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Clinical Trial Summary

The goal of this randomized placebo controlled trial is to compare the antidepressant effect of a single oral dose of psilocybin 25 mg compared to 1 mg in 100 patients with cancer related major depressive disorder. The main question it aims to answer is: The primary objective of this study is to evaluate the efficacy of a single 25 mg oral dose of psilocybin for major depressive disorder (MDD) compared to an active placebo (psilocybin 1 mg) assessed as the difference between groups in changes in depressive symptoms, in the following Population: 20-80 (inclusive) years old, current depressive episode (according to Patient Health Questionnaire (PHQ-9) ≥10), >1 month after cancer diagnosis, with at least 12 months of life expectancy, willingness to abstain from other psychotherapeutic or antidepressant treatments during the study (wash out time 5 half-lives).


Clinical Trial Description

n/a


Study Design


Related Conditions & MeSH terms


NCT number NCT06319378
Study type Interventional
Source Section for Affective Disorders; Northern Stockholm Psychiatry
Contact Johan Lundberg
Phone 0812340000
Email johan.lundberg@ki.se
Status Recruiting
Phase Phase 2
Start date April 17, 2024
Completion date December 2025

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