center, Boston, in a statement.
“The response rates are high, responses are very durable, and overall, the drug does not cause a lot of toxicity,” she said.
“If you have a clean, RET-specific inhibitor such as selpercatinib, then you can really pound down RET very strongly and hit the driver alteration much harder, with a better side effect profile,” Dr. Wirth added.
Both groups of patients were part of the phase 1/2 LIBRETTO-001 study, which served as the basis for the recent accelerated approval of selpercatinib by the Food and Drug Administration.
Data from LIBRETTO-001 were published in the New England Journal of Medicine as two articles, one on NSCLC patients and one on MTC patients.
There has been a “remarkable increase” in the number of targeted agents that are effective in treating patients with advanced cancers that harbor specific genomic alterations, commented Razelle Kurzrock, MD, from the University of California, San Diego, in an accompanying editorial.
Selpercatinib, a potent RET inhibitor, “is now poised to alter the landscape of another genomic subgroup – RET-altered cancers,” she wrote.
Multikinase inhibitors such as vandetanib and cabozantinib have ancillary RET-inhibitor activity and are also active against RET-driven cancers. But these drugs are limited by off-target side effects, Dr. Krurzrock pointed out. “In contrast, next-generation, highly potent, and selective RET inhibitors such as selpercatinib offer the potential for improved efficacy and a more satisfactory side effect profile.”
In both parts of the study, selpercatinib produced durable responses in a majority of patients. Only about 3% of patients discontinued taking selpercatinib because of drug-related adverse events.
Taken together, these results show that selpercatinib “had marked and durable antitumor activity in most patients with RET-altered thyroid cancer or NSCLC,” wrote Dr. Krurzrock. “RET abnormalities now join other genomic alterations such as NTRK fusions, tumor mutational burden, and deficient mismatchrepair genes across cancers and ALK, BRAF, EGFR, MET, and ROS1 alterations in NSCLC that warrant molecular screening strategies.”
Results in patients with RET-mutated NSCLC
All patients enrolled in the LIBRETTO-001 trial received selpercatinib 160 mg orally twice daily until disease progression or unacceptable toxicity occurred.
Of 105 patients with NSCLC who had received at least one platinum-based chemotherapy regimen, the objective response rate was 64%. The median duration of response was 17.5 months.
At a median follow-up of 12.1 months, 63% of the responses were ongoing.
The cohort included 39 treatment-naive patients, among whom the response rate was even higher, at 85%; 90% of the responses were ongoing at 6 months. In addition, 11 patients had measurable central nervous system metastasis at study enrollment. Of this group, 91% achieved an intracranial response.
Common adverse events of grade 3 or higher included hypertension (in 14% of the patients), an increase in ALT level (in 12%), an increase in AST level (in 10%), hyponatremia (in 6%), and lymphopenia (in 6%). The drug was discontinued in 12 patients because of a drug-related adverse event.
Results in patients with RET-mutated MTC
Efficacy for MTC was evaluated in 55 patients with advanced or metastatic RET-mutant MTC who had previously been treated with cabozantinib, vandetanib, or both. The objective response rate was 69%. The 1-year progression-free survival rate was 82%.
For the 88 patients who had not previously received vandetanib or cabozantinib, the response rate was 73%. The 1-year progression-free survival rate was 92%.
In a subgroup of 19 patients with previously treated RET fusion–positive thyroid cancer, 79% responded to the therapy; 1-year progression-free survival was 64%.
The most common adverse events of grade 3 or higher were hypertension (in 21% of the patients), an increase in ALT level (in 11%), an increase in AST level (in 9%), hyponatremia (in 8%), and diarrhea (in 6%). Selpercatinib was discontinued by 12 patients because of drug-related adverse events.
The study was funded by Loxo Oncology (a wholly owned subsidiary of Eli Lilly) and by grants from the National Institutes of Health and the University of Texas MD Anderson Cancer Center. Kurzrock and Wirth report relationships with numerous pharmaceutical companies, as listed in the journal article.
This article first appeared on Medscape.com.
Clinical data for the first-ever RET inhibitor, selpercatinib (Retevmo), show efficacy in two groups of patients with cancer – those with RET fusion–positive non–small cell lung cancer (NSCLC), and those with RET-mutant medullary thyroid cancer (MTC).
The drug showed “very good efficacy and also very good tolerability” in both groups, said lead author Lori J. Wirth, MD, medical director of head and neck cancers, Massachusetts General Hospital Cancer Center, Boston, in a statement.
“The response rates are high, responses are very durable, and overall, the drug does not cause a lot of toxicity,” she said.
“If you have a clean, RET-specific inhibitor such as selpercatinib, then you can really pound down RET very strongly and hit the driver alteration much harder, with a better side effect profile,” Dr. Wirth added.
Both groups of patients were part of the phase 1/2 LIBRETTO-001 study, which served as the basis for the recent accelerated approval of selpercatinib by the Food and Drug Administration.
Data from LIBRETTO-001 were published in the New England Journal of Medicine as two articles, one on NSCLC patients and one on MTC patients.
There has been a “remarkable increase” in the number of targeted agents that are effective in treating patients with advanced cancers that harbor specific genomic alterations, commented Razelle Kurzrock, MD, from the University of California, San Diego, in an accompanying editorial.
Selpercatinib, a potent RET inhibitor, “is now poised to alter the landscape of another genomic subgroup – RET-altered cancers,” she wrote.
Multikinase inhibitors such as vandetanib and cabozantinib have ancillary RET-inhibitor activity and are also active against RET-driven cancers. But these drugs are limited by off-target side effects, Dr. Krurzrock pointed out. “In contrast, next-generation, highly potent, and selective RET inhibitors such as selpercatinib offer the potential for improved efficacy and a more satisfactory side effect profile.”
In both parts of the study, selpercatinib produced durable responses in a majority of patients. Only about 3% of patients discontinued taking selpercatinib because of drug-related adverse events.
Taken together, these results show that selpercatinib “had marked and durable antitumor activity in most patients with RET-altered thyroid cancer or NSCLC,” wrote Dr. Krurzrock. “RET abnormalities now join other genomic alterations such as NTRK fusions, tumor mutational burden, and deficient mismatchrepair genes across cancers and ALK, BRAF, EGFR, MET, and ROS1 alterations in NSCLC that warrant molecular screening strategies.”
Results in patients with RET-mutated NSCLC
All patients enrolled in the LIBRETTO-001 trial received selpercatinib 160 mg orally twice daily until disease progression or unacceptable toxicity occurred.
Of 105 patients with NSCLC who had received at least one platinum-based chemotherapy regimen, the objective response rate was 64%. The median duration of response was 17.5 months.
At a median follow-up of 12.1 months, 63% of the responses were ongoing.
The cohort included 39 treatment-naive patients, among whom the response rate was even higher, at 85%; 90% of the responses were ongoing at 6 months. In addition, 11 patients had measurable central nervous system metastasis at study enrollment. Of this group, 91% achieved an intracranial response.
Common adverse events of grade 3 or higher included hypertension (in 14% of the patients), an increase in ALT level (in 12%), an increase in AST level (in 10%), hyponatremia (in 6%), and lymphopenia (in 6%). The drug was discontinued in 12 patients because of a drug-related adverse event.
Results in patients with RET-mutated MTC
Efficacy for MTC was evaluated in 55 patients with advanced or metastatic RET-mutant MTC who had previously been treated with cabozantinib, vandetanib, or both. The objective response rate was 69%. The 1-year progression-free survival rate was 82%.
For the 88 patients who had not previously received vandetanib or cabozantinib, the response rate was 73%. The 1-year progression-free survival rate was 92%.
In a subgroup of 19 patients with previously treated RET fusion–positive thyroid cancer, 79% responded to the therapy; 1-year progression-free survival was 64%.
The most common adverse events of grade 3 or higher were hypertension (in 21% of the patients), an increase in ALT level (in 11%), an increase in AST level (in 9%), hyponatremia (in 8%), and diarrhea (in 6%). Selpercatinib was discontinued by 12 patients because of drug-related adverse events.
The study was funded by Loxo Oncology (a wholly owned subsidiary of Eli Lilly) and by grants from the National Institutes of Health and the University of Texas MD Anderson Cancer Center. Kurzrock and Wirth report relationships with numerous pharmaceutical companies, as listed in the journal article.
This article first appeared on Medscape.com.
Aspirin may accelerate cancer progression in older adults
Aspirin may accelerate the progression of advanced cancers and lead to an earlier death as a result, new data from the ASPREE study suggest.
The results showed that patients 65 years and older who started taking daily low-dose aspirin had a 19% higher chance of being diagnosed with metastatic cancer, a 22% higher chance of being diagnosed with a stage 4 tumor, and a 31% increased risk of death from stage 4 cancer, when compared with patients who took a placebo.
John J. McNeil, MBBS, PhD, of Monash University in Melbourne, Australia, and colleagues detailed these findings in the Journal of the National Cancer Institute.
“If confirmed, the clinical implications of these findings could be important for the use of aspirin in an older population,” the authors wrote.
When results of the ASPREE study were first reported in 2018, they “raised important concerns,” Ernest Hawk, MD, and Karen Colbert Maresso wrote in an editorial related to the current publication.
“Unlike ARRIVE, ASCEND, and nearly all prior primary prevention CVD [cardiovascular disease] trials of aspirin, ASPREE surprisingly demonstrated increased all-cause mortality in the aspirin group, which appeared to be driven largely by an increase in cancer-related deaths,” wrote the editorialists, who are both from the University of Texas MD Anderson Cancer Center in Houston.
Even though the ASPREE investigators have now taken a deeper dive into their data, the findings “neither explain nor alleviate the concerns raised by the initial ASPREE report,” the editorialists noted.
ASPREE design and results
ASPREE is a multicenter, double-blind trial of 19,114 older adults living in Australia (n = 16,703) or the United States (n = 2,411). Most patients were 70 years or older at baseline. However, the U.S. group also included patients 65 years and older who were racial/ethnic minorities (n = 564).
Patients were randomized to receive 100 mg of enteric-coated aspirin daily (n = 9,525) or matching placebo (n = 9,589) from March 2010 through December 2014.
At inclusion, all participants were free from cardiovascular disease, dementia, or physical disability. A previous history of cancer was not used to exclude participants, and 19.1% of patients had cancer at randomization. Most patients (89%) had not used aspirin regularly before entering the trial.
At a median follow-up of 4.7 years, there were 981 incident cancer events in the aspirin-treated group and 952 in the placebo-treated group, with an overall incident cancer rate of 10.1%.
Of the 1,933 patients with newly diagnosed cancer, 65.7% had a localized cancer, 18.8% had a new metastatic cancer, 5.8% had metastatic disease from an existing cancer, and 9.7% had a new hematologic or lymphatic cancer.
A quarter of cancer patients (n = 495) died as a result of their malignancy, with 52 dying from a cancer they already had at randomization.
Aspirin was not associated with the risk of first incident cancer diagnosis or incident localized cancer diagnosis. The hazard ratios were 1.04 for all incident cancers (95% confidence interval, 0.95-1.14) and 0.99 for incident localized cancers (95% CI, 0.89-1.11).
However, aspirin was associated with an increased risk of metastatic cancer and cancer presenting at stage 4. The HR for metastatic cancer was 1.19 (95% CI, 1.00-1.43), and the HR for newly diagnosed stage 4 cancer was 1.22 (95% CI, 1.02-1.45).
Furthermore, “an increased progression to death was observed amongst those randomized to aspirin, regardless of whether the initial cancer presentation had been localized or metastatic,” the investigators wrote.
The HRs for death were 1.35 for all cancers (95% CI, 1.13-1.61), 1.47 for localized cancers (95% CI, 1.07-2.02), and 1.30 for metastatic cancers (95% CI, 1.03-1.63).
“Deaths were particularly high among those on aspirin who were diagnosed with advanced solid cancers,” study author Andrew Chan, MD, of Massachusetts General Hospital in Boston, said in a press statement.
Indeed, HRs for death in patients with solid tumors presenting at stage 3 and 4 were a respective 2.11 (95% CI, 1.03-4.33) and 1.31 (95% CI, 1.04-1.64). This suggests a possible adverse effect of aspirin on the growth of cancers once they have already developed in older adults, Dr. Chan said.
Where does that leave aspirin for cancer prevention?
“Although these results suggest that we should be cautious about starting aspirin therapy in otherwise healthy older adults, this does not mean that individuals who are already taking aspirin – particularly if they began taking it at a younger age – should stop their aspirin regimen,” Dr. Chan said.
There are decades of data supporting the use of daily aspirin to prevent multiple cancer types, particularly colorectal cancer, in individuals under the age of 70 years. In a recent meta-analysis, for example, regular aspirin use was linked to a 27% reduced risk for colorectal cancer, a 33% reduced risk for squamous cell esophageal cancer, a 39% decreased risk for adenocarcinoma of the esophagus and gastric cardia, a 36% decreased risk for stomach cancer, a 38% decreased risk for hepatobiliary tract cancer, and a 22% decreased risk for pancreatic cancer.
While these figures are mostly based on observational and case-control studies, it “reaffirms the fact that, overall, when you look at all of the ages, that there is still a benefit of aspirin for cancer,” John Cuzick, PhD, of Queen Mary University of London (England), said in an interview.
In fact, the meta-analysis goes as far as suggesting that perhaps the dose of aspirin being used is too low, with the authors noting that there was a 35% risk reduction in colorectal cancer with a dose of 325 mg daily. That’s a new finding, Dr. Cuzick said.
He noted that the ASPREE study largely consists of patients 70 years of age or older, and the authors “draw some conclusions which we can’t ignore about potential safety.”
One of the safety concerns is the increased risk for gastrointestinal bleeding, which is why Dr. Cuzick and colleagues previously recommended caution in the use of aspirin to prevent cancer in elderly patients. The group published a study in 2015 that suggested a benefit of taking aspirin daily for 5-10 years in patients aged 50-65 years, but the risk/benefit ratio was unclear for patients 70 years and older.
The ASPREE data now add to those uncertainties and suggest “there may be some side effects that we do not understand,” Dr. Cuzick said.
“I’m still optimistic that aspirin is going to be important for cancer prevention, but probably focusing on ages 50-70,” he added. “[The ASPREE data] reinforce the caution that we have to take in terms of trying to understand what the side effects are and what’s going on at these older ages.”
Dr. Cuzick is currently leading the AsCaP Project, an international effort to better understand why aspirin might work in preventing some cancer types but not others. AsCaP is supported by Cancer Research UK and also includes Dr. Chan among the researchers attempting to find out which patients may benefit the most from aspirin and which may be at greater risk of adverse effects.
The ASPREE trial was funded by grants from the National Institute on Aging, the National Cancer Institute, the National Health and Medical Research Council of Australia, Monash University, and the Victorian Cancer Agency. Several ASPREE investigators disclosed financial relationships with Bayer Pharma. The editorialists had no conflicts of interest. Dr. Cuzick has been an advisory board member for Bayer in the past.
SOURCE: McNeil J et al. J Natl Cancer Inst. 2020 Aug 11. doi: 10.1093/jnci/djaa114.
Aspirin may accelerate the progression of advanced cancers and lead to an earlier death as a result, new data from the ASPREE study suggest.
The results showed that patients 65 years and older who started taking daily low-dose aspirin had a 19% higher chance of being diagnosed with metastatic cancer, a 22% higher chance of being diagnosed with a stage 4 tumor, and a 31% increased risk of death from stage 4 cancer, when compared with patients who took a placebo.
John J. McNeil, MBBS, PhD, of Monash University in Melbourne, Australia, and colleagues detailed these findings in the Journal of the National Cancer Institute.
“If confirmed, the clinical implications of these findings could be important for the use of aspirin in an older population,” the authors wrote.
When results of the ASPREE study were first reported in 2018, they “raised important concerns,” Ernest Hawk, MD, and Karen Colbert Maresso wrote in an editorial related to the current publication.
“Unlike ARRIVE, ASCEND, and nearly all prior primary prevention CVD [cardiovascular disease] trials of aspirin, ASPREE surprisingly demonstrated increased all-cause mortality in the aspirin group, which appeared to be driven largely by an increase in cancer-related deaths,” wrote the editorialists, who are both from the University of Texas MD Anderson Cancer Center in Houston.
Even though the ASPREE investigators have now taken a deeper dive into their data, the findings “neither explain nor alleviate the concerns raised by the initial ASPREE report,” the editorialists noted.
ASPREE design and results
ASPREE is a multicenter, double-blind trial of 19,114 older adults living in Australia (n = 16,703) or the United States (n = 2,411). Most patients were 70 years or older at baseline. However, the U.S. group also included patients 65 years and older who were racial/ethnic minorities (n = 564).
Patients were randomized to receive 100 mg of enteric-coated aspirin daily (n = 9,525) or matching placebo (n = 9,589) from March 2010 through December 2014.
At inclusion, all participants were free from cardiovascular disease, dementia, or physical disability. A previous history of cancer was not used to exclude participants, and 19.1% of patients had cancer at randomization. Most patients (89%) had not used aspirin regularly before entering the trial.
At a median follow-up of 4.7 years, there were 981 incident cancer events in the aspirin-treated group and 952 in the placebo-treated group, with an overall incident cancer rate of 10.1%.
Of the 1,933 patients with newly diagnosed cancer, 65.7% had a localized cancer, 18.8% had a new metastatic cancer, 5.8% had metastatic disease from an existing cancer, and 9.7% had a new hematologic or lymphatic cancer.
A quarter of cancer patients (n = 495) died as a result of their malignancy, with 52 dying from a cancer they already had at randomization.
Aspirin was not associated with the risk of first incident cancer diagnosis or incident localized cancer diagnosis. The hazard ratios were 1.04 for all incident cancers (95% confidence interval, 0.95-1.14) and 0.99 for incident localized cancers (95% CI, 0.89-1.11).
However, aspirin was associated with an increased risk of metastatic cancer and cancer presenting at stage 4. The HR for metastatic cancer was 1.19 (95% CI, 1.00-1.43), and the HR for newly diagnosed stage 4 cancer was 1.22 (95% CI, 1.02-1.45).
Furthermore, “an increased progression to death was observed amongst those randomized to aspirin, regardless of whether the initial cancer presentation had been localized or metastatic,” the investigators wrote.
The HRs for death were 1.35 for all cancers (95% CI, 1.13-1.61), 1.47 for localized cancers (95% CI, 1.07-2.02), and 1.30 for metastatic cancers (95% CI, 1.03-1.63).
“Deaths were particularly high among those on aspirin who were diagnosed with advanced solid cancers,” study author Andrew Chan, MD, of Massachusetts General Hospital in Boston, said in a press statement.
Indeed, HRs for death in patients with solid tumors presenting at stage 3 and 4 were a respective 2.11 (95% CI, 1.03-4.33) and 1.31 (95% CI, 1.04-1.64). This suggests a possible adverse effect of aspirin on the growth of cancers once they have already developed in older adults, Dr. Chan said.
Where does that leave aspirin for cancer prevention?
“Although these results suggest that we should be cautious about starting aspirin therapy in otherwise healthy older adults, this does not mean that individuals who are already taking aspirin – particularly if they began taking it at a younger age – should stop their aspirin regimen,” Dr. Chan said.
There are decades of data supporting the use of daily aspirin to prevent multiple cancer types, particularly colorectal cancer, in individuals under the age of 70 years. In a recent meta-analysis, for example, regular aspirin use was linked to a 27% reduced risk for colorectal cancer, a 33% reduced risk for squamous cell esophageal cancer, a 39% decreased risk for adenocarcinoma of the esophagus and gastric cardia, a 36% decreased risk for stomach cancer, a 38% decreased risk for hepatobiliary tract cancer, and a 22% decreased risk for pancreatic cancer.
While these figures are mostly based on observational and case-control studies, it “reaffirms the fact that, overall, when you look at all of the ages, that there is still a benefit of aspirin for cancer,” John Cuzick, PhD, of Queen Mary University of London (England), said in an interview.
In fact, the meta-analysis goes as far as suggesting that perhaps the dose of aspirin being used is too low, with the authors noting that there was a 35% risk reduction in colorectal cancer with a dose of 325 mg daily. That’s a new finding, Dr. Cuzick said.
He noted that the ASPREE study largely consists of patients 70 years of age or older, and the authors “draw some conclusions which we can’t ignore about potential safety.”
One of the safety concerns is the increased risk for gastrointestinal bleeding, which is why Dr. Cuzick and colleagues previously recommended caution in the use of aspirin to prevent cancer in elderly patients. The group published a study in 2015 that suggested a benefit of taking aspirin daily for 5-10 years in patients aged 50-65 years, but the risk/benefit ratio was unclear for patients 70 years and older.
The ASPREE data now add to those uncertainties and suggest “there may be some side effects that we do not understand,” Dr. Cuzick said.
“I’m still optimistic that aspirin is going to be important for cancer prevention, but probably focusing on ages 50-70,” he added. “[The ASPREE data] reinforce the caution that we have to take in terms of trying to understand what the side effects are and what’s going on at these older ages.”
Dr. Cuzick is currently leading the AsCaP Project, an international effort to better understand why aspirin might work in preventing some cancer types but not others. AsCaP is supported by Cancer Research UK and also includes Dr. Chan among the researchers attempting to find out which patients may benefit the most from aspirin and which may be at greater risk of adverse effects.
The ASPREE trial was funded by grants from the National Institute on Aging, the National Cancer Institute, the National Health and Medical Research Council of Australia, Monash University, and the Victorian Cancer Agency. Several ASPREE investigators disclosed financial relationships with Bayer Pharma. The editorialists had no conflicts of interest. Dr. Cuzick has been an advisory board member for Bayer in the past.
SOURCE: McNeil J et al. J Natl Cancer Inst. 2020 Aug 11. doi: 10.1093/jnci/djaa114.
Aspirin may accelerate the progression of advanced cancers and lead to an earlier death as a result, new data from the ASPREE study suggest.
The results showed that patients 65 years and older who started taking daily low-dose aspirin had a 19% higher chance of being diagnosed with metastatic cancer, a 22% higher chance of being diagnosed with a stage 4 tumor, and a 31% increased risk of death from stage 4 cancer, when compared with patients who took a placebo.
John J. McNeil, MBBS, PhD, of Monash University in Melbourne, Australia, and colleagues detailed these findings in the Journal of the National Cancer Institute.
“If confirmed, the clinical implications of these findings could be important for the use of aspirin in an older population,” the authors wrote.
When results of the ASPREE study were first reported in 2018, they “raised important concerns,” Ernest Hawk, MD, and Karen Colbert Maresso wrote in an editorial related to the current publication.
“Unlike ARRIVE, ASCEND, and nearly all prior primary prevention CVD [cardiovascular disease] trials of aspirin, ASPREE surprisingly demonstrated increased all-cause mortality in the aspirin group, which appeared to be driven largely by an increase in cancer-related deaths,” wrote the editorialists, who are both from the University of Texas MD Anderson Cancer Center in Houston.
Even though the ASPREE investigators have now taken a deeper dive into their data, the findings “neither explain nor alleviate the concerns raised by the initial ASPREE report,” the editorialists noted.
ASPREE design and results
ASPREE is a multicenter, double-blind trial of 19,114 older adults living in Australia (n = 16,703) or the United States (n = 2,411). Most patients were 70 years or older at baseline. However, the U.S. group also included patients 65 years and older who were racial/ethnic minorities (n = 564).
Patients were randomized to receive 100 mg of enteric-coated aspirin daily (n = 9,525) or matching placebo (n = 9,589) from March 2010 through December 2014.
At inclusion, all participants were free from cardiovascular disease, dementia, or physical disability. A previous history of cancer was not used to exclude participants, and 19.1% of patients had cancer at randomization. Most patients (89%) had not used aspirin regularly before entering the trial.
At a median follow-up of 4.7 years, there were 981 incident cancer events in the aspirin-treated group and 952 in the placebo-treated group, with an overall incident cancer rate of 10.1%.
Of the 1,933 patients with newly diagnosed cancer, 65.7% had a localized cancer, 18.8% had a new metastatic cancer, 5.8% had metastatic disease from an existing cancer, and 9.7% had a new hematologic or lymphatic cancer.
A quarter of cancer patients (n = 495) died as a result of their malignancy, with 52 dying from a cancer they already had at randomization.
Aspirin was not associated with the risk of first incident cancer diagnosis or incident localized cancer diagnosis. The hazard ratios were 1.04 for all incident cancers (95% confidence interval, 0.95-1.14) and 0.99 for incident localized cancers (95% CI, 0.89-1.11).
However, aspirin was associated with an increased risk of metastatic cancer and cancer presenting at stage 4. The HR for metastatic cancer was 1.19 (95% CI, 1.00-1.43), and the HR for newly diagnosed stage 4 cancer was 1.22 (95% CI, 1.02-1.45).
Furthermore, “an increased progression to death was observed amongst those randomized to aspirin, regardless of whether the initial cancer presentation had been localized or metastatic,” the investigators wrote.
The HRs for death were 1.35 for all cancers (95% CI, 1.13-1.61), 1.47 for localized cancers (95% CI, 1.07-2.02), and 1.30 for metastatic cancers (95% CI, 1.03-1.63).
“Deaths were particularly high among those on aspirin who were diagnosed with advanced solid cancers,” study author Andrew Chan, MD, of Massachusetts General Hospital in Boston, said in a press statement.
Indeed, HRs for death in patients with solid tumors presenting at stage 3 and 4 were a respective 2.11 (95% CI, 1.03-4.33) and 1.31 (95% CI, 1.04-1.64). This suggests a possible adverse effect of aspirin on the growth of cancers once they have already developed in older adults, Dr. Chan said.
Where does that leave aspirin for cancer prevention?
“Although these results suggest that we should be cautious about starting aspirin therapy in otherwise healthy older adults, this does not mean that individuals who are already taking aspirin – particularly if they began taking it at a younger age – should stop their aspirin regimen,” Dr. Chan said.
There are decades of data supporting the use of daily aspirin to prevent multiple cancer types, particularly colorectal cancer, in individuals under the age of 70 years. In a recent meta-analysis, for example, regular aspirin use was linked to a 27% reduced risk for colorectal cancer, a 33% reduced risk for squamous cell esophageal cancer, a 39% decreased risk for adenocarcinoma of the esophagus and gastric cardia, a 36% decreased risk for stomach cancer, a 38% decreased risk for hepatobiliary tract cancer, and a 22% decreased risk for pancreatic cancer.
While these figures are mostly based on observational and case-control studies, it “reaffirms the fact that, overall, when you look at all of the ages, that there is still a benefit of aspirin for cancer,” John Cuzick, PhD, of Queen Mary University of London (England), said in an interview.
In fact, the meta-analysis goes as far as suggesting that perhaps the dose of aspirin being used is too low, with the authors noting that there was a 35% risk reduction in colorectal cancer with a dose of 325 mg daily. That’s a new finding, Dr. Cuzick said.
He noted that the ASPREE study largely consists of patients 70 years of age or older, and the authors “draw some conclusions which we can’t ignore about potential safety.”
One of the safety concerns is the increased risk for gastrointestinal bleeding, which is why Dr. Cuzick and colleagues previously recommended caution in the use of aspirin to prevent cancer in elderly patients. The group published a study in 2015 that suggested a benefit of taking aspirin daily for 5-10 years in patients aged 50-65 years, but the risk/benefit ratio was unclear for patients 70 years and older.
The ASPREE data now add to those uncertainties and suggest “there may be some side effects that we do not understand,” Dr. Cuzick said.
“I’m still optimistic that aspirin is going to be important for cancer prevention, but probably focusing on ages 50-70,” he added. “[The ASPREE data] reinforce the caution that we have to take in terms of trying to understand what the side effects are and what’s going on at these older ages.”
Dr. Cuzick is currently leading the AsCaP Project, an international effort to better understand why aspirin might work in preventing some cancer types but not others. AsCaP is supported by Cancer Research UK and also includes Dr. Chan among the researchers attempting to find out which patients may benefit the most from aspirin and which may be at greater risk of adverse effects.
The ASPREE trial was funded by grants from the National Institute on Aging, the National Cancer Institute, the National Health and Medical Research Council of Australia, Monash University, and the Victorian Cancer Agency. Several ASPREE investigators disclosed financial relationships with Bayer Pharma. The editorialists had no conflicts of interest. Dr. Cuzick has been an advisory board member for Bayer in the past.
SOURCE: McNeil J et al. J Natl Cancer Inst. 2020 Aug 11. doi: 10.1093/jnci/djaa114.
FROM JOURNAL OF THE NATIONAL CANCER INSTITUTE
Black/White gap gone: ‘The only cancer where this has happened’
The historically higher incidence rates of lung cancer among Black men, compared with White men, in the United States have all but been eliminated, at least among most men in the younger age groups, a new analysis from the American Cancer Society (ACS) indicates.
Among women, the trend is even more impressive, as the Black/White gap in lung cancer incidence rates has actually reversed in younger women. Black women in certain age groups are now less likely to develop lung cancer than White women, the same study indicates.
These trends reflect the steeper declines in smoking rates among Blacks in the US, compared with comparably-aged Whites, say the authors.
“This is the only cancer where this has happened,” lead author Ahmedin Jemal, DVM, PhD, senior vice president for Data Science at the American Cancer Society, told Medscape Medical News.
“If you look at cancers that are affected by access to screening and treatment, the disparity between the Blacks and the Whites has been increasing over the years because tests and treatment require access to insurance, so the Whites are getting more of them than the Blacks,” Jemal explained.
“But for smoking, all you have to do for prevention is just don’t smoke, so this is a success story that really should be highlighted,” he emphasized.
The study was published online Aug. 20 in JNCI Cancer: Spectrum.
Nationwide Incidence Data
For this study, Jemal and colleagues collected nationwide incidence data on individuals between ages 30 and 54 who had been diagnosed with lung cancer between 1997 and 2016.
“We categorized age at diagnosis by 5-year age intervals (from 30-34 to 50-54 years) and year of diagnosis by 5-year calendar period (from 1997-2001 to 2012-2016),” the investigators explain.
Analyses showed that lung cancer incidence rates generally decreased among both Black and White men during the study interval but the decline in incidence rates was steeper in Black men than in White men. As a consequence, the Black-to-White incidence rate ratios (IRRs) became similar in men born between 1967 and 1972 and reversed in women born since about 1967. For example, the Black-to-White IRRs in men between the ages of 40 and 44 who were born between 1957 and 1972 declined from 1.92 to 1.03.
Similarly, lung cancer incidence rates during the study interval declined among both Black and White women between the ages of 30 and 49 but, again, the decline was “considerably larger” among Black women. As a consequence, the Black-to-White IRR in women age 45 to 49 dropped from 1.25 during the period 1997-2001 down to 0.83 during the period 2012-2016.
This is in stark contrast to historical trends in lung cancer incidence rates, which were over 30% higher among similarly aged Black women born in the late 1950s. Now, lung cancer incidence rates are about 30% lower for similarly aged Black women born in 1972, compared with White women.
For Black and White women between age 50 and 54, lung cancer incidence rates either declined only slightly or remained stable during the study interval, the investigators reported.
The one exception to the diminishing gap in lung cancer incidence rates between Black and White men was an observed increase in IRRs in men born around the period 1977-1982
Among this group of men, who were between age 30 and 39 in the years 2012-2016, lung cancer incidence rates were higher in Black men than in White men.
As the authors point out, this increase in lung cancer rates among young Black men likely reflects a rapid rise in smoking seen among Black youth in the 1990s.
This trend coincided with an R.J. Reynolds tobacco ad campaign in which African Americans were targeted; between 1991 and 1997, the prevalence of smoking among Black high school students doubled from 14.1% to 28.2%, the investigators point out, citing a 2008 Centers for Disease Control and Prevention report on cigarette use among US high school students.
Smoking Prevalence Rates
Smoking prevalence rates were derived from National Health Interview Survey data from 1970 to 2016.
Mirroring findings in the racial patterns of lung cancer incidence rates, smoking prevalence rates declined in successive birth cohorts in both Black and White males and females, but the decline was again steeper in Black men and women than it was in White men and women.
As a result, the historically higher sex-specific smoking prevalence rates seen historically in Blacks disappeared in men born around 1960, and reversed in women born at the same time, Jemal and colleagues point out.
As the authors explain, the more rapid decline in smoking prevalence after 1960 is likely a reflection of the “precipitous” drop in smoking initiation rates among Black teenagers starting about the late 1970s through to the early 1990s.
For example, among 12th graders, smoking prevalence rates between 1977 and 1992 dropped from 36.7% to 8.1% among Black teens. In stark contrast, they hardly changed at all among White teens, dropping only from 38.3% in 1977 to 31.8% in 1992.
Jemal suggested that steeper decline in smoking initiation rates seen between the late 1970s and early 90s reflects the fact that Black teenagers were deterred from smoking because the cost of cigarettes kept going up.
He also suggested that smoking is less acceptable in the Black community than it is in the White community, especially among churchgoers, where smoking is severely frowned upon and nonsmoking is the community “norm.”
Additionally, Black youth may simply be heeding government antismoking messages to a greater extent than White youth, Jemal suggested.
He wondered if there are parallels now in the current pandemic. “When I go to a store here in Georgia, I would say almost all Blacks are wearing a mask [even though masks are not mandatory in Georgia] whereas it’s amazing the number of Whites who don’t wear a mask,” he recounts.
“So it would seem that Whites feel that government is simply interfering with their lives, while Blacks have a better perspective of the harms of smoking, so they are listening to the government’s antismoking campaigns,” he speculated.
Some Isolated Areas
Asked to comment on the study’s findings, Otis Brawley, MD, Bloomberg, distinguished professor of oncology and epidemiology at Johns Hopkins University in Baltimore, said that, while overall Black smoking rates are declining, there are some isolated areas where they are still very high.
For example, in his hometown of Baltimore, recent prevalence rates indicate that over 30% of Blacks are still smoking, “so these areas with high usage are still areas to focus on,” he told Medscape Medical News.
On the other hand, the study also supports the benefits of local, state, and federal government efforts to promote antismoking messages and tobacco-control activities over the past number of years.
“It proves that tactics used to control tobacco use have had some effect [even though] the study also shows that the tobacco industry’s advertising tactics such as the R.J. Reynolds targeted ads in the 90s can have deleterious effects,” Brawley noted.
Lung cancer has traditionally been one of the biggest drivers in the Black/White cancer mortality gap, Brawley said, adding that steeper declines in smoking initiation rates among Blacks compared with Whites are the main reason why this disparity is decreasing.
The study was supported by the Intramural Research Department of the American Cancer Society. The study authors have disclosed no relevant financial relationships. Brawley declares he does some consulting work for pharmaceutical company Genentech.
This article first appeared on Medscape.com.
The historically higher incidence rates of lung cancer among Black men, compared with White men, in the United States have all but been eliminated, at least among most men in the younger age groups, a new analysis from the American Cancer Society (ACS) indicates.
Among women, the trend is even more impressive, as the Black/White gap in lung cancer incidence rates has actually reversed in younger women. Black women in certain age groups are now less likely to develop lung cancer than White women, the same study indicates.
These trends reflect the steeper declines in smoking rates among Blacks in the US, compared with comparably-aged Whites, say the authors.
“This is the only cancer where this has happened,” lead author Ahmedin Jemal, DVM, PhD, senior vice president for Data Science at the American Cancer Society, told Medscape Medical News.
“If you look at cancers that are affected by access to screening and treatment, the disparity between the Blacks and the Whites has been increasing over the years because tests and treatment require access to insurance, so the Whites are getting more of them than the Blacks,” Jemal explained.
“But for smoking, all you have to do for prevention is just don’t smoke, so this is a success story that really should be highlighted,” he emphasized.
The study was published online Aug. 20 in JNCI Cancer: Spectrum.
Nationwide Incidence Data
For this study, Jemal and colleagues collected nationwide incidence data on individuals between ages 30 and 54 who had been diagnosed with lung cancer between 1997 and 2016.
“We categorized age at diagnosis by 5-year age intervals (from 30-34 to 50-54 years) and year of diagnosis by 5-year calendar period (from 1997-2001 to 2012-2016),” the investigators explain.
Analyses showed that lung cancer incidence rates generally decreased among both Black and White men during the study interval but the decline in incidence rates was steeper in Black men than in White men. As a consequence, the Black-to-White incidence rate ratios (IRRs) became similar in men born between 1967 and 1972 and reversed in women born since about 1967. For example, the Black-to-White IRRs in men between the ages of 40 and 44 who were born between 1957 and 1972 declined from 1.92 to 1.03.
Similarly, lung cancer incidence rates during the study interval declined among both Black and White women between the ages of 30 and 49 but, again, the decline was “considerably larger” among Black women. As a consequence, the Black-to-White IRR in women age 45 to 49 dropped from 1.25 during the period 1997-2001 down to 0.83 during the period 2012-2016.
This is in stark contrast to historical trends in lung cancer incidence rates, which were over 30% higher among similarly aged Black women born in the late 1950s. Now, lung cancer incidence rates are about 30% lower for similarly aged Black women born in 1972, compared with White women.
For Black and White women between age 50 and 54, lung cancer incidence rates either declined only slightly or remained stable during the study interval, the investigators reported.
The one exception to the diminishing gap in lung cancer incidence rates between Black and White men was an observed increase in IRRs in men born around the period 1977-1982
Among this group of men, who were between age 30 and 39 in the years 2012-2016, lung cancer incidence rates were higher in Black men than in White men.
As the authors point out, this increase in lung cancer rates among young Black men likely reflects a rapid rise in smoking seen among Black youth in the 1990s.
This trend coincided with an R.J. Reynolds tobacco ad campaign in which African Americans were targeted; between 1991 and 1997, the prevalence of smoking among Black high school students doubled from 14.1% to 28.2%, the investigators point out, citing a 2008 Centers for Disease Control and Prevention report on cigarette use among US high school students.
Smoking Prevalence Rates
Smoking prevalence rates were derived from National Health Interview Survey data from 1970 to 2016.
Mirroring findings in the racial patterns of lung cancer incidence rates, smoking prevalence rates declined in successive birth cohorts in both Black and White males and females, but the decline was again steeper in Black men and women than it was in White men and women.
As a result, the historically higher sex-specific smoking prevalence rates seen historically in Blacks disappeared in men born around 1960, and reversed in women born at the same time, Jemal and colleagues point out.
As the authors explain, the more rapid decline in smoking prevalence after 1960 is likely a reflection of the “precipitous” drop in smoking initiation rates among Black teenagers starting about the late 1970s through to the early 1990s.
For example, among 12th graders, smoking prevalence rates between 1977 and 1992 dropped from 36.7% to 8.1% among Black teens. In stark contrast, they hardly changed at all among White teens, dropping only from 38.3% in 1977 to 31.8% in 1992.
Jemal suggested that steeper decline in smoking initiation rates seen between the late 1970s and early 90s reflects the fact that Black teenagers were deterred from smoking because the cost of cigarettes kept going up.
He also suggested that smoking is less acceptable in the Black community than it is in the White community, especially among churchgoers, where smoking is severely frowned upon and nonsmoking is the community “norm.”
Additionally, Black youth may simply be heeding government antismoking messages to a greater extent than White youth, Jemal suggested.
He wondered if there are parallels now in the current pandemic. “When I go to a store here in Georgia, I would say almost all Blacks are wearing a mask [even though masks are not mandatory in Georgia] whereas it’s amazing the number of Whites who don’t wear a mask,” he recounts.
“So it would seem that Whites feel that government is simply interfering with their lives, while Blacks have a better perspective of the harms of smoking, so they are listening to the government’s antismoking campaigns,” he speculated.
Some Isolated Areas
Asked to comment on the study’s findings, Otis Brawley, MD, Bloomberg, distinguished professor of oncology and epidemiology at Johns Hopkins University in Baltimore, said that, while overall Black smoking rates are declining, there are some isolated areas where they are still very high.
For example, in his hometown of Baltimore, recent prevalence rates indicate that over 30% of Blacks are still smoking, “so these areas with high usage are still areas to focus on,” he told Medscape Medical News.
On the other hand, the study also supports the benefits of local, state, and federal government efforts to promote antismoking messages and tobacco-control activities over the past number of years.
“It proves that tactics used to control tobacco use have had some effect [even though] the study also shows that the tobacco industry’s advertising tactics such as the R.J. Reynolds targeted ads in the 90s can have deleterious effects,” Brawley noted.
Lung cancer has traditionally been one of the biggest drivers in the Black/White cancer mortality gap, Brawley said, adding that steeper declines in smoking initiation rates among Blacks compared with Whites are the main reason why this disparity is decreasing.
The study was supported by the Intramural Research Department of the American Cancer Society. The study authors have disclosed no relevant financial relationships. Brawley declares he does some consulting work for pharmaceutical company Genentech.
This article first appeared on Medscape.com.
The historically higher incidence rates of lung cancer among Black men, compared with White men, in the United States have all but been eliminated, at least among most men in the younger age groups, a new analysis from the American Cancer Society (ACS) indicates.
Among women, the trend is even more impressive, as the Black/White gap in lung cancer incidence rates has actually reversed in younger women. Black women in certain age groups are now less likely to develop lung cancer than White women, the same study indicates.
These trends reflect the steeper declines in smoking rates among Blacks in the US, compared with comparably-aged Whites, say the authors.
“This is the only cancer where this has happened,” lead author Ahmedin Jemal, DVM, PhD, senior vice president for Data Science at the American Cancer Society, told Medscape Medical News.
“If you look at cancers that are affected by access to screening and treatment, the disparity between the Blacks and the Whites has been increasing over the years because tests and treatment require access to insurance, so the Whites are getting more of them than the Blacks,” Jemal explained.
“But for smoking, all you have to do for prevention is just don’t smoke, so this is a success story that really should be highlighted,” he emphasized.
The study was published online Aug. 20 in JNCI Cancer: Spectrum.
Nationwide Incidence Data
For this study, Jemal and colleagues collected nationwide incidence data on individuals between ages 30 and 54 who had been diagnosed with lung cancer between 1997 and 2016.
“We categorized age at diagnosis by 5-year age intervals (from 30-34 to 50-54 years) and year of diagnosis by 5-year calendar period (from 1997-2001 to 2012-2016),” the investigators explain.
Analyses showed that lung cancer incidence rates generally decreased among both Black and White men during the study interval but the decline in incidence rates was steeper in Black men than in White men. As a consequence, the Black-to-White incidence rate ratios (IRRs) became similar in men born between 1967 and 1972 and reversed in women born since about 1967. For example, the Black-to-White IRRs in men between the ages of 40 and 44 who were born between 1957 and 1972 declined from 1.92 to 1.03.
Similarly, lung cancer incidence rates during the study interval declined among both Black and White women between the ages of 30 and 49 but, again, the decline was “considerably larger” among Black women. As a consequence, the Black-to-White IRR in women age 45 to 49 dropped from 1.25 during the period 1997-2001 down to 0.83 during the period 2012-2016.
This is in stark contrast to historical trends in lung cancer incidence rates, which were over 30% higher among similarly aged Black women born in the late 1950s. Now, lung cancer incidence rates are about 30% lower for similarly aged Black women born in 1972, compared with White women.
For Black and White women between age 50 and 54, lung cancer incidence rates either declined only slightly or remained stable during the study interval, the investigators reported.
The one exception to the diminishing gap in lung cancer incidence rates between Black and White men was an observed increase in IRRs in men born around the period 1977-1982
Among this group of men, who were between age 30 and 39 in the years 2012-2016, lung cancer incidence rates were higher in Black men than in White men.
As the authors point out, this increase in lung cancer rates among young Black men likely reflects a rapid rise in smoking seen among Black youth in the 1990s.
This trend coincided with an R.J. Reynolds tobacco ad campaign in which African Americans were targeted; between 1991 and 1997, the prevalence of smoking among Black high school students doubled from 14.1% to 28.2%, the investigators point out, citing a 2008 Centers for Disease Control and Prevention report on cigarette use among US high school students.
Smoking Prevalence Rates
Smoking prevalence rates were derived from National Health Interview Survey data from 1970 to 2016.
Mirroring findings in the racial patterns of lung cancer incidence rates, smoking prevalence rates declined in successive birth cohorts in both Black and White males and females, but the decline was again steeper in Black men and women than it was in White men and women.
As a result, the historically higher sex-specific smoking prevalence rates seen historically in Blacks disappeared in men born around 1960, and reversed in women born at the same time, Jemal and colleagues point out.
As the authors explain, the more rapid decline in smoking prevalence after 1960 is likely a reflection of the “precipitous” drop in smoking initiation rates among Black teenagers starting about the late 1970s through to the early 1990s.
For example, among 12th graders, smoking prevalence rates between 1977 and 1992 dropped from 36.7% to 8.1% among Black teens. In stark contrast, they hardly changed at all among White teens, dropping only from 38.3% in 1977 to 31.8% in 1992.
Jemal suggested that steeper decline in smoking initiation rates seen between the late 1970s and early 90s reflects the fact that Black teenagers were deterred from smoking because the cost of cigarettes kept going up.
He also suggested that smoking is less acceptable in the Black community than it is in the White community, especially among churchgoers, where smoking is severely frowned upon and nonsmoking is the community “norm.”
Additionally, Black youth may simply be heeding government antismoking messages to a greater extent than White youth, Jemal suggested.
He wondered if there are parallels now in the current pandemic. “When I go to a store here in Georgia, I would say almost all Blacks are wearing a mask [even though masks are not mandatory in Georgia] whereas it’s amazing the number of Whites who don’t wear a mask,” he recounts.
“So it would seem that Whites feel that government is simply interfering with their lives, while Blacks have a better perspective of the harms of smoking, so they are listening to the government’s antismoking campaigns,” he speculated.
Some Isolated Areas
Asked to comment on the study’s findings, Otis Brawley, MD, Bloomberg, distinguished professor of oncology and epidemiology at Johns Hopkins University in Baltimore, said that, while overall Black smoking rates are declining, there are some isolated areas where they are still very high.
For example, in his hometown of Baltimore, recent prevalence rates indicate that over 30% of Blacks are still smoking, “so these areas with high usage are still areas to focus on,” he told Medscape Medical News.
On the other hand, the study also supports the benefits of local, state, and federal government efforts to promote antismoking messages and tobacco-control activities over the past number of years.
“It proves that tactics used to control tobacco use have had some effect [even though] the study also shows that the tobacco industry’s advertising tactics such as the R.J. Reynolds targeted ads in the 90s can have deleterious effects,” Brawley noted.
Lung cancer has traditionally been one of the biggest drivers in the Black/White cancer mortality gap, Brawley said, adding that steeper declines in smoking initiation rates among Blacks compared with Whites are the main reason why this disparity is decreasing.
The study was supported by the Intramural Research Department of the American Cancer Society. The study authors have disclosed no relevant financial relationships. Brawley declares he does some consulting work for pharmaceutical company Genentech.
This article first appeared on Medscape.com.