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  1. pharmadog
  2. ›drugs
  3. ›Welireg
drug · small molecule
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belzutifan

Marketedupdated 3mo ago
by $MRK Merck & Co., Inc.🔗 ChEMBL
Approved
community read0 votes

Small molecule drug with a maximum clinical stage of Approval (across all indications), with 5 approved and 3 investigational indications.

targets

Endothelial PAS domain-containing protein 1

all catalysts(0)

nothing on the calendar yet

Trials studying belzutifan

  • phase3A Study of Pembrolizumab (MK-3475) in Combination With Belzutifan (MK-6482) and Lenvatinib (MK-7902), or Pembrolizumab/Quavonlimab (MK-1308A) in Combination With Lenvatinib, Versus Pembrolizumab and Lenvatinib, for Treatment of Advanced Clear Cell Renal Cell Carcinoma (MK-6482-012)active not recruitingn=1,854
  • phase2A Study of Belzutifan in Adolescent Participants With Solid Tumors (MK-9999-01E/LIGHTBEAM-U01)not yet recruitingn=15
  • phase3Extension Study for Participants in Studies That Include Belzutifan (MK-6482-043/LITESPARK-043)recruitingn=450
  • phase2Belzutifan/MK-6482 for the Treatment of Advanced Pheochromocytoma/Paraganglioma (PPGL), Pancreatic Neuroendocrine Tumor (pNET), Von Hippel-Lindau (VHL) Disease-Associated Tumors, Advanced Gastrointestinal Stromal Tumor (wt GIST), or Solid Tumors With HIF-2α Related Genetic Alterations (MK-6482-015)recruitingn=355
  • phase3A Clinical Study of Belzutifan and Zanzalintinib in People With Recurrent Kidney Cancer Following Adjuvant Therapy (MK-6482-033)recruitingn=904
  • phase3A Clinical Study of Belzutifan (MK-6482) and Zanzalintinib in People With Renal Cell Carcinoma (RCC) (LITESPARK-034/LS-034/MK-6482-034)recruitingn=758
  • phase2Phase II Trial of Single Agent Belzutifan or Pembrolizumab Versus Combination as Neoadjuvant Therapy in Clear Cell Renal Cell Carcinoma (BLAZE)recruitingn=10
  • phase2Study of Belzutifan (MK-6482) Plus Fulvestrant for ER+/HER2- Metastatic Breast Cancer (MK-6482-029/LITESPARK-029)recruitingn=120
more trials →

Patent cliff

source: FDA Orange Book
first barrier falls
Dec 14, 2026
120 days

Earliest of all listed patents + FDA exclusivities. Generic / biosimilar entry typically only becomes possible AFTER both patent and exclusivity barriers expire.

patents (3)

  • Jun 30, 2042formulationUS 12358870
  • Sep 5, 2034compositionUS 9908845
  • Sep 5, 2034compositionUS RE49948

FDA exclusivities (4)

  • Aug 13, 2028ODE-364Orphan Drug (7y)2.0y
  • May 14, 2028I-968Indication (3y)1.7y
  • Dec 14, 2026I-931Indication (3y)120d
  • Aug 13, 2026NCENew Chemical Entity (5y)

News(4)

  • Earnings roundup: Gilead’s ‘uncertain’ future, Pfizer’s crossroads and Merck’s PCSK9 launch
    Some analysts see warning signs in crucial drug launches from Gilead and Merck, while an important trial readout could change Pfizer’s growth trajectory.
    biopharma_dive · 9d ago
  • Merck’s $10.8B Prometheus deal delivers another win—plus a Phase 2b miss
    The anti-TL1A antibody from Merck's 2023 Prometheus buy delivered positive mid-stage results in a skin condition but failed in a certain type of lung disease, the Big Pharma revealed alongside seco…
    biospace · 10d ago
  • Merck brings Welireg-Keytruda combo to treat kidney cancer
    Merck’s Welireg and Keytruda combination won approval as an adjuvant treatment for kidney cancer patients after surgery to remove all or part of the organ. The combination was approved Friday for ...
    endpoints · 2mo ago
  • Merck still sees ‘compelling’ outlook for Terns leukemia drug
    Despite updated study data that suggest Terns’ treatment may be less differentiated, company executives claimed Thursday that it still could be an important step forward in care.
    biopharma_dive · 3mo ago
brand
Welireg
trade names
Welireg
generic
belzutifan
MOA
Endothelial PAS domain-containing protein 1 inhibitor
indication
Renal Cell Carcinoma
phase
marketed
Data sources
ClinicalTrials.gov · OpenTargets
last refreshed 13m ago
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