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NCT04947254PHASE2RECRUITING

Androgen Ablation Therapy With or Without Niraparib After Radiation Therapy for the Treatment of High-Risk Localized or Locally Advanced Prostate Cancer

Phase II Trial of Primary Radiotherapy With Androgen Ablation With or Without Adjuvant Niraparib for Selected High-Risk Locoregional Prostate Cancer

Sponsor: M.D. Anderson Cancer Center

No open prediction endpoints

Endpoints are classified and published by ProgramSignal analysts.

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Key Facts

Study type
INTERVENTIONAL
Conditions
Prostate Carcinoma, Stage IIC Prostate Cancer AJCC v8, Stage III Prostate Cancer AJCC v8, Stage IIIA Prostate Cancer AJCC v8, Stage IIIB Prostate Cancer AJCC v8
Interventions
Abiraterone Acetate, Antiandrogen Therapy, Apalutamide, Biopsy
Enrollment
200 participants
Primary completion
Jun 2026
Study completion
Jun 2026
First posted
Jul 2021
Last updated
May 2026

Primary Endpoints (CT.gov)

Composite radiographic progression-free survival(rPFS) and biochemical (PSA) progression-free survival (PFS)

Time frame: From randomization until progression, death, or last assessment without progression, whichever comes first, assessed at 3 years

Secondary Endpoints

Incidence and severity of adverse events (AEs)

Incidence and severity of serious adverse events (SAEs)

Overall survival

Eligibility Criteria

Inclusion Criteria: * Completion of informed consent prior to any study specific procedures. Consent may be done remotely. * Patients must agree to tissue collection for correlative studies at the specified timepoints * Male aged 18 years and above * Histologically or cytologically confirmed prostate carcinoma * Localized or regional high-risk disease as defined by at least one of the following features: Prostate specific antigen (PSA) \> 20 ng/mL, T3a or higher, grade group 4-5 (i.e. Gleason score ≥ 8) as per National Comprehensive Cancer Network (NCCN) Prostate Cancer Version 2.2020 for high risk or very high risk prostate cancer, and/or regional lymph nodes positive for prostate cancer * Planned for definitive treatment of local regional prostate cancer using XRT and androgen ablation * Willing to undergo ongoing medical castration to maintain testosterone levels of ≤ 50 ng/dL (≤ 2.0 nM) throughout systemic treatment or have undergone bilateral orchiectomy * Eastern Cooperative Onc

Read full criteria on CT.gov →

✦ Analyst Commentary

Expert commentary on why this trial matters and what to watch for.

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Source

Open on ClinicalTrials.gov