This study tested whether a single 25 mg dose of psilocybin (the active ingredient in magic mushrooms) can reduce depression symptoms in adults with major depressive disorder. 347 participants received either psilocybin or an active placebo (niacin) and were followed for 43 days.…
Phase: PHASE2 • Sponsor: Usona Institute • Aim: Symptom relief
Last updated May 06, 2026 16:00 UTC