Randomised, double-blind, placebo-controlled Phase II parallel trial (n=60) testing a single oral 25 mg dose of psilocybin versus placebo in patients with alcohol use disorder who completed withdrawal within 6 weeks.
Randomised, double-blind, placebo-controlled, single-centre Phase II study comparing single-dose oral psilocybin (25 mg) to placebo in patients with alcohol use disorder who have completed withdrawal treatment in the prior six weeks.
Primary outcomes assess effects on alcohol use behaviour and clinical symptoms; mechanistic outcomes include neurocognitive and emotional measures. The protocol includes six clinic visits over six weeks and follow-up surveys at 3 and 6 months.
Single oral dose psilocybin 25 mg administered in clinic; parallel-group active arm.
Single oral capsule (25 mg).
Single oral placebo capsule (mannitol).
Placebo (mannitol 100%).