A Study of Niraparib in Combination With Abiraterone Acetate and Prednisone Versus Abiraterone Acetate and Prednisone for Treatment of Participants With Metastatic Prostate Cancer

Summary

The purpose of this study is to evaluate the effectiveness of niraparib in combination with abiraterone acetate plus prednisone (AAP) compared to AAP and placebo.

Timeline

Start

2019-01-25

Primary completion

2021-10-08

Completion

2027-02-27

Publications

• Ye D, Saad M, Lee JY, Jung W, Pang ST, Li L, Gurney H, Attard G, Chi KN, Mundle S, Zhuo J, Singh A, Lin Y, Sandhu S. Niraparib With Abiraterone Acetate Plus Prednisone as First-Line Therapy in Patients With Metastatic Castration-Resistant Prostate Cancer With Homologous Recombination Repair Gene Alterations: Final Analysis of the Asian Subgroup From the MAGNITUDE Study. Int J Urol. 2026 Apr;33(4):e70455. doi: 10.1111/iju.70455.
• Rathkopf DE, Roubaud G, Chi KN, Efstathiou E, Attard G, Olmos D, Small EJ, Saad M, Castro E, Kim W, Wu D, Bertzos K, Dibaj S, Zhang J, Francis P, Smith MR. Patient-reported Outcomes for Patients with Metastatic Castration-resistant Prostate Cancer and BRCA1/2 Gene Alterations: Final Analysis from the Randomized Phase 3 MAGNITUDE Trial. Eur Urol. 2025 Oct;88(4):359-369. doi: 10.1016/j.eururo.2024.09.003. Epub 2024 Sep 23.
• Roubaud G, Attard G, Boegemann M, Olmos D, Trevisan M, Antoni L, Pascoe K, Capone C, Van Sanden S, Hashim M, Palmer S, Chi K. Adjustment for imbalances in baseline characteristics in the MAGNITUDE phase 3 study confirms the clinical benefit of niraparib in combination with abiraterone acetate plus prednisone in patients with metastatic prostate cancer. Eur J Cancer. 2024 Sep;209:114183. doi: 10.1016/j.ejca.2024.114183. Epub 2024 Jun 17.
• De Santis M, Breijo SM, Robinson P, Capone C, Pascoe K, Van Sanden S, Hashim M, Trevisan M, Daly C, Reitsma F, van Beekhuizen S, Ruan H, Heeg B, Verzoni E. Feasibility of Indirect Treatment Comparisons Between Niraparib Plus Abiraterone Acetate and Other First-Line Poly ADP-Ribose Polymerase Inhibitor Treatment Regimens for Patients with BRCA1/2 Mutation-Positive Metastatic Castration-Resistant Prostate Cancer. Adv Ther. 2024 Aug;41(8):3039-3058. doi: 10.1007/s12325-024-02918-6. Epub 2024 Jul 3.
• Chi KN, Rathkopf D, Smith MR, Efstathiou E, Attard G, Olmos D, Lee JY, Small EJ, Pereira de Santana Gomes AJ, Roubaud G, Saad M, Zurawski B, Sakalo V, Mason GE, Francis P, Wang G, Wu D, Diorio B, Lopez-Gitlitz A, Sandhu S; MAGNITUDE Principal Investigators. Niraparib and Abiraterone Acetate for Metastatic Castration-Resistant Prostate Cancer. J Clin Oncol. 2023 Jun 20;41(18):3339-3351. doi: 10.1200/JCO.22.01649. Epub 2023 Mar 23.

Drugs

Indications