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Trial suggests effectiveness of psilocybin for cocaine use disorder

The Brown University Psychopharmacology Update August 3, 2026 DOI: 10.1002/pu.31488 (opens in new tab)

Study at a glance

AI-extracted from the abstract
Characteristics Randomized controlled trial Peer reviewed
Population Individuals with cocaine use disorder
Interventions Psilocybin Psychotherapy
Topics Psilocybin
Key findings A single dose of psilocybin combined with psychotherapy led to greater reductions in cocaine use compared to active placebo with psychotherapy, with no serious adverse events reported.

Abstract

Individuals with cocaine use disorder who received a single dose of psilocybin combined with psychotherapy showed greater reductions in cocaine use relative to active placebo with psychotherapy, a randomized trial has found. No serious adverse events were reported during the trial.

Comparable studies

Other randomized controlled trials on psilocybin, most cited first.

Study Year Design Participants
Psilocybin produces substantial and sustained decreases in depression and anxiety in patients with life-threatening cancer: A randomized double-blind trial Cancer patients with life-threatening diagnoses and symptoms of depression and/or anxiety 2016 Randomized controlled trial n = 51
Rapid and sustained symptom reduction following psilocybin treatment for anxiety and depression in patients with life-threatening cancer: a randomized controlled trial Patients with cancer-related anxiety and depression 2016 Double-blind, placebo-controlled, crossover trial n = 29
Psilocybin can occasion mystical-type experiences having substantial and sustained personal meaning and spiritual significance Hallucinogen-naïve adults reporting regular participation in religious or spiritual... 2006 Double-blind study n = 36
Trial of Psilocybin versus Escitalopram for Depression Selected group of patients with depression 2021 Randomized controlled trial
Effects of Psilocybin-Assisted Therapy on Major Depressive Disorder Adults aged 21 to 75 years with major depressive disorder, not currently using... 2020 Randomized controlled trial n = 24

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