Efficacy of psilocybin for treating symptoms of depression: systematic review and meta-analysis
Objective To determine the efficacy of psilocybin as an antidepressant compared with placebo or non-psychoactive drugs. Design Systematic review and meta-analysis. Data sources Five electronic databases of published literature (Cochrane Central Register of Controlled Trials, Medline, Embase, Science Citation Index and Conference Proceedings Citation Index, and PsycInfo) and four databases of unpublished and international literature (ClinicalTrials.gov, WHO International Clinical Trials Registry Platform, ProQuest Dissertations and Theses Global, and PsycEXTRA), and handsearching of reference l...