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NCT07227402PHASE3RECRUITING

A Clinical Study of Belzutifan and Zanzalintinib in People With Recurrent Kidney Cancer Following Adjuvant Therapy (MK-6482-033)

A Phase 3, Randomized, Open-label Study of Belzutifan + Zanzalintinib Versus Cabozantinib in Participants With Advanced RCC Who Experienced Disease Recurrence During or After Prior Adjuvant Anti-PD-1/L1 Therapy (LITESPARK-033)

Sponsor: Merck Sharp & Dohme LLC + Exelixis

No open prediction endpoints

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Key Facts

Study type
INTERVENTIONAL
Conditions
Renal Cell Carcinoma
Interventions
Belzutifan, Zanzalintinib, Cabozantinib
Enrollment
904 participants
Primary completion
Feb 2032
Study completion
Feb 2032
First posted
Nov 2025
Last updated
May 2026

Primary Endpoints (CT.gov)

Progression Free Survival (PFS)

Time frame: Up to approximately 73 months

Overall Survival (OS)

Time frame: Up to approximately 73 months

Secondary Endpoints

Objective Response Rate (ORR)

Duration of Response (DOR)

Number of Participants Who Experience One or More Adverse Events (AEs)

Eligibility 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 cancer (RCC) with clear cell component (with or without sarcomatoid features) i.e., Stage IV renal cell cancer per American Joint Committee on Cancer (AJCC) (8th Edition) * Has measurable disease per Response Evaluation Criteria in Solid Tumors 1.1 (RECIST 1.1) * Has disease recurrence during adjuvant anti-programmed cell death 1/programmed cell death ligand 1 (PD-1/L1) therapy or recurrence ≤24 months following the last dose of adjuvant anti-PD-1/L1 therapy * Has received no other prior systemic therapy for their RCC except for their adjuvant anti-PD-1/L1 therapy Exclusion Criteria: The main exclusion criteria include but are not limited to the following: * Has clinically significant cardiovascular disease within 12 months from first dose of study intervention, including New York Heart Association Class III o

Read full criteria on CT.gov →

✦ Analyst Commentary

Expert commentary on why this trial matters and what to watch for.

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Source

Open on ClinicalTrials.gov