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Τετάρτη 25 Νοεμβρίου 2020

FDA Approval Summary: Selpercatinib for the Treatment of Lung and Thyroid cancers with RET Gene Mutations or Fusions

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On May 8, 2020, the Food and Drug Administration granted accelerated approval to selpercatinib for 1) adult patients with metastatic RET fusion-positive non-small cell lung cancer (NSCLC), 2) adult and pediatric patients ≥12 years of age with advanced or metastatic RET-mutant medullary thyroid cancer (MTC) who require systemic therapy, and 3) adult and pediatric patients ≥12 years of age with advanced or metastatic RET fusion-positive thyroid cancer who require systemic therapy and who are radioactive iodine-refractory (if radioactive iodine is appropriate). Approval was granted based on the clinically important effects on overall response rate (ORR) with prolonged duration of responses observed in a multicenter, open-label, multi-cohort clinical trial (LIBRETTO-001, NCT03157128) in patients whose tumors had RET alterations. ORRs within the approved patient populations ranged from 64% (95% CI: 54, 73) in prior platinum treated RET fusion-positive NSCLC t o 100% (95% CI: 63, 100) in systemic therapy naïve RET fusion-positive thyroid cancer, with the majority of responders across indications demonstrating responses of at least 6 months. The product label includes warnings and precautions for hepatotoxicity, hypertension, QT interval prolongation, hemorrhagic events, hypersensitivity, risk of impaired wound healing, and embryo-fetal toxicity. This is the first approval of a drug specifically for patients with RET alterations globally.

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