Psilocybin depression study ends early, but data still sheds light
Knowledge-focused
Terminated
This study was a long-term follow-up of people with major depressive disorder who received a single dose of psilocybin or niacin in an earlier trial. Researchers tracked their depression symptoms through online surveys and phone interviews over one year. The study was terminated …
Sponsor: Usona Institute • Aim: Knowledge-focused
Last updated May 08, 2026 12:01 UTC