Page updated ·next FDA decision on the calendar·Data as of Nov 5, 2026 5:03 AM ET
FDA decision (PDUFA) target Mar 22, 2027 · Merck & Co., Inc. · RSV lower respiratory tract disease in children under 2 at increased risk, through their second RSV season
The FDA PDUFA target date for MRK (Merck & Co., Inc.) is 2027-03-22 for ENFLONSIA (clesrovimab). Dates are company/FDA-sourced and can slip. Verify against primary filings.
What is MRK's drug ENFLONSIA?
ENFLONSIA (clesrovimab) is Merck & Co., Inc.'s candidate under FDA review for RSV lower respiratory tract disease in children under 2 at increased risk, through their second RSV season.