Drugs / Iclepertin
last change Dec 2025 re-read 3 minutes ago

Iclepertin

also known as BI 425809
Developed for
schizophrenia
Investigated by
Boehringer Ingelheim

Trials 8

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 14 trials · 1 met primary
Phase 1 NCT06070597 Jan → Jun 2024 — Boehringer Ingelheim Completed No outcome recorded
Phase 1 NCT05731895 Mar → Dec 2023 liver disorder Boehringer Ingelheim Completed No outcome recorded
Phase 1 NCT05613777 Nov 2022 → Oct 2023 — Boehringer Ingelheim Completed Met primary
Phase 1 NCT05258110 Mar → May 2022 — Boehringer Ingelheim Completed No outcome recorded
Phase 34 trials · 3 missed
Phase 3 NCT05211947 Mar 2022 → Feb 2025 schizophrenia Boehringer Ingelheim Terminated No outcome recorded
Phase 3 NCT04846868 Sep 2021 → Sep 2024 schizophrenia Boehringer Ingelheim Completed Missed primary
Phase 3 NCT04846881 Aug 2021 → Oct 2024 schizophrenia Boehringer Ingelheim Completed Missed primary
Phase 3 NCT04860830 Aug 2021 → Oct 2024 schizophrenia Boehringer Ingelheim Completed Missed primary

Press releases naming this drug 1 release

DateIssuerRelease
2020-09-14 Boehringer Ingelheim Phase II trial results demonstrated improvement in cognition with BI 425809 in adult patients with schizophrenia prnewswire.com ↗

Evidence & citations 4 cited values

Every value below carries the sentence it was read from. 9 sources stand behind the page.

FieldValueCited text
Known as Iclepertin ClinicalTrials.gov intervention name — accepted as the source's own label NCT04860830 ↗
7

NCT04846868 ↗

NCT04846881 ↗

NCT05211947 ↗

NCT05613777 ↗

NCT05258110 ↗

NCT05731895 ↗

NCT06070597 ↗

Known as BI 425809 “iclepertin (BI 425809)” NCT05258110 ↗
Action Inhibit “CONNEX programme investigated the efficacy and safety of iclepertin, a glycine transporter-1 (GlyT1) inhibitor, for the treatment of CIAS.” PMID 41233083 ↗ Dec 2025
Route Oral “Patients with schizophrenia took orally once a day one 10 milligram (mg) tablet of iclepertin.” NCT04846868 ↗