Live from ClinicalTrials.gov + Open Targets, fetched 2026-11-12 01:18 UTC. Every row links to its source record.
Postmortem · what the sponsor and named sources said, kept apart from what merely happened at the same time
PLX2853 in Combination With Abiraterone Acetate and Prednisone and in Combination With Olaparib in Subjects With Metastatic Castration-Resistant Prostate Cancer (mCRPC)
NCT04556617 · Opna Bio LLC · PHASE1/PHASE2 · terminated · last registry update 2025-04-08 · Decision brief
No research has been run for this trial yet, so only the registry's own reason and the timeline are shown.
What was said, and by whom
Stated is the sponsor's own words; Reported is a named third party. The category is our label from a fixed list; the quote is the evidence.
| Kind | Quote | Our category | Source |
|---|---|---|---|
| Stated | “study terminated due to business realignment” | – | Registry record, Opna Bio LLC |
Also happening at the time. Not shown to be a cause.
Registry events on other trials of drugs against PARP1 within 12 months either side of this trial's last update, live from ClinicalTrials.gov. Nothing here was stated as a reason.
- 2026-04-08Results posted on the registry: National Cancer Institute (NCI), Olaparib + Pazopanib (NCT05432791)
- 2026-04-08Results posted on the registry: National Cancer Institute (NCI), Ceralasertib + Olaparib (NCT03878095)
- 2026-04-08Also stopped (withdrawn): Qian Qin, Androgen Deprivation Therapy (ADT) + Niraparib/Abiraterone Acetate DAT (NCT06392841)
- 2026-04-08Results posted on the registry: National Cancer Institute (NCI), Cisplatin + Veliparib (NCT02595905)
- 2026-04-06Also stopped (terminated): Gustave Roussy, Cancer Campus, Grand Paris, Olaparib + Placebo (NCT02679963)
- 2026-04-01Results posted on the registry: Dana-Farber Cancer Institute, Bevacizumab + Nivolumab (NCT02873962)
- 2026-03-20Phase 3 first posted: The Netherlands Cancer Institute, Standard of care plus pembrolizumab + Standard of care (capecitabine or olaparib) (NCT07486687)
- 2026-03-11Results posted on the registry: National Cancer Institute (NCI), Olaparib (NCT05286827)
- 2026-03-04Results posted on the registry: Abramson Cancer Center at Penn Medicine, Niraparib Pill (NCT04288687)
- 2026-02-25Results posted on the registry: Institut Bergonié, Olaparib (NCT02787642)
- 2026-02-25Also stopped (terminated): Gordon Mills, MD, PhD, Capivasertib + Ceralasertib (NCT03801369)
- 2026-02-19Also stopped (withdrawn): Merck Sharp & Dohme LLC, Pembrolizumab + Paclitaxel (NCT06829199)
- 2026-02-17Also stopped (terminated): Centre Leon Berard, Niraparib (NCT05442749)
- 2026-02-17Also stopped (terminated): Leiden University Medical Center, Olaparib Oral Product (NCT04780945)
- 2026-02-12Results posted on the registry: University of Michigan Rogel Cancer Center, Pembrolizumab + Pemetrexed (NCT03559049)
- 2026-02-12Also stopped (terminated): University of Michigan Rogel Cancer Center, Pembrolizumab + Pemetrexed (NCT03559049)
- 2026-02-09Also stopped (terminated): Jiangsu Simcere Pharmaceutical Co., Ltd., SIM0501 Tablets + SIM0501 Tablets (NCT06331559)
- 2026-01-22Results posted on the registry: Janssen Research & Development, LLC, Niraparib+ Abiraterone acetate fixed dose combination (FDC) + Abiraterone acetate (AA) (NCT04497844)
- 2026-01-22Results posted on the registry: University of Alabama at Birmingham, Combination of Veliparib + Lapatinib (NCT02158507)
- 2026-01-21Results posted on the registry: GlaxoSmithKline, Niraparib (Tablet for oral suspension) + Dostarlimab (NCT04544995)
- 2026-01-21Also stopped (terminated): GlaxoSmithKline, Niraparib (Tablet for oral suspension) + Dostarlimab (NCT04544995)
- 2026-01-16Results posted on the registry: Repare Therapeutics, RP-3467 at assigned dose and schedule + Olaparib 200-300 mg BID, daily (NCT06560632)
- 2026-01-16Also stopped (terminated): Repare Therapeutics, RP-3467 at assigned dose and schedule + Olaparib 200-300 mg BID, daily (NCT06560632)
- 2025-12-31Results posted on the registry: Tesaro, Inc., Niraparib + Dostarlimab (TSR-042) (NCT03602859)
- 2025-12-23Results posted on the registry: AstraZeneca, olaparib + durvalumab (NCT04269200)
What is not public
- Internal portfolio and board discussions
- Unpublished trial data and interim analyses
- Terms of any partner or licence decision