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NotableLead sponsor: Merck Sharp & Dohme LLC to Merck Sharp & Dohme LLCTrial completed · Enrollment target: estimated 400 to confirmed 393 · Primary and study completion dates changed from estimate of Aug 21, 2026 to Aug 10, 2026 · 4 moreShow 7 more changesShow less
Trial completed
Enrollment target: estimated 400 to confirmed 393
Primary and study completion dates changed from estimate of Aug 21, 2026 to Aug 10, 2026
MinorPrimary and study completion dates: Mar 16, 2026 to May 31, 2026Site details revised at 1 of 38 sitesv49Show 1 more changeShow less
Site details revised at 1 of 38 sites
MinorSite details revised at 2 of 38 sitesv48
MinorSite details revised at 2 of 38 sitesv47
MinorSite details revised at 1 of 38 sitesv46
MinorSite details revised at 1 of 38 sitesv45
MinorStudy sites: 37 to 38v44
MinorStudy sites: 36 to 37v43
MinorStudy sites: 35 to 36v42
MinorStudy sites: 34 to 35v41
MinorSite details revised at 2 of 34 sitesv40
MinorStudy sites: 33 to 34v39
MinorSite details revised at 1 of 33 sitesv38
MinorStudy sites: 31 to 33v37
MinorEnrollment target: 390 to 400Interventions: Belzutifan (Drug), Favezelimab/Pembrolizumab (Biological), Lenvatinib (Drug), Pembrolizumab (Biological), Pembrolizumab/Quavonlimab… to Belzutifan (Drug), Favezelimab/Pembrolizumab (Biological), Lenvatinib (Drug), Pembrolizumab (Biological), Pembrolizumab/Quavonlimab… · Site details revised at 1 of 31 sites · Study arms: 4 to 5v36Show 3 more changesShow less
NotablePrimary and study completion dates: Jun 11, 2025 to Mar 16, 2026v34
Stopped: an ongoing trial was terminated, suspended or withdrawn.
Notable: the trial’s plan changed such as a big move in its timeline or size, a new primary endpoint, sponsor or phase, or recruiting opened or resumed.
Minor: routine progress and housekeeping, such as sites added or enrollment closed.
Substudy 03A is part of a larger research study that is testing experimental treatments for renal cell carcinoma (RCC). The larger study is the umbrella study (U03).
The goal of substudy 03A is to evaluate the safety and efficacy of experimental combinations of investigational agents in participants with advanced first line (1L) clear cell renal cell carcinoma (ccRCC).
This substudy will have two phases: a safety lead-in phase and an efficacy phase. The safety lead-in phase will be used to demonstrate a tolerable safety profile for the combination of investigational agents. There will be no hypothesis testing in this study.