Keynote Trials for Prostate Cancer

As the sponsor of the Keynote Oncology Clinical Trials, Merck is passionate about improving health. We are committed to accelerating every step in the journey in our quest to bring treatment options to people with cancer.

Below are trials currently being conducted in prostate cancer, evaluating the investigational study drug, pembrolizumab (MK-3475).

Active Clinical Trials

The cancer types listed below currently have active trial listings on clinicaltrials.gov. Click on a study name to be directed to that trial's information, or call 1-888-577-8839 to find a study site near you for the trial you are interested in.

keynote trial image

Study of Pembrolizumab in Participants With Metastatic Castration-Resistant Prostate Cancer Previously Treated With Chemotherapy

This is a study of pembrolizumab (MK-3475) in participants with metastatic castration-resistant prostate cancer (mCRPC) previously treated with docetaxel-based chemotherapy. Participants will be enrolled into one of three cohorts: Cohort 1 (participants with programmed cell death ligand 1 [PD-L1]-positive, measurable disease), Cohort 2 (participants with PD-L1 negative, measurable disease), or Cohort 3 (participants with bone-metastases and non-measurable disease)

more about the study
keynote trial image

Study of Pembrolizumab Combination Therapies in Metastatic Castration-Resistant Prostate Cancer

The purpose of this study is to assess the safety and efficacy of pembrolizumab (MK-3475) combination therapy in patients with metastatic castrate resistant prostate cancer (mCRPC). There will be three cohorts in this study with 70 participants enrolled in each cohort: Cohort A will receive pembrolizumab + olaparib, Cohort B will receive pembrolizumab + docetaxel + prednisone, and Cohort C will receive pembrolizumab + enzalutamide. Outcome measures will be assessed individually for each cohort.

more about the study

Clinical Trials: Important Information to Consider

There is a lot to consider when deciding whether to participate in a clinical study. Any clinical study includes risks, which the study doctor will review with you. Make sure you understand the risks before participating.