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Genomic Biomarker-Selected Umbrella Neoadjuvant Study for High Risk Localized Prostate Cancer

  • PhasePhase 2
  • StatusRecruiting
  • Planned enrollment315 people
  • Recruiting US sites5
  • SponsorUniversity of British Columbia
  • RegistryNCT04812366

Recruitment re-checked on ClinicalTrials.gov Oct 30, 2026. Public record; not medical advice.

Genomic Biomarker-Selected Umbrella Neoadjuvant Study for High Risk Localized Prostate Cancer: a one-minute explainerNCT048123661 min

Eligibility

Who can join

The film gives the main points. The full list below is copied from the registry; the study team makes the final decision.

  • Age18 Years to no maximum
  • SexMale
  • Healthy volunteersNo

You may be able to join if

  • i. Males ≥ 18 years of age. ii. Histologically confirmed adenocarcinoma of the prostate without pathologic evidence of small cell differentiation at the time of initial diagnosis. Screening biopsy must be performed within 4 months of the screening visit.
  • iii. High-risk localized prostate cancer as defined by at least one of the following:
  • Any combination of Gleason Score 4+3=7 and Gleason Score 8 (4+4 or 5+3) in ≥6 systematic cores (with ≥1 core Gleason Score 8 [4+4 or 5+3] included);
  • Any combination of Gleason Score 4+3 and Gleason Score 8 (4+4 or 5+3) in ≥3 systematic cores and PSA ≥20 ng/mL (with at least 1 core Gleason Score 8 [4+4 or 5+3] included);
  • Gleason Score ≥9 in at least 1 systematic or targeted core;
  • At least 2 systematic or targeted cores with Gleason Score ≥8, each with at least 80% involvement"; or
  • Gleason Score 4+3=7 in at least 6 systematic or targeted cores and PSA ≥20 ng/mL iv. Participants must provide consent blood collection and evaluation of diagnostic prostate tissue for genetic testing at registration and prior to assignment by a central reference laboratory.
  • v. No prior systemic or localized treatment for prostate cancer (exception: up to 12 weeks of luteinizing hormone-releasing hormone agonist or antagonist (LHRHa) and bicalutamide is allowable prior to registration).
  • vi. Eastern Cooperative Oncology Group (ECOG) performance status 0 or 1 (Appendix II) and a life expectancy of ≥ 3 years in the opinion of the treating oncologist.
  • vii. Laboratory Requirements: Participants must have adequate end-organ function and all laboratory tests must be performed within 8 weeks prior to registration into master protocol (Table 1).
  • viii. Patient consent must be appropriately obtained in accordance with applicable local and regulatory requirements. Each patient must sign a consent form prior to registration in the trial to document their willingness to participate.
  • ix. Archival tissue must be available for genetic analysis.

You cannot join if

  • Participants will be excluded if ANY of the following criteria are met:
  • i. Received more than 12 weeks of LHRHa prior to registration. ii. Stage T4 prostate cancer by clinical examination or radiologic evaluation. iii. Hypogonadism or severe androgen deficiency as determined by the treating physician, or screening serum testosterone less than 50 ng/dL (1.7 nmol/L) iv. Participants with serious illnesses or medical conditions which could cause unacceptable safety risks or would not permit the participant to be managed according to the protocol. This includes but is not limited to:
  • Active infection or chronic liver disease requiring systemic therapy;
  • Active or known human immunodeficiency virus (HIV) with detectable viral load;
  • Participants with uncontrolled hypertension or diabetes.
  • Uncontrolled or recent clinically significant cardiac disease, including history of any of the following within 12 months prior to screening:
  • Severe or unstable angina, symptomatic pericarditis, symptomatic congestive heart failure, arterial or venous thromboembolic events (e.g., pulmonary embolism, cerebrovascular accident including transient ischemic attacks), clinically significant ventricular arrhythmias or New York Heart Association Class II to IV heart disease, coronary artery bypass grafting, coronary angioplasty, stenting, or myocardial infarction; uncomplicated deep vein thrombosis is not considered exclusionary).
  • History of any cardiac arrhythmias that preclude prostatectomy or treatment with study drugs, e.g. ventricular, supraventricular, nodal arrhythmias, or conduction abnormality.
  • v. Participants who are unable to swallow oral medication and/or have impairment of gastrointestinal (GI) function or GI disease that may significantly alter the absorption of the study drugs (e.g. ulcerative diseases, uncontrolled nausea, vomiting, diarrhea, malabsorption syndrome, or small bowel resection).
  • vi. Participants with a history of hypersensitivity to any of the study drugs or any excipient.
  • vii. Participants with a history of non-compliance to medical regimens. viii. Severe concurrent disease, infection, or co-morbidity that, in the judgment of the Investigator, would make the participant inappropriate for registration or prostatectomy.
  • ix. Prior androgen deprivation, chemotherapy, surgery, or radiation for prostate cancer.
  • x. Receiving concurrent androgens, estrogens, or progestational agents, or received any of these agents within the 6 months prior to registration.
  • xi. M1 by conventional imaging (CT, bone scan) or PSMA-PET. Participants with oligometastatic (<3) metastases by PSMA imaging only who are deemed candidates for radical prostatectomy are eligible.

The treatment

How it is intended to work

This is how the treatment is meant to work. Whether it helps, and how safe it is, is what this trial is testing.

apalutamide. A small molecule and androgen receptor (AR) antagonist with potential antineoplastic activity. Apalutamide binds to AR in target tissues thereby preventing androgen-induced receptor activation and facilitating the formation of inactive complexes that cannot be translocated to the nucleus. This prevents binding to and transcription of AR-responsive genes. This ultimately inhibits the expression of genes that regulate prostate cancer cell proliferation and may lead to an inhibition of cell growth in AR-expressing tumor cells. NCI Drug Dictionary

Treatments listed in the registry

  • Apalutamide 60mg Tab (Drug): 4 tablets by mouth once a day for 24 weeks
  • Abiraterone Acetate 250mg (Drug): 4 tablets by mouth on an empty stomach once a day for 16 weeks
  • Prednisone 5mg Tab (Drug): 1 tablet by mouth once daily while taking abiraterone acetate
  • Docetaxel (Drug): Infusion every 3 weeks for 6 cycles (each cycle has 3 weeks)
  • Niraparib 100mg Oral Capsule (Drug): 3 capsules by mouth once daily for 16 weeks
  • Atezolizumab (Drug): 1200mg infusion every 3 weeks for 6 cycles
  • Tazemetostat Pill (Drug): 200 mg 4 tablets by mouth twice daily with or without food for 16 weeks
  • Capivasertib (Drug): 200 mg 2 tablets by mouth twice a day with or without food on an intermittent dosing schedule (days 1-4, then 3 days off) each week for 16 weeks

The study

Treatment groups

Randomized · Parallel · masking: None

Group 1a (Active Comparator)

LHRHa plus apalutamide.

Group 1b (Active Comparator)

LHRHa plus apalutamide plus abiraterone acetate plus prednisone.

Group 2a (Active Comparator)

LHRHa plus abiraterone acetate plus prednisone.

Group 2b (Active Comparator)

LHRHa plus abiraterone acetate plus prednisone plus docetaxel.

Group 3 (Active Comparator)

LHRHa plus abiraterone acetate plus prednisone plus niraparib

Group 4 (Active Comparator)

LHRHa plus apalutamide plus atezolizumab

Group 5 (Active Comparator)

LHRHa plus abiraterone acetate plus prednisone plus tazemetostat

Group 6 (Active Comparator)

LHRHa plus abiraterone acetate plus prednisone plus Capivasertib

What it involves

Procedures

As the registry describes them. Requirements to join, such as a tissue sample, are in the eligibility list above even when on-study procedures are optional. Ask the study team which steps apply to you.

  • biopsy: Part of the study plan

Goals

What the study measures

Main goals

  • Complete Pathologic Response (pCR) (6 years)
  • Pathological Minimal Residual Disease (pMRD) (6 years)

Other goals

  • Pain level assessment
  • Generic Quality of Life (QoL)
  • Quality of Life-Prostate Cancer Patients

Planned enrollment: 315 (estimated).

Where

Recruiting US sites

  • University of California Davis, Sacramento, California
  • Dana-Farber Cancer Institute / Beth Israel Deaconess Medical Center, Boston, Massachusetts
  • University of Michigan Health, Ann Arbor, Michigan
  • U.T. MD Anderson Cancer Center, Houston, Texas
  • Fred Hutchinson Cancer Center, Seattle, Washington

4 recruiting sites outside the US. Site status as of Oct 30, 2026. Check the live record before contacting a site.

Sources

Where this comes from

Registry record reviewed as fetched Oct 30, 2026, last updated by the sponsor Aug 13, 2026. Public record; not medical advice.

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