Live from ClinicalTrials.gov + Open Targets, fetched 2026-11-12 01:17 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
Oral EPI-7386 in Patients with Castration-Resistant Prostate Cancer
NCT04421222 · ESSA Pharmaceuticals · PHASE1 · terminated · last registry update 2025-02-28 · 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 was terminated early due to a lack of improved efficacy.” | – | Registry record, ESSA Pharmaceuticals |
Also happening at the time. Not shown to be a cause.
Registry events on other trials of drugs against CYP17A1 within 12 months either side of this trial's last update, live from ClinicalTrials.gov. Nothing here was stated as a reason.
- 2026-02-20Also stopped (terminated): Telix Pharmaceuticals (Innovations) Pty Ltd, Standard of Care (NCT04876651)
- 2026-02-09Results posted on the registry: MacroGenics, vobramitamab duocarmazine 2.0 mg (Arm A) + vobramitamab duocarmazine 2.7 mg (Arm B) (NCT05551117)
- 2026-02-09Also stopped (terminated): MacroGenics, vobramitamab duocarmazine 2.0 mg (Arm A) + vobramitamab duocarmazine 2.7 mg (Arm B) (NCT05551117)
- 2026-01-26Results posted on the registry: Montefiore Medical Center, Abiraterone Acetate + Prednisone (NCT03565835)
- 2026-01-22Results posted on the registry: Janssen Research & Development, LLC, Niraparib+ Abiraterone acetate fixed dose combination (FDC) + Abiraterone acetate (AA) (NCT04497844)
- 2026-01-15Results posted on the registry: University of Michigan Rogel Cancer Center, Hormone therapy or chemotherapy (NCT03556904)
- 2026-01-13Results posted on the registry: POINT Biopharma, a wholly owned subsidiary of Eli Lilly and Company, [Lu-177]-PNT2002 + Abiraterone (NCT04647526)
- 2026-01-08Results posted on the registry: ECOG-ACRIN Cancer Research Group, Abiraterone Acetate + Androgen deprivation therapy (NCT03419234)
- 2026-01-08Results posted on the registry: Exelixis, cabozantinib + abiraterone (NCT01995058)
- 2026-01-08Also stopped (terminated): Exelixis, cabozantinib + abiraterone (NCT01995058)
- 2025-12-31Phase 3 first posted: Jiangsu HengRui Medicine Co., Ltd., HRS-4357 injection + Enzalutamide;Abiraterone (NCT07311694)
- 2025-12-19Results posted on the registry: AstraZeneca, olaparib + enzalutamide (NCT05457257)
- 2025-12-18Results posted on the registry: Exelixis, Cabozantinib + Atezolizumab (NCT04446117)
- 2025-12-05Results posted on the registry: David Oh, Pembrolizumab + SD-101 (NCT03007732)
- 2025-11-04Results posted on the registry: University of Texas Southwestern Medical Center, Abiraterone acetate (NCT02574910)
- 2025-11-04Also stopped (terminated): University of Texas Southwestern Medical Center, Abiraterone acetate (NCT02574910)
- 2025-10-29Results posted on the registry: Constellation Pharmaceuticals, CPI-1205 + Cobicistat (NCT03480646)
- 2025-10-22Also stopped (withdrawn): Northwestern University, Docetaxel + ADT (NCT06060587)
- 2025-10-21Also stopped (terminated): Incyte Corporation, INCB057643 + Gemcitabine (NCT02711137)
- 2025-10-14Results posted on the registry: Progenics Pharmaceuticals, Inc., I-131-1095 + Enzalutamide (NCT03939689)
- 2025-10-09Results posted on the registry: Novartis Pharmaceuticals, 177Lu-PSMA-617 + 68Ga-PSMA-11 (NCT04689828)
- 2025-10-09Phase 3 first posted: Amgen, Xaluritamig + Abiraterone acetate (NCT07213674)
- 2025-10-03Also stopped (terminated): University of Chicago, Abiraterone Oral Tablet + Prednisone tablet (NCT05276492)
- 2025-09-29Also stopped (withdrawn): Latin American Cooperative Oncology Group, Niraparib/Abirate rone acetate fixed-dose combination + Prednisone (NCT06527690)
- 2025-09-15Also stopped (terminated): Emory University, Abiraterone + Docetaxel (NCT05733351)
What is not public
- Internal portfolio and board discussions
- Unpublished trial data and interim analyses
- Terms of any partner or licence decision