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Site for NRG-GU007, Randomized Phase II Trial of Niraparib with Standard Combination Radiotherapy and Androgen Deprivation Therapy (ADT) in High Risk Prostate Cancer (With Initial Phase I) (NADIR*) (NCT 04037254) (PSCI# 20-104)

The purpose of this study is to compare the usual treatment alone to using the study drug niraparib plus the usual treatment. The addition of niraparib to the usual treatment could prevent your cancer from growing or returning. But, it could also cause side effects, which are described in the risks section below. This study will help the study doctors find out if this different approach is better, the same, or worse than the usual approach. To be better, the study approach should increase the chance of remaining cancer free to 50 out of 100 participants after 2 years, or a 20% improvement compared to the usual approach.
18 year(s) or older
This study is NOT accepting healthy volunteers
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Inclusion Criteria:
ECOG performance status of 0 or 1 within 180 days prior to registration
Age is greater than or equal to 18 years old
Pretreatment serum PSA, obtained prior to any androgen suppression therapy and within 180 days of registration
Adequate hematologic, renal, and hepatic function within 90 days prior to registration
Men of child-producing potential must be willing to consent to use effective contraception while on treatment and for at least 3 months afterwards
Exclusion Criteria:
PSA > 150 ng/mL
Definitive clinical or radiologic evidence of metastatic disease
Pathologically positive lymph nodes or nodes > 1.5 cm short axis on CT or MR imaging
Prior radical prostatectomy, cryosurgery for prostate cancer, or bilateral orchiectomy for any reason
Prior systemic therapy for prostate cancer; note that prior therapy for a different cancer is allowable
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Hershey, PA