Drugs / INDV-2000
last change Apr 2026 re-read 9 days ago

INDV-2000

also known as C4X_3256
Developed for
opiate dependence · substance-related disorder
Investigated by
Indivior Inc. · National Institute on Drug Abuse (NIDA)

Trials 4

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 13 trials
Phase 1 NCT05694533 Mar → Apr 2023 — Indivior Inc. Completed No outcome recorded
Phase 1 NCT04976855 Aug 2022 → Jul 2023 opiate dependence Indivior Inc. Completed No outcome recorded
Phase 1 NCT04413552 Jul 2020 → Apr 2021 opiate dependence Indivior Inc. Completed No outcome recorded
Phase 21 trial · 1 missed
Phase 2 NCT06384157 Jun 2024 → Sep 2025 substance-related disorder Indivior Inc. Completed Missed primary

News releases announcing trial results or a regulatory action · 1

DateIssuerRelease
2026-04-30 Indivior Inc. Results Indivior Reports First Quarter 2026 Financial Results and Raises Full-Year 2026 Guidance indivior.com ↗
INDV-2000 did not meet the primary endpoint of "no treatment failure."

Evidence & citations 4 cited values

Every value below carries the sentence it was read from. 4 sources stand behind the page.

FieldValueCited text
Known as INDV-2000 ClinicalTrials.gov intervention name — accepted as the source's own label NCT06384157 ↗
3

NCT04413552 ↗

NCT05694533 ↗

NCT04976855 ↗

Known as C4X_3256 “INDV-2000 (C4X_3256) Under Fasting and Fed Conditions” NCT04413552 ↗
1

“INDV-2000 (C4X_3256) up to 28 Days” NCT04976855 ↗

Action Inhibit “OX1R antagonist” NCT06384157 ↗
Route Oral “Participants will receive a single dose of INDV-2000 orally on Day 1 under fasted conditions” NCT04413552 ↗