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The low-income subsidy in Medicare Part D is helping to eliminate racial disparities in adherence to hormonal therapy among breast cancer patients.
Investigators identified a nationwide cohort of 25,111 Medicare D enrollees with a breast cancer operation between 2006 and 2007 and at least one prescription filled for oral breast cancer hormonal therapy. Women not receiving the low-income subsidy “were 60%-200% more likely to discontinue hormonal therapy in the first 35 months, compared with low-income subsidy recipients of the same race or ethnicity,” reported Alana Biggers, MD, of University of Illinois at Chicago, and her colleagues, in the Journal of Clinical Oncology.
The study found that overall, it took 14 months for 25% of the cohort to discontinue medication (unadjusted). When the researchers broke it down by race/ethnicity, they found that it took 12 months for 25% of unsubsidized whites to discontinue medication, compared with 24 months for subsidized whites. For unsubsidized blacks, it was 9 months, compared with 24 months for subsidized blacks. For unsubsidized Hispanics, it was 10 months vs. 29 months for subsidized Hispanics.
“Our findings regarding the relatively large difference in persistence in adherence between subsidized and unsubsidized women are consistent with large reductions in out-of-pocket costs for aromatase inhibitors with the subsidy,” the authors state.
More effort should be placed on ensuring that women eligible for the low-income subsidy are enrolled, and legislative and advocacy efforts for those outside of Medicare “should focus on lowering out-of-pocket costs for younger women. Given the high costs of oral oncologic and supportive medications, the impact on disparities of other initiatives to reduce out-of-pocket costs deserves urgent study,” they said.
The authors reported no relevant conflicts of interest related to this study, which was supported by grants from the National Institutes of Health and the American Cancer Society.
The low-income subsidy in Medicare Part D is helping to eliminate racial disparities in adherence to hormonal therapy among breast cancer patients.
Investigators identified a nationwide cohort of 25,111 Medicare D enrollees with a breast cancer operation between 2006 and 2007 and at least one prescription filled for oral breast cancer hormonal therapy. Women not receiving the low-income subsidy “were 60%-200% more likely to discontinue hormonal therapy in the first 35 months, compared with low-income subsidy recipients of the same race or ethnicity,” reported Alana Biggers, MD, of University of Illinois at Chicago, and her colleagues, in the Journal of Clinical Oncology.
The study found that overall, it took 14 months for 25% of the cohort to discontinue medication (unadjusted). When the researchers broke it down by race/ethnicity, they found that it took 12 months for 25% of unsubsidized whites to discontinue medication, compared with 24 months for subsidized whites. For unsubsidized blacks, it was 9 months, compared with 24 months for subsidized blacks. For unsubsidized Hispanics, it was 10 months vs. 29 months for subsidized Hispanics.
“Our findings regarding the relatively large difference in persistence in adherence between subsidized and unsubsidized women are consistent with large reductions in out-of-pocket costs for aromatase inhibitors with the subsidy,” the authors state.
More effort should be placed on ensuring that women eligible for the low-income subsidy are enrolled, and legislative and advocacy efforts for those outside of Medicare “should focus on lowering out-of-pocket costs for younger women. Given the high costs of oral oncologic and supportive medications, the impact on disparities of other initiatives to reduce out-of-pocket costs deserves urgent study,” they said.
The authors reported no relevant conflicts of interest related to this study, which was supported by grants from the National Institutes of Health and the American Cancer Society.
The low-income subsidy in Medicare Part D is helping to eliminate racial disparities in adherence to hormonal therapy among breast cancer patients.
Investigators identified a nationwide cohort of 25,111 Medicare D enrollees with a breast cancer operation between 2006 and 2007 and at least one prescription filled for oral breast cancer hormonal therapy. Women not receiving the low-income subsidy “were 60%-200% more likely to discontinue hormonal therapy in the first 35 months, compared with low-income subsidy recipients of the same race or ethnicity,” reported Alana Biggers, MD, of University of Illinois at Chicago, and her colleagues, in the Journal of Clinical Oncology.
The study found that overall, it took 14 months for 25% of the cohort to discontinue medication (unadjusted). When the researchers broke it down by race/ethnicity, they found that it took 12 months for 25% of unsubsidized whites to discontinue medication, compared with 24 months for subsidized whites. For unsubsidized blacks, it was 9 months, compared with 24 months for subsidized blacks. For unsubsidized Hispanics, it was 10 months vs. 29 months for subsidized Hispanics.
“Our findings regarding the relatively large difference in persistence in adherence between subsidized and unsubsidized women are consistent with large reductions in out-of-pocket costs for aromatase inhibitors with the subsidy,” the authors state.
More effort should be placed on ensuring that women eligible for the low-income subsidy are enrolled, and legislative and advocacy efforts for those outside of Medicare “should focus on lowering out-of-pocket costs for younger women. Given the high costs of oral oncologic and supportive medications, the impact on disparities of other initiatives to reduce out-of-pocket costs deserves urgent study,” they said.
The authors reported no relevant conflicts of interest related to this study, which was supported by grants from the National Institutes of Health and the American Cancer Society.