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Clinical Trial ● Currently Recruiting Phase I NCT05562830

A Substudy of Investigational Agents in Programmed Cell Death-1/Ligand 1 (PD-1/L1) Refractory Locally Advanced or Metastatic Urothelial Carcinoma (mUC) (MK-3475-04A)

A Substudy of Investigational Agents in Programmed Cell Death-1/Ligand 1 (PD-1/L1) Refractory Locally Advanced or Metastatic Urothelial Carcinoma (mUC) (MK-3475-04A) — Recruiting • Phase I • Oncology •…

📅 29 Apr 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
NCT05562830
Sponsor
Merck Sharp & Dohme LLC
Start
2022-11-16
ClinicaliQ Trial Snapshot
  • A Substudy of Investigational Agents in Programmed Cell Death-1/Ligand 1 (PD-1/L1) Refractory Locally Advanced or Metastatic Urothelial Carcinoma (mUC) (MK-3475-04A) — Recruiting • Phase I • Oncology • NCT05562830.
  • Treatment being tested: Investigational agents administered alone or in combination with pembrolizumab (a PD-1 inhibitor) in patients with PD-1/L1-refractory urothelial carcinoma, addressing an unmet clinical need in treatment-resistant disease.
  • Patient eligibility overview: The substudy enrolls patients with locally advanced or metastatic urothelial carcinoma who have demonstrated progression or inadequate response to prior PD-1/L1 checkpoint inhibitor therapy, representing a challenging patient population with limited options.
Use This Page For
  • Quick orientation before opening the registry record.
  • Checking recruitment status, phase and sponsor at a glance.
  • Connecting this trial to nearby guidelines, Drug Science and education.
What This Trial Is Studying

This substudy is part of an umbrella platform study which is designed to evaluate investigational agents with or without pembrolizumab in participants with urothelial carcinoma who are in need of new treatment options. Substudy 04A will enroll participants with locally advanced or mUC whose disease is resistant to treatment with programmed cell death-1/ligand 1 (PD-1/L1) inhibitors. The protocol infrastructure will enable the rolling assignment of investigational treatments.

Eligibility Snapshot
  • : The main inclusion and

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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