Keytruda Qlex Purple Book BLA 761467

BLA number
761467
Proprietary names
Keytruda Qlex
Proper names
pembrolizumab and berahyaluronidase alfa-pmph
Applicant
Merck Sharp & Dohme LLC
Center
CDER
First observed release
2025-09-01
Latest observed release
2026-06-01
Newest archive release
2026-06-01
FDA patent list
No patents listed in the captured FDA patent list; source updated 2025-06-11
Coverage
Present in newest release

Latest Known Product Presentations#

Product, Proprietary name, Proper name table
ProductProprietary nameProper nameLicense typeStrengthDosage formRoutePresentationMarketingLicensureApprovalPatent list provided
001Keytruda Qlexpembrolizumab and berahyaluronidase alfa-pmph351(a)395MG/2.4ML; 4,800UNITS/2.4ML (165MG/2,000UNITS/ML)InjectionSubcutaneousSingle-Dose VialRxLicensed2025-09-19
002Keytruda Qlexpembrolizumab and berahyaluronidase alfa-pmph351(a)790MG/4.8ML; 9,600UNITS/4.8ML (165MG/2,000UNITS/ML)InjectionSubcutaneousSingle-Dose VialRxLicensed2025-09-19

Published Patent List#

No patents for this BLA were listed in the FDA Purple Book patent list captured from the source updated 2025-06-11.

Official Monthly Change Events#

Release, Event, Product table
ReleaseEventProductNameLicense typeStatusApplicant
2025-09-01N001Keytruda Qlex351(a)RxMerck Sharp & Dohme LLC
2025-09-01N002Keytruda Qlex351(a)RxMerck Sharp & Dohme LLC

Observed Product State History#

Release, Product, Name table
ReleaseProductNameLicense typeMarketingLicensureApproval
2025-09-01001Keytruda Qlex351(a)RxLicensed2025-09-19
2025-09-01002Keytruda Qlex351(a)RxLicensed2025-09-19