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FDA Approves Camizestrant Plus a CDK4/6 Inhibitor for Emergent ESR1-Mutated HR+, HER2
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Fusion42 · 4 September 2026 · Fusion42 review
The FDA has granted accelerated approval to camizestrant combined with a CDK4/6 inhibitor for treating adult patients with hormone receptor–positive, HER2-negative metastatic breast cancer that develops an ESR1 mutation during treatment. This decision was supported by phase 3 SERENA-6 trial data showing a significant improvement in progression-free survival compared to the current standard of care.
This Wire brief sits within Fusion42's coverage of Biotech, and 4 sources have reported it.
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Your breast cancer drug strategy must now account for camizestrant as a proven option against ESR1-mutated resistant tumours. Developing or integrating diagnostics like Guardant360 CDx to identify eligible patients opens immediate market access opportunities.
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4 sources · 4 Sep 2026
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