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NOT YET RECRUITING
NCT07671248
PHASE4

Tirzepatide in the Treatment of Cannabis Use Disorder: A Proof-of-Concept Study

Sponsor: McMaster University

View on ClinicalTrials.gov

Summary

Cannabis is the most commonly used psychoactive substance in Canada (Lowry \& Corsi, 2020). A sub-group of cannabis users develop Cannabis Use Disorder (CUD). CUD is a pattern of cannabis use that results in impairment in functioning, symptoms of tolerance, withdrawal, and distress (Hasin et al., 2013). Several pharmacological and psychosocial interventions have been evaluated for their efficacy in treating CUD, however they lack high success rates. GLP-1RA's have shown promising results in reducing food and alcohol cravings and intake (Bruns et al., 2024). Tirzepatide acts as both a GLP-1RA and a glucose-dependent insulinotropic polypeptide receptor agonist (Min \& Bain, 2021). Tirzepatide has been reported to reduce alcohol consumption (Quddos et al., 2023), and therefore may have promising effects as a treatment for CUD. We aim to conduct a study using Tirzepatide-assisted-psychotherapy in the treatment of CUD. This study aims to evaluate the feasibility and tolerability of weekly injections of Tirzepatide combined with Motivational Enhancement Therapy in adults with CUD. This trial will be the first to examine the potential therapeutic effects of Tirzepatide in CUD.

Official title: A 12-Week Phase 4 Clinical Trial to Evaluate the Safety, Tolerability and Efficacy of Tirzepatide-Assisted-Psychotherapy in Adults With Cannabis Use Disorder: A Proof-of-Concept Study

Key Details

Gender

All

Age Range

18 Years - Any

Study Type

INTERVENTIONAL

Enrollment

15

Start Date

2026-08-01

Completion Date

2028-07-31

Last Updated

2026-06-26

Healthy Volunteers

No

Interventions

DRUG

Tirzepatide

Treatment will occur over a 12-week period, with once-weekly injections of escalating doses every 3 weeks from 2.5mg to 10mg. Tirzepatide will be used in conjunction with Motivational Enhancement Therapy (MET).

Locations (1)

MacAnxiety Research Centre

Hamilton, Ontario, Canada