Last updated on June 2020

A Study of Niraparib Combination Therapies for the Treatment of Metastatic Castration-Resistant Prostate Cancer

Brief description of study

The purpose of this study is to: a) establish the recommended phase 2 dose (RP2D) and to evaluate the antitumor activity and safety of niraparib combination therapies (Combinations 1 and 2) and b) to determine the relative bioavailability of niraparib and abiraterone acetate (AA) in combination (Combination 3) in participants with metastatic castration-resistant prostate cancer (mCRPC).

Detailed Study Description

This multicenter study will evaluate safety and efficacy of niraparib in combination with other anti-cancer agents. Combination 1 will combine niraparib with the anti-programmed cell death protein (PD)-1 monoclonal antibody cetrelimab, in participants with mCRPC. Combination 1 has 2 parts: in Part 1 (dose selection), participants will be enrolled to establish RP2D doses of niraparib and cetrelimab; and Part 2 (dose expansion) will evaluate the combination therapy in an expanded number of participants into 2 cohorts (biomarker positive or biomarker negative). Combination 2 is closed to enrollment. Combination 3 will evaluate the relative bioavailability (BA) of niraparib and AA in combination. In pharmacokinetics (PK) assessment phase niraparib will be administered in combination with AA and in extension phase niraparib plus AA will be administered in combination with prednisone. Combinations 1 and 2 will have 4 phases: A Pre-screening Phase, a Screening Phase, a Treatment Phase, and a Follow-up Phase; Combination 3 has 3 phases: A Screening Phase, A PK Assessment Phase, and an Extension Phase. Study evaluations will include efficacy, PK, PK/pharmacodynamics, biomarkers, safety and tolerability.

Clinical Study Identifier: NCT03431350

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Saint Mande, France
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Recruitment Status: Open

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