Besremi Purple Book BLA 761166

BLA number
761166
Proprietary names
Besremi
Proper names
ropeginterferon alfa-2b-njft
Applicant
PharmaEssentia Corporation
Center
CDER
First observed release
2021-11-01
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
001Besremiropeginterferon alfa-2b-njft351(a)500MCG/MLInjectionSubcutaneousPre-Filled SyringeRxLicensed2021-11-12

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
2022-01-01U001Besremi351(a)RxPharmaEssentia Corporation
2021-11-01N001Besremi351(a)RxPharmaEssentia Corporation

Observed Product State History#

Release, Product, Name table
ReleaseProductNameLicense typeMarketingLicensureApproval
2021-11-01001Besremi351(a)RxLicensed2021-11-12