Study Offers Clues About Biosimilar Uptake Drivers, Barriers

  • Aug 08, 2024

    With policymakers and industry stakeholders increasingly focused on the cost savings opportunities tied to biosimilars, a new Health Affairs study sheds light on some of the factors that influence uptake of these near-copies of pricey biologic medications.

    Among almost 200,000 commercial and Medicare Advantage enrollees who newly initiated one of seven biologic drugs with available biosimilar versions — filgrastim, bevacizumab, epoetin alfa, trastuzumab, pegfilgrastim, infliximab and rituximab — the share of people initiating a biosimilar increased from 1% in 2013 to 34% in 2022. Patients who were younger than 18 years were less likely to initiate a biosimilar than other age groups. Meanwhile, enrollees in commercial high-deductible health plans were more likely to use a biosimilar, compared with those in MA plans.

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  • Jinghong Chen

    Jinghong has been producing infographics and data stories on employer-sponsored insurance, public health insurance programs and prescription drug coverage for AIS Health’s Health Plan Weekly and Radar on Drug Benefits since 2018. She also manages AIS Health’s annual executive compensation database for top insurers and Blue Cross and Blue Shield affiliates. Before joining AIS Health, she interned at WBEZ, Al Jazeera English and The New York Times Chinese. She graduated from Missouri School of Journalism with a focus on data journalism and international reporting.

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