Phase 2 study for people with Prostate Cancer

Recruiting Phase 2

Sources: ClinicalTrials.gov Checked: 13 October 2026 Not medical advice

This trial at a glance

Status Recruiting
Phase Phase 2
Sponsor Merck Sharp & Dohme LLC
Registry number NCT06353386
Started 20 May 2024 Today 16 October 2026 Estimated completion 15 January 2029

Where this trial is running

Trial sites and the status recorded for each
SiteCityState or countryStatus at this site
Macquarie University-MQ Health Clinical Trials Unit ( Site 0108) Macquarie University NSW Recruiting
Gallipoli Medical Research Ltd-GMRF CTU ( Site 0107) Greenslopes QLD Recruiting
Peter MacCallum Cancer Centre-Parkville Cancer Clinical Trials Unit (PCCTU) ( Site 0110) Melbourne VIC Recruiting

voxsanity.com.au · trial sites from public registries · registry record synced 13 October 2026 · not medical advice

Who can join

Age 18 Years and over
Sex Anyone, regardless of sex
Healthy volunteers Not accepted
Enrolment target 220

The official eligibility criteria

Registry text, reproduced exactly. These are the words the trial's sponsor published on ClinicalTrials.gov. They have not been edited, shortened or rewritten, and they are written for researchers rather than for patients.

Inclusion Criteria:

The main inclusion criteria include but are not limited to the following:

* Histologically or cytologically confirmed diagnosis of adenocarcinoma of the prostate without small cell histology.

* Prostate cancer progression and received androgen deprivation therapy (ADT) or post bilateral orchiectomy within 6 months before screening.

* Evidence of disease progression from either, \>4 weeks from last flutamide treatment, or \>6 weeks from last bicalutamide or nilutamide treatment, if receiving first generation anti-androgen therapy as last treatment therapy.

* Current evidence of metastatic disease.

* Prior treatment with 1 to 2 novel hormonal agent(s) (NHA) for non-metastatic, or metastatic, hormone-sensitive prostate cancer or castration-resistant prostate cancer and have disease progression during or after treatment.

* Treatment with bone resorptive therapy (including, but not limited to, bisphosphonate or denosumab) must have been on stable doses for \>4 weeks before randomization.

* Participants who experienced adverse events (AEs) due to previous anticancer therapies must have recovered to \<Grade 1 or baseline.

* Human immunodeficiency virus (HIV)-infected participants must have well controlled HIV on antiretroviral therapy.

* Participants who are Hepatitis B surface antigen (HBsAg) positive are eligible if they have received Hepatitis B Virus (HBV) antiviral therapy for at least 4 weeks, and have undetectable HBV viral load.

* Participants with a history of Hepatitis C virus (HCV) infection are eligible if HCV viral load is undetectable.

Exclusion Criteria:

The main exclusion criteria include but are not limited to the following:

* History of pituitary dysfunction.

* Poorly controlled diabetes mellitus.

* Active or unstable cardio/cerebro-vascular disease, including thromboembolic events and history of stroke or transient ischemic attack within 6 months before the first dose of study intervention, history of myocardial infarction within 6 months before the first dose of study intervention, New York Heart Association Class III or IV cardiac disease or congestive heart failure, coronary heart disease that is symptomatic, or unstable angina

* History or family history of long corrected QT interval (QTc) syndrome.

* Myelodysplastic syndrome (MDS)/acute myeloid leukemia (AML) or features suggestive of MDS/AML.

* History or current condition of adrenal insufficiency.

* History of (noninfectious) pneumonitis requiring steroids, or current pneumonitis.

* HIV-infected participants with a history of Kaposi's sarcoma and/or Multicentric Castleman's Disease.

* Undergone major surgery, including local prostate intervention (except prostate biopsy) within 28 days before randomization, and has not recovered from the toxicities and/or complications.

* Is on an unstable dose of thyroid hormone therapy within 6 months prior to first dose of study intervention.

* Received a whole blood transfusion in the last 120 days before randomization (packed red blood cells and platelet transfusions are acceptable if not given within 28 days before randomization).

* Received prior systemic anticancer therapy including investigational agents within 4 weeks before randomization.

* Received prior radiotherapy within 2 weeks of start of study intervention or radiation-related toxicities, requiring corticosteroids.

* Received a live or live-attenuated vaccine within 30 days before the first does of study intervention. Administration of killed vaccines is allowed.

* Diagnosis of immunodeficiency, or is receiving chronic systemic steroid therapy, or any other form of immunosuppressive therapy, within 7 days prior to the first dose of study intervention.

* Known additional malignancy that is progressing or has required active treatment within the past 3 years.

* Known active central nervous system (CNS) metastases and/or carcinomatous meningitis.

* Active autoimmune disease that has required systemic treatment in the past 2 years.

* Active infection requiring systemic therapy.

* Concurrent active HBV or HCV infections.

Dates on the record

Started 20 May 2024
Estimated completion 15 January 2029
Registry last updated 6 October 2026
Checked by Voxsanity 13 October 2026

Results, publications and the official record

Sources and dates

  • ClinicalTrials.gov – the record this page reformats
  • ClinicalTrials.gov processing date: 6 October 2026.
  • This page last checked by Voxsanity: 13 October 2026.

Voxsanity reformats data from public registries into this layout. It does not edit, interpret or add to what the registry published.

Not medical advice.

Individual trial records are refreshed on a rolling basis rather than all at once, so a record may be up to several weeks old. Each trial page and trial card shows the date its own record was last synced. Where a record has lagged, its status, sites and enrolment can differ from the current registry state in either direction, so check the registry link on the trial page before acting on them.

Letter for your doctor

A one-page summary of this trial to print or email to your GP. It carries the registry's own record of the trial and its eligibility criteria, and nothing Voxsanity has written about whether it suits you.