Drugs / Ezurpimtrostat
last change Jun 2026 re-read 9 days ago

Ezurpimtrostat

also known as GNS561 · Ezurpimtrostat (GNS561)

Small molecule

Developed for
hepatocellular carcinoma · cholangiocarcinoma · COVID-19 · intrahepatic cholangiocarcinoma
Investigated by
Genoscience Pharma · Genfit · University Hospital, Grenoble

Trials 5

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 11 trial
Phase 1 NCT05353894 May → Nov 2022 liver cancer Genoscience Pharma Unknown No outcome recorded
Phase 1/22 trials
Phase 1/2 NCT05874414 Aug 2023 → Dec 2027 expected cholangiocarcinoma Genfit Recruiting No outcome recorded
Phase 1/2 NCT03316222 Apr 2018 → Jan 2021 hepatocellular carcinoma, intrahepatic cholangiocarcinoma Genoscience Pharma Terminated No outcome recorded
Phase 22 trials
Phase 2 NCT05448677 Dec 2022 → Mar 2024 hepatocellular carcinoma University Hospital, Grenoble Terminated No outcome recorded Stop: Enrollment
Phase 2 NCT04637828 Nov 2020 → Jul 2021 COVID-19 Genoscience Pharma Unknown No outcome recorded

News releases announcing trial results or a regulatory action · 4

DateIssuerRelease
2026-06-23 Genfit Results GENFIT: Positive Phase 1b Data with GNS561 in Combination Therapy in Heavily Pretreated Patients with Cholangiocarcinoma genfit.com ↗
today announced positive Phase 1b results for GNS561 in combination therapy in patients with heavily pretreated cholangiocarcinoma, demonstrating a favorable safety and tolerability profile and early signs of antitumor activity.
2025-12-10 Genfit Results GENFIT: GNS561 Shows Promising Antitumor Activity in Combination Therapy genfit.com ↗
Achieving disease control and tumor reduction in such heavily pretreated patient population with advanced CCA is a significant signal of antitumor activity.
2025-02-06 Genfit Results GENFIT Outlines Anticipated New Clinical Trial Initiations, Development Milestones and Data Readouts in 2025 genfit.com ↗
Preliminary safety data analyzed end of 2024 from the patients treated in the first cohort of Phase 1b with the combination of GNS561 and trametinib are supportive
2022-09-13 Genfit Regulatory FDA Grants GENFIT’s GNS561 Orphan Drug Designation for the Treatment of Cholangiocarcinoma genfit.com ↗
Lille (France ), Cambridge (Massachusetts, United States), September 1 3 , 20 22 – GENFIT (Nasdaq and Euronext: GNFT) , a late-stage biopharmaceutical company dedicated to improving the lives of patients with severe chronic liver diseases, today announced that the U.S. Food and Drug Administration (FDA) has granted Orphan Drug Designation to GNS561 1 (ezurpimtrostat), a novel clinical-stage autophagy/PPT1 inhibitor, for the treatment of cholangiocarcinoma.

Evidence & citations 5 cited values

Every value below carries the sentence it was read from. 6 sources stand behind the page.

FieldValueCited text
Known as Ezurpimtrostat “GNS561/Ezurpimtrostat is a first-in-class, orally bioavailable, small molecule that blocks cancer cell proliferation by inhibiting late-stage autophagy and dose-dependent...” PMID 35949290 ↗ Feb 2022
1

NCT05448677 ↗

Known as Ezurpimtrostat (GNS561) “Ezurpimtrostat (GNS561)” NCT05874414 ↗
Known as GNS561 ClinicalTrials.gov intervention name — accepted as the source's own label NCT05874414 ↗
3

NCT04637828 ↗

NCT05353894 ↗

NCT03316222 ↗

Modality Small molecule “a first-in-class, orally bioavailable, small molecule” PMID 35949290 ↗ Feb 2022
Route Oral “single oral intake 3 times a week” PMID 35949290 ↗ Feb 2022