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Utilization of novel systemic therapies for multiple myeloma: A retrospective study of front-line regimens using the SEER-Medicare data.

ABSTRACT: The landscape of treatment for multiple myeloma (MM) has significantly changed over the last decade due to novel agents that have shown superiority in efficacy such as proteasome inhibitors (PIs) and immunomodulatory drugs (IMiDs) over traditional therapies. However, the real-world utilization of these new agents has not been studied well. This study evaluated year-to-year changes in treatment choices in a cohort of patients aged 66 or older in the Surveillance, Epidemiology, and End Results (SEER) registry linked with Medicare claims (SEER-Medicare) data who were diagnosed with MM between 2007 and 2011. We identified 2477 symptomatic newly diagnosed patients who were followed for 6 months or more postdiagnosis and treated with systemic therapies but not with stem cell transplantation. Symptomatic patients were identified by evidence of hypercalcemia, renal failure, anemia, or bone lesions (CRAB criteria). The minimum follow-up was imposed to ensure sufficient data to characterize treatment. Our analysis found that the proportion of treated patients increased from 75% in the 2007 cohort to 79% in the 2011 cohort. The share of PI-based regimens including PI plus alkylating agents, PI plus IMiD, and PI-only increased from 9% to 21%, 3% to 11%, and 16% to 22%, respectively, between 2007 and 2011. These findings translate to the share of PI-based regimens having increased from 28% to 55% and that of IMiDs-based regimens (excluding PI plus IMiD) having decreased from 43% to 27%. In conclusion, while the usage of PIs among elderly MM patients increased significantly replacing IMiD-based regimens (with or without alkylating agents but not with PI) between 2007 and 2011, this significant shift did not increase the proportion of treated patients.

SUBMITTER: Goto D

PROVIDER: S-EPMC6970041 | biostudies-literature | 2020 Jan

REPOSITORIES: biostudies-literature

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Utilization of novel systemic therapies for multiple myeloma: A retrospective study of front-line regimens using the SEER-Medicare data.

Goto Daisuke D Khairnar Rahul R Yared Jean A JA Yong Candice C Romanus Dorothy D Onukwugha Eberechukwu E Slejko Julia F JF

Cancer medicine 20191204 2

The landscape of treatment for multiple myeloma (MM) has significantly changed over the last decade due to novel agents that have shown superiority in efficacy such as proteasome inhibitors (PIs) and immunomodulatory drugs (IMiDs) over traditional therapies. However, the real-world utilization of these new agents has not been studied well. This study evaluated year-to-year changes in treatment choices in a cohort of patients aged 66 or older in the Surveillance, Epidemiology, and End Results (SE ...[more]

PMID: 31801177

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Project description:ImportanceLow-density lipoprotein cholesterol (LDL-C)-lowering therapies are a cornerstone of prevention in atherosclerotic cardiovascular disease. With the introduction of generic formulations and the release of new therapies, including proprotein convertase subtilisin/kexin type 9 (PCSK9) inhibitors, contemporary Medicare utilization of these therapies remains unknown.ObjectiveTo determine trends in utilization and spending on brand-name and generic LDL-C-lowering therapies and to estimate potential savings if all Medicare beneficiaries were switched to available therapeutically equivalent generic formulations.Design, setting, and participantsThis cross-sectional study analyzed prescription drug utilization and cost trend data from the Medicare Part D Prescription Drug Event data set from 2014 to 2018 for LDL-C-lowering therapies. A total of 11 LDL-C-lowering drugs with 25 formulations, including 16 brand-name and 9 generic formulations, were included. Data were collected and analyzed from October 2019 to June 2020.Main outcomes and measuresNumber of Medicare Part D beneficiaries, annual spending, and spending per beneficiary for all formulations.ResultsThe total number of Medicare Part D beneficiaries ranged from 37 720 840 in 2014 to 44 249 461 in 2018. The number of Medicare beneficiaries taking LDL-C-lowering therapies increased by 23% (from 20.5 million in 2014 to 25.2 million in 2018), while the associated Medicare expenditure decreased by 46% (from $6.3 billion in 2014 to $3.3 billion in 2018). Lower expenditure was driven by greater uptake of generic statin and ezetimibe and a concurrent rapid decline in the use of their brand-name formulations. Medicare spent $9.6 billion on brand-name statins and ezetimibe and could have saved $2.1 billion and $0.4 billion, respectively, if brand-name formulations were switched to equivalent generic versions when available. The number of beneficiaries using PCSK9 inhibitors since their introduction in 2015 has been modest, although use has increased by 144% (from 25 569 in 2016 to 62 476 in 2018) and total spending has increased by 199% (from $164 million in 2016 to $491 million in 2018).Conclusions and relevanceBetween 2014 and 2018, LDL-C-lowering therapies were used by 4.8 million more Medicare beneficiaries annually, with an associated $3.0 billion decline in Medicare spending. This cost reduction was driven by the rapid transition from brand-name formulations to lower-cost generic formulations of statins and ezetimibe. Use of PCSK9 inhibitions, although low, increased over time and could have broad implications on future Medicare spending.

Dataset Information

Utilization of novel systemic therapies for multiple myeloma: A retrospective study of front-line regimens using the SEER-Medicare data.

Publications

Utilization of novel systemic therapies for multiple myeloma: A retrospective study of front-line regimens using the SEER-Medicare data.

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