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MK-5684 vs Alternative Abiraterone Acetate or Enzalutamide in mCRPC

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A Phase 3 Randomized, Open-label Study of MK-5684 Versus Alternative Abiraterone Acetate or Enzalutamide in Participants With Metastatic Castration-resistant Prostate Cancer (mCRPC) Previously Treated With Next-generation Hormonal Agent (NHA) and Taxane-based Chemotherapy MRK-1823 (MK5684-003)

  • Sex: Male
  • Age: Adult (18 - 64), Older Adult (65+)
  • Accepting Healthy People: No
  • Type: Interventional / Therapeutic
  • Trial Phase: Phase I
  • Conditions Being Studied: Cancer - Prostate

Study Purpose

This is a phase 3, randomized, open-label study of opevesostat compared to alternative abiraterone acetate or enzalutamide in participants with metastatic castration-resistant prostate cancer (mCRPC) with respect to overall survival (OS) in participants with mCRPC previously treated with next-generation hormonal agent (NHA) and taxane-based chemotherapy. It is hypothesized that opevesostat is superior with respect to OS in androgen receptor ligand binding domain (AR LBD) mutation-negative and -positive participants.

Principal Investigator
Pedro Barata MD
Department/Division
Cancer (Genitourinary)
  • UH IRB: Pro00077265
  • StudyID: MRK1823
  • ClinicalTrials.gov: NCT06136624
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