Belzutifan plus zanzalintinib versus belzutifan alone for advanced renal cell carcinoma
Official title: 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)
Run by Merck Sharp & Dohme LLC · NCT07489495 · Data updated 2026-11-12
This trial tests whether adding the targeted drug zanzalintinib to belzutifan helps people with advanced renal cell carcinoma live longer and delay tumor growth compared with belzutifan plus placebo.
Quick facts
| Phase | Phase 3 |
|---|---|
| Study type | Interventional |
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 758 (estimated) |
| Sponsor | Merck Sharp & Dohme LLC Industry-sponsored |
| Drugs / interventions | zanzalintinib |
| Locations | 111 sites (Duarte, California and 110 other locations) |
| Status | Recruiting |
| Started | April 9, 2026 |
| Main results expected | November 27, 2030 |
| Study ends | November 27, 2030 |
| Registry record updated | November 10, 2026 |
| Trial ID | NCT07489495 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates have unresectable, advanced clear-cell renal cell carcinoma with measurable disease, have had no more than three prior systemic regimens (including only one prior PD-1/PD-L1 therapy), and meet standard safety criteria for investigational targeted therapies.
✕Probably not a fit
Patients without a clear-cell component, those who require chronic supplemental oxygen, have recent significant cardiovascular disease, or many prior lines of therapy may be unlikely to benefit or may be excluded from the study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This randomized Phase 3 trial compares belzutifan combined with zanzalintinib to belzutifan plus placebo in people with unresectable, advanced renal cell carcinoma that has a clear-cell component. Eligible participants must have measurable disease and may have received up to three prior systemic therapies, including no more than one prior PD-1/PD-L1 inhibitor. The co-primary goals are to compare overall survival and time without disease worsening (progression-free survival) between the two treatment arms. The multicenter international study is sponsored by Merck Sharp & Dohme with collaboration from Exelixis and is open at sites in countries including Argentina and Australia.
Why it matters
Potential benefit: If successful, adding zanzalintinib to belzutifan could help people with advanced RCC live longer and keep their cancer under control for a longer time.
How similar studies have gone: Belzutifan has shown activity in RCC and combinations of targeted agents have improved outcomes in some prior RCC settings, but combining belzutifan with zanzalintinib is a new approach being tested in this Phase 3 trial.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: The main inclusion criteria include but are not limited to the following: * 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 Exclusion Criteria: For exclusion criteria: The main exclusion criteria include but are not limited to the following: * 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
Where it's running
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City of Hope Comprehensive Cancer Center ( Site 0129)
Duarte, California, United States Recruiting -
City of Hope Lennar Foundation Cancer Center ( Site 0142)
Irvine, California, United States Recruiting -
Northwest Georgia Oncology Centers, a Service of Wellstar Cobb Hospital ( Site 0102)
Marietta, Georgia, United States Recruiting -
University of Louisville, James Graham Brown Cancer Center ( Site 0133)
Louisville, Kentucky, United States Recruiting -
Norton Women's and Children's Hospital-Norton Cancer Institute - St. Matthews ( Site 0104)
Louisville, Kentucky, United States Recruiting -
Beth Israel Deaconess Medical Center ( Site 0139)
Boston, Massachusetts, United States Recruiting
Show 44 more locations
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Dana Farber Cancer Institute ( Site 0135)
Boston, Massachusetts, United States Recruiting -
The Cancer and Hematology Centers ( Site 0123)
Grand Rapids, Michigan, United States Recruiting -
Washington University School of Medicine ( Site 0114)
St Louis, Missouri, United States Recruiting -
John Theurer Cancer Center at Hackensack University Medical Center ( Site 0108)
Hackensack, New Jersey, United States Recruiting -
Atlantic Health System Morristown Medical Center ( Site 0109)
Morristown, New Jersey, United States Recruiting -
Memorial Sloan Kettering Cancer Center ( Site 0126)
New York, New York, United States Recruiting -
The West Clinic, P.C. ( Site 0115)
Germantown, Tennessee, United States Recruiting -
UT Southwestern Medical Center ( Site 0119)
Dallas, Texas, United States Recruiting -
Centro Oncologico Korben ( Site 0254)
Caba, Buenos Aires, Argentina Recruiting -
Hospital Italiano de Buenos Aires ( Site 0253)
Ciudad de Buenos Aires, Buenos Aires, Argentina Recruiting -
Instituto de Investigaciones Clinicas Mar del Plata ( Site 0250)
Mar del Plata, Buenos Aires, Argentina Recruiting -
Centro Privado de RMI Río Cuarto S.A. II ( Site 0255)
Río Cuarto, Córdoba Province, Argentina Recruiting -
Sanatorio Parque ( Site 0251)
Rosario, Santa Fe Province, Argentina Recruiting -
Instituto de Oncología de Rosario ( Site 0257)
Rosario, Santa Fe Province, Argentina Recruiting -
Instituto Alexander Fleming ( Site 0252)
Caba, Argentina Recruiting -
Centro Oncológico Riojano Integral ( Site 0256)
La Rioja, Argentina Recruiting -
COE (Centro Oncológico de Excelencia) ( Site 0259)
San Juan, Argentina Recruiting -
CEDOES ( Site 0303)
Vitória, Espírito Santo, Brazil Recruiting -
Instituto do Câncer e Transplante de Curitiba ( Site 0300)
Curitiba, Paraná, Brazil Recruiting -
Liga Norte Riograndense Contra o Câncer ( Site 0307)
Natal, Rio Grande do Norte, Brazil Recruiting -
Hope - Humanizacao Em Oncologia, Pesquisa E Ensino ( Site 0306)
Ribeirão Preto, São Paulo, Brazil Recruiting -
Fundação Faculdade Regional de Medicina de São José do Rio Preto ( Site 0302)
São José do Rio Preto, São Paulo, Brazil Recruiting -
The Ottawa Hospital Cancer Centre ( Site 0003)
Ottawa, Ontario, Canada Recruiting -
Centre intégré de cancérologie du CHU de Québec Université Laval, Hôpital de l'Enfant-Jésus ( Site 0001)
Québec, Quebec, Canada Recruiting -
IC La Serena Research ( Site 0405)
La Serena, Coquimbo Region, Chile Recruiting -
Clínica Puerto Montt ( Site 0404)
Port Montt, Los Lagos Region, Chile Recruiting -
Fundacion Arturo Lopez Perez ( Site 0401)
Santiago, Region M. de Santiago, Chile Recruiting -
Bradfordhill ( Site 0400)
Santiago, Region M. de Santiago, Chile Recruiting -
ONCOCENTRO APYS ( Site 0403)
Viña del Mar, Valparaiso, Chile Recruiting -
Masarykuv onkologicky ustav ( Site 0903)
Brno, Brno-mesto, Czechia Recruiting -
Fakultni nemocnice Ostrava ( Site 0904)
Ostrava, Ostrava Mesto, Czechia Recruiting -
Fakultni nemocnice Hradec Kralove ( Site 0902)
Hradec Králové, Czechia Recruiting -
Fakultni nemocnice Olomouc ( Site 0901)
Olomouc, Czechia Recruiting -
Fakulti poliklinika ( Site 0906)
Prague, Czechia Recruiting -
Fakultni nemocnice v Motole ( Site 0900)
Prague, Czechia Recruiting -
Herlev Hospital ( Site 1002)
Herlev, Capital Region, Denmark Recruiting -
Aarhus Universitetshospital, Skejby ( Site 1001)
Aarhus, Central Jutland, Denmark Recruiting -
Odense Universitets Hospital ( Site 1000)
Odense, Region Syddanmark, Denmark Recruiting -
Centre Antoine Lacassagne ( Site 1209)
Nice, Alpes-Maritimes, France Recruiting -
Hopital Europeen Marseille ( Site 1216)
Marseille, Bouches-du-Rhone, France Recruiting -
LBM ONCOPOLE CLAUDIUS REGAUD ( Site 1215)
Toulouse, Haute-Garonne, France Recruiting -
CHU Angers ( Site 1204)
Angers, Maine-et-Loire, France Recruiting -
Clinique Victor Hugo Le Mans-Oncology-Radiotherapy ( Site 1203)
Le Mans, Pays de la Loire Region, France Recruiting -
CHU de Saint-Etienne ( Site 1202)
Saint Priest En Jarez, Pays de la Loire Region, France Recruiting
+61 more sites. See ClinicalTrials.gov for the full list.
Study contacts
- Study coordinator: Toll Free Number
- Email: Trialsites@msd.com
- Phone: 1-888-577-8839
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.