Drugs / Monlunabant
last change Mar 2026 re-read 3 minutes ago

Monlunabant

also known as MRI-1891 · MRI-1891, (S)-

Small molecule

Developed for
obesity disorder · abdominal obesity-metabolic syndrome · diabetic kidney disease
Investigated by
Inversago Pharma Inc. · Novo Nordisk A/S · Worldwide Clinical Trials

Trials 3

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 11 trial
Phase 1 NCT06542536 Aug → Oct 2024 obesity disorder Novo Nordisk A/S Completed No outcome recorded
Phase 22 trials · 1 met primary · 1 missed
Phase 2 NCT05891834 Sep 2023 → Jun 2024 abdominal obesity-metabolic syndrome, obesity disorder Inversago Pharma Inc. Completed Met primary
Phase 2 NCT05514548 Oct 2022 → Aug 2024 diabetic kidney disease Inversago Pharma Inc. Completed Missed primary

News releases announcing trial results or a regulatory action · 1

DateIssuerRelease
2024-09-20 Novo Nordisk A/S Results Novo Nordisk A/S: Monlunabant phase 2a trial in obesity successfully completed novonordisk.com ↗
Novo Nordisk today announced headline results from a phase 2a clinical trial with monlunabant, a small molecule oral cannabinoid receptor 1 (CB1) inverse agonist.

All press releases naming this drug 1 release

DateIssuerRelease

Evidence & citations 6 cited values

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

FieldValueCited text
Known as monlunabant “we investigated the efficacy and safety of monlunabant, a second-generation cannabinoid receptor 1 inverse agonist, in individuals with DKD.” PMID 41866124 ↗ Mar 2026
2

“BACKGROUND: Monlunabant, a novel cannabinoid receptor 1 (CB1R) inverse agonist, has shown encouraging weight loss efficacy and tolerability.” PMID 41038215 ↗ Sep 2025

NCT06542536 ↗

Known as MRI-1891 ChEMBL registry synonym — accepted as the source's own label CHEMBL5314529 ↗
Known as MRI-1891, (S)- ChEMBL registry synonym — accepted as the source's own label CHEMBL5314529 ↗
Action Inhibit “CB1R inverse agonist” PMID 41038215 ↗ Sep 2025
Modality Small molecule — CHEMBL5314529 ↗
Route Oral “Participants were randomized (1:1:1) to receive oral tablets of monlunabant 10 mg or 25 mg, or placebo once daily for 16 weeks.” PMID 41866124 ↗ Mar 2026