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

Cancer Medicine

Candice Yong¹  Jean A. Yared²  Julia F. Slejko³  Eberechukwu Onukwugha³  Rahul Khairnar³  Daisuke Goto⁴  Dorothy Romanus⁵ 

[1] AstraZeneca Pharmaceuticals LP Gaithersburg MD USA;Department of Medicine University of Maryland School of Medicine Baltimore MD USA;Department of Pharmaceutical Health Services Research University of Maryland School of Pharmacy Baltimore MD USA;Merck Research Laboratories North Wales PA USA;Millennium Pharmaceuticals, Inc., a wholly owned subsidiary of Takeda Pharmaceutical Company Limited Cambridge MA USA;

关键词: elderly patients;    immunomodulatory drugs (IMiDs);    multiple myeloma;    proteasome inhibitors;    SEER‐Medicare;    systemic treatment;   

DOI  :  10.1002/cam4.2698

来源: DOAJ

【 摘 要 】

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.

【 授权许可】

Unknown