A Clinical Study of Belzutifan (MK-6482) and Zanzalintinib in People With Renal Cell Carcinoma (RCC) (LITESPARK-034/LS-034/MK-6482-034)
A Phase 3, Randomized, Double-blind, Study of Belzutifan + Zanzalintinib Versus Belzutifan + Placebo in Participants With Advanced RCC Who Have Progressed on or After Both PD-1/L1 and VEGF-TKI Therapies in Sequence or in Combination (LITESPARK-034)
6 other identifiers
interventional
758
19 countries
92
Brief Summary
Researchers are looking for new ways to treat advanced renal cell carcinoma (RCC). A standard (usual) treatment for certain people with RCC is belzutifan (a study medicine), which is a targeted therapy. Targeted therapy is a treatment that works to control how specific types of cancer cells grow and spread. Researchers want to learn if adding another targeted therapy called zanzalintinib (another study medicine) can treat more people with advanced RCC than belzutifan alone. The goal of this study is to learn if people who receive belzutifan and zanzalintinib live longer overall and without the cancer getting worse compared to people who receive belzutifan and placebo.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_3
Started Apr 2026
Longer than P75 for phase_3
92 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
March 20, 2026
CompletedFirst Posted
Study publicly available on registry
March 24, 2026
CompletedStudy Start
First participant enrolled
April 9, 2026
CompletedPrimary Completion
Last participant's last visit for primary outcome
November 27, 2030
ExpectedStudy Completion
Last participant's last visit for all outcomes
November 27, 2030
September 25, 2026
September 1, 2026
4.6 years
March 20, 2026
September 24, 2026
Conditions
Outcome Measures
Primary Outcomes (2)
Progression-free Survival (PFS)
PFS is defined as the time from randomization to the first documented disease progression per Response Evaluation Criteria in Solid Tumors Version 1.1 (RECIST 1.1) based on blinded independent central review (BICR) or death due to any cause, whichever occurs first.
Up to approximately 30 months
Overall Survival (OS)
OS is defined as the time from randomization to death due to any cause.
Up to approximately 50 months
Secondary Outcomes (12)
Objective Response Rate (ORR)
Up to approximately 30 months
Duration of Response (DOR)
Up to approximately 30 months
Number of Participants Who Experience One or More Adverse Events (AEs)
Up to approximately 25 months
Number of Participants who Discontinue Study Treatment Due to an AE
Up to approximately 24 months
Change from Baseline in European Organisation for Research and Treatment of Cancer Quality of Life Questionnaire-Core 30 (EORTC QLQ-C30) Global Health Status (Item 29) and Quality of Life (Item 30) Combined Score
Baseline and up to approximately 25 months
- +7 more secondary outcomes
Study Arms (2)
Belzutifan + Zanzalintinib
EXPERIMENTALParticipants will receive 120 mg belzutifan orally and 60 mg zanzalintinib once daily for approximately 24 months.
Belzutifan + Placebo
ACTIVE COMPARATORParticipants will receive 120 mg belzutifan orally and zanzalintinib-matching placebo once daily for approximately 24 months.
Interventions
Tablet for oral administration.
Eligibility Criteria
You may qualify if:
- Has a histologically confirmed diagnosis of unresectable, advanced renal cell carcinoma (RCC) with clear cell component (with or without sarcomatoid features) ie, Stage IV RCC per American Joint Committee on Cancer (8th Edition)
- Has measurable disease per Response Evaluation Criteria In Solid Tumors Version 1.1 (RECIST 1.1)
- Has received no more than 3 prior systemic regimens for RCC, including only 1 prior anti-Programmed Cell Death-1/Programmed Cell Death 1 Ligand 1 therapy
You may not qualify if:
- Has any of the following: a pulse oximeter reading \<92% at rest, requires intermittent supplemental oxygen, or required chronic supplemental oxygen
- Has clinically significant cardiovascular disease within 12 months from first dose of study intervention
- Has deep vein thrombosis within 3 months before randomization unless stable, asymptomatic, and treated with therapeutic anticoagulation for at least 4 weeks before randomization
- Has a left ventricular ejection fraction ≤50% or below the institutional (or local laboratory) normal range as determined by multigated acquisition or echocardiogram
- Has had major surgery within 8 weeks before randomization
- Has current pneumonitis/interstitial lung disease
- Has a history of human immunodeficiency virus infection
- Has Hepatitis B or Hepatitis C virus infection
- Has a known additional malignancy that is progressing or has required active treatment within the past 3 years
- Has a history of solid organ transplant
- Has not adequately recovered from major surgery or has ongoing surgical complications
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Merck Sharp & Dohme LLClead
- Exelixiscollaborator
Study Sites (92)
Northwest Georgia Oncology Centers, a Service of Wellstar Cobb Hospital ( Site 0102)
Marietta, Georgia, 30060, United States
Washington University School of Medicine ( Site 0114)
St Louis, Missouri, 63110, United States
Memorial Sloan Kettering Cancer Center ( Site 0126)
New York, New York, 10065, United States
The West Clinic, P.C. ( Site 0115)
Germantown, Tennessee, 38138, United States
Centro Oncologico Korben ( Site 0254)
CABA, Buenos Aires, C1426AHB, Argentina
Hospital Italiano de Buenos Aires ( Site 0253)
Ciudad de Buenos Aires, Buenos Aires, 1181, Argentina
Instituto de Investigaciones Clinicas Mar del Plata ( Site 0250)
Mar del Plata, Buenos Aires, B7600FZO, Argentina
Centro Privado de RMI Río Cuarto S.A. II ( Site 0255)
Río Cuarto, Córdoba Province, X5800ALB, Argentina
Sanatorio Parque ( Site 0251)
Rosario, Santa Fe Province, S2000DSV, Argentina
Instituto de Oncología de Rosario ( Site 0257)
Rosario, Santa Fe Province, S2000KZE, Argentina
Instituto Alexander Fleming ( Site 0252)
CABA, C1426ANZ, Argentina
Centro Oncológico Riojano Integral ( Site 0256)
La Rioja, X5004BAL, Argentina
COE (Centro Oncológico de Excelencia) ( Site 0259)
San Juan, J5402BGA, Argentina
Macquarie University ( Site 2700)
Macquarie University, New South Wales, 2109, Australia
Princess Alexandra Hospital ( Site 2703)
Woolloongabba, Queensland, 4102, Australia
Peter MacCallum Cancer Centre ( Site 2702)
Melbourne, Victoria, 3000, Australia
CEDOES ( Site 0303)
Vitória, Espírito Santo, 29055-450, Brazil
Instituto do Câncer e Transplante de Curitiba ( Site 0300)
Curitiba, Paraná, 80510-130, Brazil
Liga Norte Riograndense Contra o Câncer ( Site 0307)
Natal, Rio Grande do Norte, 59062-000, Brazil
Hope - Humanizacao Em Oncologia, Pesquisa E Ensino ( Site 0306)
Ribeirão Preto, São Paulo, 14026-610, Brazil
Fundação Faculdade Regional de Medicina de São José do Rio Preto ( Site 0302)
São José do Rio Preto, São Paulo, 15090-000, Brazil
The Ottawa Hospital Cancer Centre ( Site 0003)
Ottawa, Ontario, K1H 8L6, Canada
IC La Serena Research ( Site 0405)
La Serena, Coquimbo Region, 1720430, Chile
Clínica Puerto Montt ( Site 0404)
Port Montt, Los Lagos Region, 5500243, Chile
Fundacion Arturo Lopez Perez ( Site 0401)
Santiago, Region M. de Santiago, 7500921, Chile
Bradfordhill ( Site 0400)
Santiago, Region M. de Santiago, 8420383, Chile
ONCOCENTRO APYS ( Site 0403)
Viña del Mar, Valparaiso, 2520598, Chile
Masarykuv onkologicky ustav ( Site 0903)
Brno, Brno-mesto, 656 53, Czechia
Fakultni nemocnice Ostrava ( Site 0904)
Ostrava, Ostrava Mesto, 708 52, Czechia
Fakultni nemocnice Hradec Kralove ( Site 0902)
Hradec Králové, 500 05, Czechia
Fakultni nemocnice Olomouc ( Site 0901)
Olomouc, 779 00, Czechia
Fakulti poliklinika ( Site 0906)
Prague, 128 08, Czechia
Fakultni nemocnice v Motole ( Site 0900)
Prague, 150 06, Czechia
Herlev Hospital ( Site 1002)
Herlev, Capital Region, 2730, Denmark
Aarhus Universitetshospital, Skejby ( Site 1001)
Aarhus, Central Jutland, 8200, Denmark
Centre Antoine Lacassagne ( Site 1209)
Nice, Alpes-Maritimes, 06189, France
Hopital Europeen Marseille ( Site 1216)
Marseille, Bouches-du-Rhone, 13003, France
LBM ONCOPOLE CLAUDIUS REGAUD ( Site 1215)
Toulouse, Haute-Garonne, 31059, France
CHU Angers ( Site 1204)
Angers, Maine-et-Loire, 49933, France
Clinique Victor Hugo Le Mans-Oncology-Radiotherapy ( Site 1203)
Le Mans, Pays de la Loire Region, 72000, France
CHU de Saint-Etienne ( Site 1202)
Saint Priest En Jarez, Pays de la Loire Region, 42271, France
Universitaetsklinikum Augsburg ( Site 1316)
Augsburg, Bavaria, 86156, Germany
klinikum rechts der isar der technischen universität münchen ( Site 1315)
Munich, Bavaria, 81675, Germany
Universitätsklinikum Jena ( Site 1313)
Jena, Thuringia, 07747, Germany
Charité Universitaetsmedizin Berlin - Campus Mitte ( Site 1312)
Berlin, 10117, Germany
Alexandra General Hospital of Athens ( Site 1400)
Athens, Attica, 115 28, Greece
ATTIKON GENERAL UNIVERSITY HOSPITAL ( Site 1401)
Athens, Attica, 124 62, Greece
Metropolitan Hospital ( Site 1402)
Athens, Attica, 185 47, Greece
Rambam Health Care Campus ( Site 1600)
Haifa, 3109601, Israel
Meir Medical Center. ( Site 1603)
Kfar Saba, 4428164, Israel
Rabin Medical Center ( Site 1602)
Petah Tikva, 4941492, Israel
Sheba Medical Center ( Site 1601)
Ramat Gan, 5265601, Israel
IRCCS - Istituto Romagnolo per lo Studio dei Tumori (IRST) "Dino Amadori" ( Site 1809)
Meldola, Emilia-Romagna, 47014, Italy
Istituto Clinico Humanitas ( Site 1808)
Rozzano, Milano, 20089, Italy
Istituto Oncologico Veneto IRCCS ( Site 1806)
Catselfranco Veneto, Padova, 31033, Italy
Azienda Ospedaliera Universitaria Careggi ( Site 1807)
Florence, Tuscany, 50134, Italy
A.O.U.C. Policlinico di Bari ( Site 1802)
Bari, 70124, Italy
IRCCS Azienda Ospedaliero-Universitaria di Bologna, Policlinico di Sant'Orsola ( Site 1803)
Bologna, 40138, Italy
Fondazione IRCCS Istituto Nazionale dei Tumori ( Site 1800)
Milan, 20133, Italy
AO Santa Maria della Misericordia ( Site 1805)
Perugia, 06132, Italy
Istituto Nazionale Tumori Regina Elena ( Site 1804)
Roma, 00144, Italy
Fondazione Policlinico Universitario Agostino Gemelli IRCCS - Università Cattolica del Sacro Cuore ( Site 1801)
Roma, 00168, Italy
Maastricht UMC+ ( Site 1901)
Maastricht, Limburg, 6229 HX, Netherlands
Nederlands Kanker Instituut Antoni van Leeuwenhoek (NKI AVL) ( Site 1900)
Amsterdam, North Holland, 1066 CX, Netherlands
Haga Ziekenhuis locatie Leyweg ( Site 1906)
The Hague, South Holland, 2545 AA, Netherlands
AIDPORT Sp. z o.o. ( Site 2118)
Skórzewo, Greater Poland Voivodeship, 60-185, Poland
Pratia MCM Krakow ( Site 2115)
Krakow, Lesser Poland Voivodeship, 30-727, Poland
Mazowiecki Szpital Wojewódzki w Siedlcach-Siedleckie Centrum Onkologii ( Site 2102)
Siedlce, Masovian Voivodeship, 08-110, Poland
MTZ Clinical Research Powered by Pratia ( Site 2107)
Warsaw, Masovian Voivodeship, 02-172, Poland
Narodowy Instytut Onkologii im. Marii Sklodowskiej-Curie - P-Klinika Nowotworów Układu Moczowego ( Site 2100)
Warsaw, Masovian Voivodeship, 02-781, Poland
Narodowy Instytut Onkologii - Oddzial w Gliwicach ( Site 2106)
Gliwice, Silesian Voivodeship, 44-102, Poland
Severance Hospital, Yonsei University Health System ( Site 2903)
Seoul, 03722, South Korea
Asan Medical Center ( Site 2901)
Seoul, 05505, South Korea
Samsung Medical Center ( Site 2902)
Seoul, 06351, South Korea
Hospital Universitario Virgen del Rocio ( Site 2306)
Seville, Andalusia, 41013, Spain
Institut Català d'Oncologia - L'Hospitalet ( Site 2305)
L'Hospitalet de Llobregat, Barcelona, 08908, Spain
HOSPITAL GENERAL UNIVERSITARIO GREGORIO MARAÑON ( Site 2301)
Madrid, Madrid, Comunidad de, 28007, Spain
Hospital Universitari Vall d Hebron ( Site 2303)
Barcelona, 08035, Spain
Hospital Insular de Gran Canaria ( Site 2308)
Las Palmas, 35016, Spain
Hospital Universitario 12 de Octubre ( Site 2300)
Madrid, 28041, Spain
Fundación Instituto Valenciano de Oncología ( Site 2307)
Valencia, 46009, Spain
Hacettepe Universite Hastaneleri ( Site 2500)
Sıhhiye, Ankara, 06230, Turkey (Türkiye)
Adana Medical Park Seyhan Hastanesi ( Site 2505)
Adana, 01140, Turkey (Türkiye)
Ankara University Health Practice and Research Hospitals ( Site 2506)
Ankara, 06620, Turkey (Türkiye)
Trakya University Medical Faculty Hospital ( Site 2502)
Edirne, 22030, Turkey (Türkiye)
Koc Universitesi Hastanesi ( Site 2501)
Istanbul, 34010, Turkey (Türkiye)
Western General Hospital ( Site 2608)
Edinburgh, Edinburgh, City of, EH4 2XU, United Kingdom
The Beatson West of Scotland Cancer Centre ( Site 2602)
Glasgow, Glasgow City, G12 0YN, United Kingdom
Leicester Royal Infirmary ( Site 2604)
Leicester, Leicestershire, LE1 5WW, United Kingdom
The Christie Hospital NHS Foundation Trust ( Site 2601)
Withington, Manchester, M20 4BX, United Kingdom
University Hospitals Birmingham NHS Foundation Trust ( Site 2610)
Birmingham, B15 2GW, United Kingdom
University Hospital of Southampton ( Site 2606)
Southampton, SO16 6YD, United Kingdom
Related Links
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Medical Director
Merck Sharp & Dohme LLC
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- RANDOMIZED
- Masking
- TRIPLE
- Who Masked
- PARTICIPANT, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
March 20, 2026
First Posted
March 24, 2026
Study Start
April 9, 2026
Primary Completion (Estimated)
November 27, 2030
Study Completion (Estimated)
November 27, 2030
Last Updated
September 25, 2026
Record last verified: 2026-09
Data Sharing
- IPD Sharing
- Will share
https://trialstransparency.msdclinicaltrials.com/pdf/ProcedureAccessClinicalTrialData.pdf