Clinical trial • Phase III • Oncology

BELZUTIFAN for Renal cell carcinoma|Hepatocellular carcinoma|Colorectal cancer (non‑MSI‑H/dMMR)|Pancreatic ductal adenocarcinoma|Bile duct (biliary tract) cancer|Endometrial cancer (non‑MSI‑H/dMMR)|Esophageal squamous cell carcinoma|Pheochromocytoma/Paraganglioma|Pancreatic neuroendocrine tumor|von Hippel‑Lindau (VHL) disease‑associated tumors|Gastrointestinal stromal tumor|Advanced solid tumors with HIF-2α related genetic alterations

Phase III trial of BELZUTIFAN for Renal cell carcinoma|Hepatocellular carcinoma|Colorectal cancer (non‑MSI‑H/dMMR)|Pancreatic ductal adenocarcinoma|Bile d…

Overview

Trial Therapeutic Area
Oncology
Trial Disease
Renal cell carcinoma|Hepatocellular carcinoma|Colorectal cancer (non‑MSI‑H/dMMR)|Pancreatic ductal adenocarcinoma|Bile duct (biliary tract) cancer|Endometrial cancer (non‑MSI‑H/dMMR)|Esophageal squamous cell carcinoma|Pheochromocytoma/Paraganglioma|Pancreatic neuroendocrine tumor|von Hippel‑Lindau (VHL) disease‑associated tumors|Gastrointestinal stromal tumor|Advanced solid tumors with HIF-2α related genetic alterations
Trial Stage
Phase III
Drug Modality
Small molecule

Key dates

Initial CTIS Submission Date
19-12-2025
First CTIS Authorization Date
28-04-2026

Trial design

open-label Phase III trial across 17 sites in Belgium, Czechia, Denmark and others.

Open Label
Yes
Target Sample Size
118

Eligibility

Recruits 118 No vulnerable population selected (isVulnerablePopulationSelected=false); no specific consent/assent handling described.

Vulnerable Population
No vulnerable population selected (isVulnerablePopulationSelected=false); no specific consent/assent handling described

Inclusion criteria

  • {"criterion_text":"-Participants with advanced solid tumors or von Hippel-Lindau-related neoplasms who are participating in belzutifan-containing studies and on active treatment in a belzutifan parent study"}

Exclusion criteria

  • {"criterion_text":"-Has an on-going serious adverse event in the parent study, unless no longer hospitalized and considered clinically stable"}
  • {"criterion_text":"-Is currently on a dose interruption due to an Adverse Event (AE) in the parent study; once treatment has been resumed in the parent study, the participant is eligible to enroll"}

Endpoints

Primary endpoints

  • {"endpoint_text":"-Overall survival (OS)","definition_or_measurement_approach":"To assess OS in Cohort A and Cohort B"}

Secondary endpoints

  • {"endpoint_text":"-Number of Participants Who Experience One or More Adverse Events (AEs)","definition_or_measurement_approach":"Count of participants who experience one or more adverse events (AEs)"}
  • {"endpoint_text":"-Number of Participants Who Discontinue Study Treatment Due to AEs","definition_or_measurement_approach":"Count of participants who discontinue study treatment due to adverse events (AEs)"}

Recruitment

Planned Sample Size
118
Recruitment Window Months
44
Consent Approach
Informed consent obtained from participants using country-specific main consent forms. Main consent documents are provided in country/language-specific versions (examples in the dossier include English, French, Dutch, Spanish, Czech, Danish, German, Hungarian, Polish, Finnish). No assent/guardian consent procedures are described in the available documentation.

Geography

Total Number Of Sites
17
Total Number Of Participants
37

Belgium

Earliest CTIS Part Ii Submission Date
27-03-2026
Latest Decision Or Authorization Date
28-04-2026
Processing Time Days
32
Number Of Sites
1
Number Of Participants
1

Sites

Site Name
UZ Leuven
Department Name
Medical Oncology
Contact Person Name
Benoit Beuselinck
Contact Person Email
benoit.beuselinck@uzleuven.be

Czechia

Earliest CTIS Part Ii Submission Date
05-02-2026
Latest Decision Or Authorization Date
29-04-2026
Processing Time Days
83
Number Of Sites
1
Number Of Participants
2

Sites

Site Name
University Hospital Olomouc
Department Name
Onkologicka klinika
Contact Person Name
Bohuslav Melichar
Contact Person Email
bohuslav.melichar@fnol.cz

Denmark

Earliest CTIS Part Ii Submission Date
14-04-2026
Latest Decision Or Authorization Date
28-04-2026
Processing Time Days
14
Number Of Sites
1
Number Of Participants
1

Sites

Site Name
Region Hovedstaden
Department Name
Deparment of Oncology, KFE
Contact Person Name
Anne Kirstine Møller Darras

France

Earliest CTIS Part Ii Submission Date
20-03-2026
Latest Decision Or Authorization Date
04-05-2026
Processing Time Days
45
Number Of Sites
3
Number Of Participants
4

Sites

Site Name
Oncopole Claudius Regaud
Department Name
Medical Oncology
Contact Person Name
Iphigénie Korakis
Site Name
Institut Gustave Roussy
Department Name
Medical Oncology
Contact Person Name
Laurence Albiges
Site Name
Les Hopitaux Universitaires De Strasbourg
Department Name
Medical Oncology
Contact Person Name
Philippe Barthelemy
Contact Person Email
p.bathelemy@icans.eu

Germany

Earliest CTIS Part Ii Submission Date
27-03-2026
Latest Decision Or Authorization Date
30-04-2026
Processing Time Days
34
Number Of Sites
1
Number Of Participants
1

Sites

Site Name
Universitaetsklinikum Magdeburg AöR
Department Name
"Klinik für Urologie, Uro-Onkologie, robotergestützte und fokale Therapie "
Contact Person Name
Alexander Fehr
Contact Person Email
Alexander.Fehr@med.ovgu.de

Hungary

Earliest CTIS Part Ii Submission Date
02-03-2026
Latest Decision Or Authorization Date
04-05-2026
Processing Time Days
63
Number Of Sites
1
Number Of Participants
1

Sites

Site Name
Orszagos Onkologiai Intezet
Department Name
Gyógyszerterápiás Központ, Urogenitális Tumorok és Klinikai Farmakológiai Osztály, “Kemoterápia C”
Contact Person Name
Lajos Géczi
Contact Person Email
geczi.lajos@oncol.hu

Spain

Earliest CTIS Part Ii Submission Date
14-04-2026
Latest Decision Or Authorization Date
28-04-2026
Processing Time Days
14
Number Of Sites
2
Number Of Participants
17

Sites

Site Name
Hospital Universitari Vall D Hebron
Department Name
Oncología
Contact Person Name
Cristina Suarez Rodriguez
Contact Person Email
csuarez@vhio.net
Site Name
Hospital Universitario 12 De Octubre
Department Name
Oncología
Contact Person Name
Guillermo de Velasco Oria de Rueda
Contact Person Email
gdevelasco.gdv@gmail.com

Netherlands

Earliest CTIS Part Ii Submission Date
30-03-2026
Latest Decision Or Authorization Date
29-04-2026
Processing Time Days
30
Number Of Sites
3
Number Of Participants
4

Sites

Site Name
Het Nederlands Kanker Instituut-Antoni van Leeuwenhoek Ziekenhuis Stichting
Department Name
Medical Oncology
Contact Person Name
John Haanen
Contact Person Email
melanoominterne@nki.nl
Site Name
Isala Klinieken Stichting
Department Name
Medical Oncology
Contact Person Name
Metin Tascilar
Contact Person Email
rioc@isala.nl
Site Name
Academisch Ziekenhuis Maastricht
Department Name
Medical Oncology
Contact Person Name
Maureen Aarts

Poland

Earliest CTIS Part Ii Submission Date
26-03-2026
Latest Decision Or Authorization Date
30-04-2026
Processing Time Days
35
Number Of Sites
2
Number Of Participants
4

Sites

Site Name
Uniwersyteckie Centrum Kliniczne
Department Name
Centrum Wsparcia Badań Klinicznych UCK Ośrodek Badań Klinicznych Wczesnych Faz
Contact Person Name
Rafał Dziadziuszko
Contact Person Email
obkwf@uck.gda.pl
Site Name
Centrum Onkologii Im. Prof. Franciszka Lukaszczyka W Bydgoszczy
Department Name
Ambulatorium Chemioterapii
Contact Person Name
Bogdan Żurawski

Finland

Earliest CTIS Part Ii Submission Date
30-03-2026
Latest Decision Or Authorization Date
05-05-2026
Processing Time Days
36
Number Of Sites
2
Number Of Participants
2

Sites

Site Name
HUS-yhtymae
Department Name
Comprehensive Cancer Center
Contact Person Name
Katriina Jalkanen
Contact Person Email
katriina.jalkanen@hus.fi
Site Name
Tampere University Hospital
Department Name
Department of Oncology
Contact Person Name
Krista Kankaanranta
Contact Person Email
krista.kankaanranta@pirha.fi

Sponsor

Primary sponsor

Full Name
Merck Sharp & Dohme LLC
Organisation Type
Pharmaceutical company
Country Of Registered Address
United States

Contract research organisations

Name
Parexel International Corp.
Responsibilities
EUB services (call center and medical services)
Name
Almac Clinical Technologies LLC

Third parties

  • {"country":"United States","full_name":"Parexel International Corp.","duties_or_roles":"EUB services (call center and medical services)","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Greenphire LLC","duties_or_roles":"Patient Reimbursement and Travel Support","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"United States","full_name":"Almac Clinical Technologies LLC","duties_or_roles":"","organisation_type":"Pharmaceutical company"}

Investigational products

Investigational Product Name
Belzutifan
Active Substance
BELZUTIFAN
Modality
Small molecule
Routes Of Administration
ORAL USE
Route
ORAL USE
Authorisation Status
Authorised (prodAuthStatus=1)
Maximum Dose
240 mg per day (maxDailyDoseAmount=240)
Investigational Product Name
Lenvatinib
Active Substance
LENVATINIB
Modality
Small molecule
Routes Of Administration
ORAL USE
Route
ORAL USE
Authorisation Status
Authorised (prodAuthStatus=1)
Maximum Dose
20 mg per day (maxDailyDoseAmount=20)

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