ArticleFuture oncology (London, England)2025
CDK4/6 inhibitor plus endocrine therapy for advanced breast cancer: results from a web-based survey in Japan.
Article in Future oncology (London, England), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThough efforts have been made toward standardizing access to quality cancer care in Japan, there are still geographical and institutional disparities in the level of cancer care availability. We investigated the utilization of cyclin-dependent kinase 4/6 inhibitors plus endocrine therapy (CDK4/6i+ET) as first-line (1 L) treatment for hormone receptor-positive (HR+)/human epidermal growth factor receptor 2-negative (HER2-) advanced breast cancer (ABC) in Japan. RESEARCH DESIGN AND
methodsThis cross-sectional survey included physicians who had treated ≥3 1 L patients with HR+/HER2- ABC in the past year.
resultsOf 41,695 physicians invited, 300 were included in the analysis. The mean percentage share of CDK4/6i+ET and ET monotherapy was 38.3% and 42.2%, respectively. Common challenges facing CDK4/6i+ET prescription were adverse reaction management, prohibitive cost, and a preference for ET monotherapy for treating elderly patients. Key solutions included reducing the burden of adverse reaction management, improving financial support, and preparing educational videos for medical staff.
conclusionsThe study concluded that CDK4/6i+ET is not well established as a 1 L option in Japan as of 2022. More effective ways of creating awareness and supportive tools are needed for CDK4/6i+ET to be adopted as standard of care in Japan. TRIAL REGISTRATION NUMBER: UMIN000050760.
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