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Clinical Trial Summary

This is an open-label pilot trial to assess the safety and feasibility of a novel 8-week psilocybin-assisted psychotherapy intervention to facilitate successful tapering/discontinuation of opioid pain medication in adult patients receiving long-term opioid therapy for chronic pain. Participation will last approximately 8 months and includes one or two psilocybin-assisted therapy sessions. The study will evaluate the incidence and severity of adverse events during and after treatment, the number of participants who drop out of the study for intervention-related reasons, and the self-reported benefits and harms of the intervention.


Clinical Trial Description

The purpose of this pilot study is to establish the safety and tolerability of a therapeutic intervention using psilocybin-assisted psychotherapy as a novel treatment for opioid tapering in a sample of patients with chronic pain. Participants will be patients who have failed previous attempts to reduce their use of opioid medication and who have no medical or psychological contraindications for psilocybin administration. This pilot study involves an 8-week open-label, non-randomized therapeutic intervention and a 6-month follow-up period. To provide a supportive context for the drug experience, participants will receive preparatory and integrative sessions following an acceptance and commitment therapy model for psychedelic therapy. The physician-supervised opioid taper will begin following the first psilocybin dosing session (25mg) after an integration session with therapists, and a second optional psilocybin dosing session (37.5mg) will be facilitated one month later. Assessments will be completed at baseline, and at follow-up points at 1-month, 3-months and 6-months post-intervention to evaluate both acute and long-term effects of the intervention. Primary outcomes of interest are rates of adverse events, retention rates, and patient perceptions of intervention tolerability. Preliminary efficacy of the treatment will be evaluated by tracking opioid reduction rates and long-term maintenance of these reductions. Other measures of interest include qualities of the psychedelic experience, opioid cravings and withdrawal, chronic pain symptoms, and psychological mechanisms. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05585229
Study type Interventional
Source University of British Columbia
Contact W. Francois Louw, MD
Phone 250-860-9754
Email doclouw@mail.ubc.ca
Status Not yet recruiting
Phase Phase 2
Start date November 1, 2023
Completion date August 31, 2025

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