WELIREG

Peak

belzutifan

NDAORALTABLETPriority Review
Approved
Aug 2021
Lifecycle
Peak
Competitive Pressure
0/100
Clinical Trials
20

Mechanism of Action

Hypoxia-inducible Factor 2 alpha Inhibitors

Pharmacologic Class:

Hypoxia-inducible Factor Inhibitor

Clinical Trials (5)

NCT07405164Phase 3Recruiting

Extension Study for Participants in Studies That Include Belzutifan (MK-6482-043/LITESPARK-043)

Started Mar 2026
450 enrolled
Von Hippel-Lindau DiseaseCarcinoma, Renal Cell
NCT07187778Phase 2Recruiting

Phase II Trial of Single Agent Belzutifan or Pembrolizumab Versus Combination as Neoadjuvant Therapy in Clear Cell Renal Cell Carcinoma (BLAZE)

Started Dec 2025
10 enrolled
Clear Cell Renal Cell Carcinoma
NCT07227402Phase 3Recruiting

A Clinical Study of Belzutifan and Zanzalintinib in People With Recurrent Kidney Cancer Following Adjuvant Therapy (MK-6482-033)

Started Nov 2025
904 enrolled
Renal Cell Carcinoma
NCT07121959Phase 1Completed

A Study of Belzutifan (MK-6482) and Metformin in Healthy Adult Participants (MK-6482-039)

Started Aug 2025
14 enrolled
Healthy
NCT06903715Phase 1Completed

A Clinical Study of Belzutifan (MK-6482) Alone or With Phenytoin in Healthy Participants (CA46602/MK-6482-035)

Started Mar 2025
14 enrolled
Healthy

Loss of Exclusivity

LOE Date
Jun 30, 2042
198 months away
Patent Expiry
Jun 30, 2042
Exclusivity Expiry
Aug 13, 2028

Patent Records (3)

Patent #ExpiryTypeUse Code
9908845
Sep 5, 2034
SubstanceProduct
U-4176
RE49948
Sep 5, 2034
SubstanceProduct
U-3201
12358870
Jun 30, 2042
Product