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Clinical trial · no report yet · Phase 3
MAGNITUDE trial: what clinicians have said so far
A Study of Niraparib in Combination With Abiraterone Acetate and Prednisone Versus Abiraterone Acetate and Prednisone for Treatment of Participants With Metastatic Prostate Cancer
- NCT03748641 ↗
- Active, not recruiting
- Janssen Research & Development, LLC
- Focused size, estimated: 1–150 verified statements
We haven't built an HCP commentary report on MAGNITUDE (niraparib plus abiraterone in metastatic castration-resistant prostate cancer) yet. This page shows the registry record and the public commentary we found that names the trial. A report reads that commentary and sets out what clinicians said about the trial, each point linked to its source. How reports are made.
Indexed commentary on MAGNITUDE so far
Podcasts, YouTube videos and X posts we have indexed that name the trial. It is where a report starts, not where it ends: the build searches for more, so finished reports usually cover more than this.
| Indexed so far | |
|---|---|
| 3 posts on X |
The trial
ClinicalTrials.gov- Official title
- A Phase 3 Randomized, Placebo-controlled, Double-blind Study of Niraparib in Combination With Abiraterone Acetate and Prednisone Versus Abiraterone Acetate and Prednisone in Subjects With Metastatic Prostate Cancer
- Phase
- Phase 3
- Status
- Active, not recruiting
- Conditions
- Castration-Resistant Prostatic Cancer
- Interventions
- Niraparib; Abiraterone Acetate; Prednisone; Placebo; New Formulation of Niraparib and Abiraterone Acetate (AA)
- Arms
- Cohort 1: Participants with mCRPC and HRR Gene Alteration · Experimental
- Cohort 2: Participants with mCRPC and No HRR Gene Alteration · Experimental
- Cohort 3 (Open-label): Participants with mCRPC · Experimental
- Enrollment
- 765
- Primary outcomes
- Cohort 1: Radiographic Progression-Free Survival (rPFS) as Assessed by Blinded Independent Central Review (BICR)
- Cohort 1 Breast Cancer Gene (BRCA) Subgroup: Radiographic Progression-Free Survival (rPFS) as Assessed by Blinded Independent Central Review (BICR)
- Sponsor
- Janssen Research & Development, LLC
- Start
- Jan 25, 2019
- Primary completion
- Oct 8, 2021
- Results posted
- Yes
- Registry record
- NCT03748641 · updated Nov 3, 2026
Publications
linked from the registry- 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. PubMed 42015879
- Russu A, Hazra A, Tian H, Haddish-Berhane N, Perez Ruixo JJ, Boulton M. Population Pharmacokinetics of Niraparib/Abiraterone Acetate Administered as Single-Agent Combination and Dual-Acting Tablets Plus Prednisone for Metastatic Castration-Resistant Prostate Cancer. Adv Ther. 2025 Apr;42(4):1860-1880. doi: 10.1007/s12325-025-03104-y. Epub 2025 Feb 28. PubMed 40016438
- 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. PubMed 39317633
- 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. PubMed 39111209
- 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. PubMed 38958846
- 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. PubMed 36952634