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Recruiting Phase 2 NCT05568550

NCT05568550 Pembro With Radiation With or Without Olaparib

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Clinical Trial Summary
NCT ID NCT05568550
Status Recruiting
Phase Phase 2
Sponsor Zin W Myint
Condition Prostate Cancer
Study Type INTERVENTIONAL
Enrollment 64 participants
Start Date 2023-07-27
Primary Completion 2027-12-02

Eligibility & Interventions

Sex Male only
Min Age 18 Years
Max Age N/A
Study Type INTERVENTIONAL
Interventions
PembrolizumabOlaparibAndrogen Deprivation Therapy

Eligibility Fast-Check

Enter your details for a quick preliminary check. This does not replace medical advice.

What to Expect as a Participant

You will actively receive the study intervention — which may be a drug, biologic, device, or procedure.

In Phase 2, researchers evaluate early signs of effectiveness. You may be randomized to receive the active treatment or a comparator. Monitoring continues closely.

This trial targets 64 participants in total. It began in 2023-07-27 with a primary completion date of 2027-12-02.

⚠ This information is for research awareness only. Always consult your physician before joining any clinical trial. Participation is voluntary and you may withdraw at any time.

Brief Summary

This trial will evaluate whether the immune-sensitizing effects of immunotherapy (Pembrolizumab) and radiation with or without a PARP-inhibitor (Olaparib) will increase the effects of immunotherapy in men with high-risk localized prostate cancer.

Eligibility Criteria

Inclusion Criteria: * Male participants with histologically confirmed adenocarcinoma of the prostate * High-risk / very high-risk status per NCCN guidelines * ECOG performance status 0 to 1 * Regional lymph nodes are allowed. * Agree to use contraception during the treatment period and for at least 120 days after the last dose of study intervention and refrain from donating sperm during this period. * Ability to understand and the willingness to sign a written informed consent document. * Adequate organ and marrow function * Prior pharmacologic androgen ablation for prostate cancer is allowed only if the onset of androgen ablation is ≤90 days prior to the date of registration * Known history or current symptoms of cardiac disease, or history of treatment with cardiotoxic agents, should have a clinical risk assessment of cardiac function using the New York Heart Association Functional Classification. Exclusion Criteria: * Prior hormonal therapy with LHRH agonists (e.g., Lupron) and LHRH antagonists (e.g., Degarelix)for prostate cancer continuously for more than 90-days prior to study enrollment. * Prior radiation to the prostate or pelvic nodes radiation. * Previous or major surgery (colorectal anastomosis, total cystectomy, etc.). * History of Ulcerative proctitis. * Concurrent active, additional malignancy in the last 2 years. * Prior systemic anti-cancer therapy including investigational agents within 4 weeks prior to randomization. * Patients with M1 disease

Contact & Investigator

Central Contact

Bryan Courtney

✉ bryancourtney@uky.edu

📞 859-257-3379

Principal Investigator

Zin W Myint, MD

PRINCIPAL INVESTIGATOR

University of Kentucky

Frequently Asked Questions

Who can join the NCT05568550 clinical trial?

This trial is open to male participants only, aged 18 Years or older, studying Prostate Cancer. Full inclusion and exclusion criteria are listed in the Eligibility Criteria section. Always confirm your eligibility with the research team before applying.

What phase is the NCT05568550 trial and what does that mean for participants?

Phase 2 trials evaluate whether the treatment shows signs of effectiveness while continuing to monitor safety. More participants are enrolled than in Phase 1 to help refine the treatment protocol.

Is NCT05568550 currently recruiting?

Yes, NCT05568550 is actively recruiting participants. Contact the research team at bryancourtney@uky.edu for enrollment information.

Where is the NCT05568550 trial being conducted?

This trial is being conducted at Lexington, United States, Salt Lake City, United States.

Who is sponsoring the NCT05568550 clinical trial?

NCT05568550 is sponsored by Zin W Myint. The principal investigator is Zin W Myint, MD at University of Kentucky. The trial plans to enroll 64 participants.

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ClinicalMetric — Independent clinical trial intelligence platform. Not affiliated with NIH, ClinicalTrials.gov, the U.S. FDA, or any pharmaceutical company, hospital, or clinical research organization. Trial data is sourced from ClinicalTrials.gov for informational purposes only and does not constitute medical advice. Do not make any treatment, enrollment, or health decisions based solely on information found here — always consult a qualified healthcare professional. Full Disclaimer  ·  Last Reviewed: September 2026  ·  Data Methodology