Drug

Belzutifan clinical trials

Also written WELIREG™, MK-6482 and PT2977.

studies test it: 34
open now: 11
in phase 3: 7
first study started: 2016

Keep track of what changes. Save the belzutifan studies recruiting or about to start, and get an email each week — studies that open, close, add sites or post results.

Watch these studies

How studies write it

Studies that test it under each name

Studies by the year they started

34 studies that test it; most in 2025 (6)

Studies that test belzutifan, by start year
Year	Studies
2016	2
2018	3
2020	5
2021	5
2022	5
2024	4
2025	6
2026	4

By phase

A phase 1/2 study counts in both.

Phase 1: 14
Phase 2: 17
Phase 3: 7

What it is tested for

Each study’s main condition, where its own words name it.

Carcinoma, Renal Cell: 18
Neoplasms: 3
Pheochromocytoma: 2
Breast Neoplasms: 1
Kidney Failure, Chronic: 1
Ovarian Neoplasms: 1
Neuroectodermal Tumors, Primitive: 1

Who runs them

Industry 26 · Other 8

Merck Sharp & Dohme LLC (21) · Peloton Therapeutics, Inc., a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA) (4) · Dana-Farber Cancer Institute (2) · M.D. Anderson Cancer Center (2) · Vall d'Hebron Institute of Oncology (1) · HiberCell, Inc. (1) · Cambridge University Hospitals NHS Foundation Trust (1) · José Claudio Casali da Rocha (1)

Often tested with

Tested in the same studies.

Pembrolizumab (6) · Pembrolizumab/Quavonlimab MK-1308A (4) · Lenvatinib (4) · Vibostolimab/Pembrolizumab MK-7684A (2) · Cabozantinib (2) · Favezelimab (2) · Palbociclib (1) · Carboplatin (1)

Studies

Open first, then newest update. How each study uses belzutifan is read from its arms, and is right about nine times in ten.

Testing it · 34

See all 34 studies that test belzutifan →

Given in every arm · 6 — belzutifan is usual care beside what is tested

Codes

What other systems call belzutifan · ClinicalTrials.gg INT001767

MeSH (NLM) C000720612belzutifanConfirmed ClinicalTrials.gov, NLM
UNII (FDA) 7K28NB895LBELZUTIFANConfirmed FDA, NLM, Wikidata
RxNorm 2567226One source FDA
Wikidata Q27456641belzutifanConfirmed FDA, NLM, Wikidata
NCI Thesaurus C135627BelzutifanOne source FDA
DrugBank DB15463One source Wikidata

System	Code	Name there	Checked by
MeSH (NLM)	C000720612	belzutifan	Confirmed ClinicalTrials.gov, NLM
UNII (FDA)	7K28NB895L	BELZUTIFAN	Confirmed FDA, NLM, Wikidata
RxNorm	2567226	—	One source FDA
Wikidata	Q27456641	belzutifan	Confirmed FDA, NLM, Wikidata
NCI Thesaurus	C135627	Belzutifan	One source FDA
DrugBank	DB15463	—	One source Wikidata

“Confirmed” means two independent publishers link the code to this drug; “one source”, one does and its name agrees.