Drugs / ETX-19477

Trials 1

202520262027
PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 1/2 NCT06395519 May 2024 → Dec 2026 expected BRCA1-related cancer predisposition, BRCA2-related cancer predisposition, castration-resistant prostate carcinoma, colorectal cancer +4 858 Therapeutics, Inc. Recruiting No outcome recorded

News releases announcing trial results or a regulatory action · 3

DateIssuerRelease
2026-08-19 858 Therapeutics, Inc. Regulatory 858 Therapeutics Announces FDA Fast Track Designation for PARG Inhibitor ETX-19477 for the Treatment of Patients with BRCA-Mutated, HR+/HER2- Unresectable or Metastatic Breast Cancer 8five8tx.com ↗
2026-05-21 858 Therapeutics, Inc. Results 858 Therapeutics Announces Initial Data from First-in-Human Phase 1/2 Trial of PARG Inhibitor ETX-19477 to be Presented at 2026 ASCO Annual Meeting 8five8tx.com ↗
858 Therapeutics, a clinical-stage biotechnology company, today announced preliminary safety and efficacy data from its ongoing, first-in-human Phase 1/2 trial of PARG inhibitor ETX-19477.
2026-01-08 858 Therapeutics, Inc. Regulatory 858 Therapeutics Announces FDA Fast Track Designation for PARG Inhibitor ETX-19477 for the Treatment of Patients with BRCA-Mutated, Platinum-Resistant Ovarian Cancer Share 8five8tx.com ↗

Evidence & citations 2 cited values

Every value below carries the sentence it was read from. 1 source stands behind the page.

FieldValueCited text
Known as ETX-19477 ClinicalTrials.gov intervention name — accepted as the source's own label NCT06395519 ↗
Modality Small molecule “ETX-19477, a novel reversible small molecule inhibitor of PARG” NCT06395519 ↗