A descriptive analysis of real-world oncology biosimilar use in Japan.

ABSTRACT: Aim: To describe patient and treatment characteristics associated with bevacizumab BS-Pfizer, rituximab BS-Pfizer and trastuzumab BS-Pfizer and their reference products in Japan.Methods: This retrospective observational study used an administrative claims database to identify patients with ≥1 biosimilar or reference product prescription from 2019 to 2022 for approved indications. Descriptive statistics were calculated.Results: Overall, 14-39% of biosimilar-prescribed patients initiated therapy with reference products. Biosimilar utilization significantly increased from 2019 to 2022. The most-commonly prescribed concomitant class of therapy with biosimilars was antineoplastic therapy.Conclusion: Reference products were most frequently prescribed among the Japanes

SUBMITTER: Roth JA 

PROVIDER: S-EPMC11486085 | biostudies-literature | 2024

REPOSITORIES: biostudies-literature