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Tests treatment safety and results for Prostatic Neoplasms, Castration-Resistant
Official title Substudy 01A: Safety and Efficacy of Opevesostat (MK-5684)-Based Treatment Combinations or Opevesostat Alone in Participants With Metastatic Castration-resistant Prostate Cancer (mCRPC) (MK-5684-01A)
ClinicalTrials.gov ID: NCT06353386
What this study is testing
What is Opevesostat?
Opevesostat is an investigational medicine, given as a pill taken by mouth, being studied as a potential treatment for prostatic neoplasms, castration-resistant.
Also referred to as MK-5684.
Plain-language explanation of the investigational treatment - it is being studied and is not an approved or proven therapy. The study team can confirm the details.
- What it's testing
- Substudy 01A is part of a larger research study that is testing experimental treatments for metastatic castration-resistant prostate cancer (mCRPC). The larger study is the umbrella study (U01).
- Phase 2: a mid-size study of how well it works
A plain-language read of the study's public ClinicalTrials.gov listing. The study team confirms the details.
Who can take part
Ages 18 and older
You may be able to join if
- The main 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...
- Current evidence of metastatic disease.
You likely can't join if
- 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...
- History or family history of long corrected QT interval (QTc) syndrome.
- Myelodysplastic syndrome (MDS)/acute myeloid leukemia (AML) or features suggestive of MDS/AML.
See the full eligibility criteria
- The main 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...
- 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 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.
- 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...
- 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.
The study team makes the final eligibility decision.
Where it's taking place
- La Jolla, California, United States
- Los Angeles, California, United States
- Miami, Florida, United States
- Baltimore, Maryland, United States
- New Brunswick, New Jersey, United States
- Cleveland, Ohio, United States
- Milwaukee, Wisconsin, United States
- Macquarie University, New South Wales, Australia
- Greenslopes, Queensland, Australia
- Melbourne, Victoria, Australia
- Montreal, Quebec, Canada
- Québec, Quebec, Canada
- Temuco, Biobio, Chile
- Talca, Maule Region, Chile
- Santiago, Region M. de Santiago, Chile
- Bogotá, Bogota D.C., Colombia
- Valledupar, Cesar Department, Colombia
- Montería, Departamento de Córdoba, Colombia
- Cali, Valle del Cauca Department, Colombia
- Copenhagen, Capital Region, Denmark
+ 48 more site(s).
Questions & answers
Do participants get paid in this trial?
This listing doesn't specify compensation. Many trials still reimburse travel or offer a stipend, so it's worth asking the study team when you connect.
Is it free to join, and do I need insurance?
Searching and applying through BridgeMD is free. In clinical trials the study-related treatment and visits are generally provided at no cost to you. You usually don't need insurance to take part - confirm specifics with the study team.
How long does this study last?
The listing doesn't state an exact length. The study team walks you through the schedule and number of visits before you decide to enroll.
Who can join this trial?
This study is enrolling all sexes, 18 years and older. The study team makes the final eligibility decision.
Where is this trial taking place?
Study sites include La Jolla, California, United States; Los Angeles, California, United States; Miami, Florida, United States; Baltimore, Maryland, United States; New Brunswick, New Jersey, United States; Cleveland, Ohio, United States and 62 more location(s). Enter your location above to see the nearest site and check your eligibility.
Explore other conditions
BridgeMD is an information and trial-matching tool - not medical advice, and not the study sponsor. Details come from ClinicalTrials.gov; the study team decides eligibility.