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Prescription pricing is a primary reason why Medicaid spending on multiple sclerosis disease-modifying therapies (DMTs) has more than doubled between 2011 and 2017 and the introduction of a generic glatiramer acetate is having nominal effect on pricing and utilization within the class, new research is showing.
“Gross spending on self-administered and infusible MS DMTs in the Medicaid program increased 2.9-fold from $453 million in 2011 to $1.32 billion in 2017,” Daniel Hartung, PharmD, of Oregon Health and Science University, Portland, and his colleagues wrote in a research report published Jan. 15 in Neurology. Net spending after accounting for rebates during this period showed a doubling of spending from $278 million per year to $600 million per year.
Use of MS DMTs during this period overall remained stable, but there was a shift from injectable DMTs to oral DMTs during this time window, the researchers found, with the plurality of utilization attributed to glatiramer acetate.
Sandoz began marketing a generic version of glatiramer acetate 20 mg in the second quarter of 2015, which led to an immediate increase in the cost per prescription of $441 for the branded version of glatiramer acetate 20 mg, although that cost has come down gradually by $52 per prescription over time. Other DMTs saw minimal price changes at that time, Dr. Hartung and his colleagues noted.
The researchers attributed the increased Medicaid spending to rising prices of DMTs.
“Although some of this increase is attributable to the 2014 Medicaid expansion, the primary driver was rising DMT costs per prescription, which doubled over the period,” the researchers wrote. “Thus, we assert that rising prices, not increasing use, are the primary driver of spending for DMTs in the Medicaid program.”
In addition, the introduction of the first generic DMT “appeared to have little effect on the overall trajectory of DMT costs,” they continued. “In fact, the cost of Teva’s 20-mg glatiramer acetate increased significantly following the release of Sandoz’s generic. ... The increase possibly signified efforts to both retain revenue and further push market share to the 40-mg version. Although the costs for generic glatiramer acetate declined over time, its introduction appears not to have fundamentally affected the overall trend in DMT costs.”
Indeed, the researchers’ examination of utilization trends found that Teva executed a successful preemptive strategy of converting 20-mg users of glatiramer acetate to 40-mg users, something that is not interchangeable with the generic product.
“Low generic penetration is also due to the fact that Sandoz’s product was only 15% less expensive than branded glatiramer acetate 20 mg and approximately the same cost as the 40-mg version at launch,” Dr. Hartung and his colleagues stated. “This difference may have been further diminished by rebates that Teva may have provided to maintain preferred status on state Medicaid formularies.”
These factors reflect an “urgent need for robust generic competition within the DMT class,” the authors wrote.
The study was supported by the National Multiple Sclerosis Society. Lead author Dr. Hartung reported receiving research support from AbbVie.
SOURCE: Hartung D et al. Neurology. Jan 15. doi: 10.1212/WNL.0000000000008936.
Prescription pricing is a primary reason why Medicaid spending on multiple sclerosis disease-modifying therapies (DMTs) has more than doubled between 2011 and 2017 and the introduction of a generic glatiramer acetate is having nominal effect on pricing and utilization within the class, new research is showing.
“Gross spending on self-administered and infusible MS DMTs in the Medicaid program increased 2.9-fold from $453 million in 2011 to $1.32 billion in 2017,” Daniel Hartung, PharmD, of Oregon Health and Science University, Portland, and his colleagues wrote in a research report published Jan. 15 in Neurology. Net spending after accounting for rebates during this period showed a doubling of spending from $278 million per year to $600 million per year.
Use of MS DMTs during this period overall remained stable, but there was a shift from injectable DMTs to oral DMTs during this time window, the researchers found, with the plurality of utilization attributed to glatiramer acetate.
Sandoz began marketing a generic version of glatiramer acetate 20 mg in the second quarter of 2015, which led to an immediate increase in the cost per prescription of $441 for the branded version of glatiramer acetate 20 mg, although that cost has come down gradually by $52 per prescription over time. Other DMTs saw minimal price changes at that time, Dr. Hartung and his colleagues noted.
The researchers attributed the increased Medicaid spending to rising prices of DMTs.
“Although some of this increase is attributable to the 2014 Medicaid expansion, the primary driver was rising DMT costs per prescription, which doubled over the period,” the researchers wrote. “Thus, we assert that rising prices, not increasing use, are the primary driver of spending for DMTs in the Medicaid program.”
In addition, the introduction of the first generic DMT “appeared to have little effect on the overall trajectory of DMT costs,” they continued. “In fact, the cost of Teva’s 20-mg glatiramer acetate increased significantly following the release of Sandoz’s generic. ... The increase possibly signified efforts to both retain revenue and further push market share to the 40-mg version. Although the costs for generic glatiramer acetate declined over time, its introduction appears not to have fundamentally affected the overall trend in DMT costs.”
Indeed, the researchers’ examination of utilization trends found that Teva executed a successful preemptive strategy of converting 20-mg users of glatiramer acetate to 40-mg users, something that is not interchangeable with the generic product.
“Low generic penetration is also due to the fact that Sandoz’s product was only 15% less expensive than branded glatiramer acetate 20 mg and approximately the same cost as the 40-mg version at launch,” Dr. Hartung and his colleagues stated. “This difference may have been further diminished by rebates that Teva may have provided to maintain preferred status on state Medicaid formularies.”
These factors reflect an “urgent need for robust generic competition within the DMT class,” the authors wrote.
The study was supported by the National Multiple Sclerosis Society. Lead author Dr. Hartung reported receiving research support from AbbVie.
SOURCE: Hartung D et al. Neurology. Jan 15. doi: 10.1212/WNL.0000000000008936.
Prescription pricing is a primary reason why Medicaid spending on multiple sclerosis disease-modifying therapies (DMTs) has more than doubled between 2011 and 2017 and the introduction of a generic glatiramer acetate is having nominal effect on pricing and utilization within the class, new research is showing.
“Gross spending on self-administered and infusible MS DMTs in the Medicaid program increased 2.9-fold from $453 million in 2011 to $1.32 billion in 2017,” Daniel Hartung, PharmD, of Oregon Health and Science University, Portland, and his colleagues wrote in a research report published Jan. 15 in Neurology. Net spending after accounting for rebates during this period showed a doubling of spending from $278 million per year to $600 million per year.
Use of MS DMTs during this period overall remained stable, but there was a shift from injectable DMTs to oral DMTs during this time window, the researchers found, with the plurality of utilization attributed to glatiramer acetate.
Sandoz began marketing a generic version of glatiramer acetate 20 mg in the second quarter of 2015, which led to an immediate increase in the cost per prescription of $441 for the branded version of glatiramer acetate 20 mg, although that cost has come down gradually by $52 per prescription over time. Other DMTs saw minimal price changes at that time, Dr. Hartung and his colleagues noted.
The researchers attributed the increased Medicaid spending to rising prices of DMTs.
“Although some of this increase is attributable to the 2014 Medicaid expansion, the primary driver was rising DMT costs per prescription, which doubled over the period,” the researchers wrote. “Thus, we assert that rising prices, not increasing use, are the primary driver of spending for DMTs in the Medicaid program.”
In addition, the introduction of the first generic DMT “appeared to have little effect on the overall trajectory of DMT costs,” they continued. “In fact, the cost of Teva’s 20-mg glatiramer acetate increased significantly following the release of Sandoz’s generic. ... The increase possibly signified efforts to both retain revenue and further push market share to the 40-mg version. Although the costs for generic glatiramer acetate declined over time, its introduction appears not to have fundamentally affected the overall trend in DMT costs.”
Indeed, the researchers’ examination of utilization trends found that Teva executed a successful preemptive strategy of converting 20-mg users of glatiramer acetate to 40-mg users, something that is not interchangeable with the generic product.
“Low generic penetration is also due to the fact that Sandoz’s product was only 15% less expensive than branded glatiramer acetate 20 mg and approximately the same cost as the 40-mg version at launch,” Dr. Hartung and his colleagues stated. “This difference may have been further diminished by rebates that Teva may have provided to maintain preferred status on state Medicaid formularies.”
These factors reflect an “urgent need for robust generic competition within the DMT class,” the authors wrote.
The study was supported by the National Multiple Sclerosis Society. Lead author Dr. Hartung reported receiving research support from AbbVie.
SOURCE: Hartung D et al. Neurology. Jan 15. doi: 10.1212/WNL.0000000000008936.
FROM NEUROLOGY
Key clinical point: Medicaid spending on MS DMTs continues to rise in spite of generic introduction.
Major finding: Cost is the major factor in spending as utilization has remained stable.
Study details: Researchers examined quarterly Medicaid State Drug Utilization Data from 2011 to 2017, examining spending, utilization and cost per prescription for 15 MS DMTs, including brand and generic versions of glatiramer acetate.
Disclosures: The study was supported by the National Multiple Sclerosis Society. Lead author Dr. Hartung reported receiving research support from AbbVie.
Source: Hartung D et al. Neurology. Jan 15. doi: 10.1212/WNL.0000000000008936.