Is KEYTRUDA QLEX FDA approved?
This letter documents an FDA approval action: FDA approved BLA 761467 for KEYTRUDA QLEX, sponsored by MERCK SHARP DOHME,. Product may be marketed. Verify current status and labeling in the source letter, since later FDA actions can change them.
What is BLA 761467?
BLA 761467 is the application under which FDA issued this approval letter for KEYTRUDA QLEX to MERCK SHARP DOHME. FDA posted the letter on April 7, 2026; the posting date is not the decision date.
What happens after an FDA approval letter?
The sponsor may market the product in line with the approved labeling. Approval letters typically set post-approval obligations: submitting final content of labeling, meeting any postmarketing requirements or commitments listed in the letter, updating Orange Book patent information within 30 days for NDAs, and ongoing annual reporting under 21 CFR 314.81.