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A Phase 3, Randomized, Double-blind Study of Pembrolizumab (MK-3475) Plus Docetaxel Plus Prednisone Versus Placebo Plus Docetaxel Plus Prednisone in Participants With Chemotherapy-naïve Metastatic Castration-Resistant Prostate Cancer (mCRPC) Who Have Progressed on a Next Generation Hormonal Agent (NHA) (KEYNOTE-921)

Trial Profile

A Phase 3, Randomized, Double-blind Study of Pembrolizumab (MK-3475) Plus Docetaxel Plus Prednisone Versus Placebo Plus Docetaxel Plus Prednisone in Participants With Chemotherapy-naïve Metastatic Castration-Resistant Prostate Cancer (mCRPC) Who Have Progressed on a Next Generation Hormonal Agent (NHA) (KEYNOTE-921)

Status: Discontinued
Phase of Trial: Phase III

Latest Information Update: 22 Jul 2024

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At a glance

  • Drugs Dexamethasone (Primary) ; Docetaxel (Primary) ; Pembrolizumab (Primary) ; Prednisone (Primary)
  • Indications Adenocarcinoma; Prostate cancer
  • Focus Registrational; Therapeutic Use
  • Sponsors Merck Sharp & Dohme Corp.
  • Most Recent Events

    • 17 May 2023 Status changed from active, no longer recruiting to discontinued.
    • 16 Mar 2023 Planned End Date changed from 28 Feb 2025 to 4 Oct 2023.
    • 13 Oct 2022 Time frame to measure the primary endpoints changed from 28 to 36 months.

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