Merck gets USFDA Priority Review for application for Keytruda plus standard of care as Perioperative treatment for Resectable Locally Advanced Head, Neck Squamous Cell Carcinoma
Rahway: Merck, known as MSD outside of the United States and Canada, has announced the U.S. Food and Drug Administration (FDA) has accepted for priority review a new supplemental Biologics License Application (sBLA) seeking approval for KEYTRUDA (pembrolizumab), Merck’s anti-PD-1 therapy, for the treatment of patients with resectable locally advanced head and neck squamous cell carcinoma (LA-HNSCC) as neoadjuvant treatment, then continued as adjuvant treatment in combination with standard of care radiotherapy with or without cisplatin and then as a single agent.
The FDA has set a Prescription Drug User Fee Act (PDUFA), or target action, date of June 23, 2025.
The sBLA is based on data from the Phase 3 KEYNOTE-689 trial. Results from a pre-specified first interim analysis, which will be presented at an upcoming medical meeting, showed that in patients with resectable LA-HNSCC, the KEYTRUDA perioperative treatment regimen demonstrated a statistically significant and clinically meaningful improvement in event-free survival (EFS) compared to adjuvant radiotherapy (with or without cisplatin) alone. The study also showed a statistically significant improvement in major pathological response (mPR), a key secondary endpoint, for patients in the KEYTRUDA arm compared with adjuvant radiotherapy alone. The safety profile of KEYTRUDA was consistent with that observed in previously reported studies; no new safety signals were identified.
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