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Clinical Trial ● Currently Recruiting Phase I NCT07049926

Substudy 03C: A Study of Combination Therapies in Participants With Renal Cell Carcinoma With Recurrent Disease During or After Anti-PD-(L)1 Therapy (MK-3475-03C/KEYMAKER-U03)

Substudy 03C: A Study of Combination Therapies in Participants With Renal Cell Carcinoma With Recurrent Disease During or After Anti-PD-(L)1 Therapy (MK-3475-03C/KEYMAKER-U03) — Recruiting • Phase I •…

📅 12 May 2026 ⏱ 2 min read
Currently Recruiting
This trial is actively seeking participants in the UK. Discuss eligibility with your patient before referring.
Status
Currently Recruiting
Phase
Phase I
NCT ID
NCT07049926
Sponsor
Merck Sharp & Dohme LLC
Start
2025-07-20
ClinicaliQ Trial Snapshot
  • Substudy 03C: A Study of Combination Therapies in Participants With Renal Cell Carcinoma With Recurrent Disease During or After Anti-PD-(L)1 Therapy (MK-3475-03C/KEYMAKER-U03) — Recruiting • Phase I • Oncology • NCT07049926.
  • Treatment Being Tested: Combination therapies (including pembrolizumab with investigational agents) for refractory renal cell carcinoma in patients with recurrent disease during or after anti-PD-(L)1 therapy.
  • Patient Eligibility Overview: Adults with RCC who have experienced disease progression or recurrence while receiving or after completing anti-PD-(L)1 immunotherapy, representing a treatment-resistant population with limited standard options.
Use This Page For
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What This Trial Is Studying

Substudy 03C 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 03C is to evaluate the safety and efficacy of experimental combinations of investigational agents in participants with clear cell renal cell carcinoma (ccRCC) who have recurrent disease during or after anti-programmed cell death 1/programmed cell death ligand 1 (PD-[L]1) adjuvant therapy. This substudy will have two phases: a safety lead-in phase and an efficacy phase. The safety lead-in phase…

Eligibility Snapshot
  • The main inclusion criteria include but are not limited to the following: * Has a histologically confirmed diagnosis of unresectable locally advanced/metastatic renal cell carcinoma (RCC) with clear cell component * Has received no other prior systemic therapy for treatment of advanced/metastatic clear cell renal cell carcinoma (ccRCC) except for adjuvant programmed cell death ligand 1 (PD-(L)1) therapy * Has disease recurrence during adjuvant anti- PD-(L)1 therapy or ≤24 months following the last dose of adjuvant anti-PD-(L)1 therapy * Is able to swallow oral medication * Submits an archival tumor tissue sample or newly obtained core or excisional biopsy of a tumor lesion not previously irradiated * Participants receiving bone resorptive therapy (must have therapy initiated at least 2 weeks before allocation/randomization) * Has adequately controlled blood pressure (BP) with or without antihypertensive medications, defined as BP ≤140/90 mm Hg with no change in antihypertensive medications within 1 week before allocation/randomization * Has adequate organ function The main

Use the source registry for the full inclusion and exclusion criteria before discussing referral or enrolment.

Full Trial Details
View this trial on the source registry
Eligibility criteria, protocol, and results when available
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