Trial Profile

A Phase 3, Randomized, Double-blind Study to Evaluate Perioperative Pembrolizumab (MK-3475) + Neoadjuvant Chemotherapy Versus Perioperative Placebo + Neoadjuvant Chemotherapy in Cisplatin-eligible Participants With Muscle-invasive Bladder Cancer (KEYNOTE-866)

Status: Completed

Phase of Trial: Phase III

Latest Information Update: 16 Jul 2026

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At a glance

28 May 2026 Status changed from active, no longer recruiting to completed.
28 Aug 2025 Planned primary completion date changed from 2 Sep 2025 to 26 Jan 2026.
24 Mar 2025 Planned End Date changed from 15 Jun 2025 to 1 Sep 2026.

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