Single-Dose Psilocybin for a Treatment-Resistant Episode of Major Depression.

Guy M Goodwin*, Scott T Aaronson, Oscar Alvarez, Peter C Arden, Annie Baker, James C Bennett, Catherine Bird, Renske E Blom, Christine Brennan, Donna Brusch, Lisa Burke, Kete Campbell-Coker, Robin Carhart-Harris, Joseph Cattell, Aster Daniel, Charles DeBattista, Boadie W Dunlop, Katherine Eisen, David Feifel, MacKenzie ForbesHannah M Haumann, David J Hellerstein, Astrid I Hoppe, Muhammad I Husain, Luke A Jelen, Jeanine Kamphuis, Julie Kawasaki, John R Kelly, Richard E Key, Ronit Kishon, Stephanie Knatz Peck, Gemma Knight, Martijn H B Koolen, Melanie Lean, Rasmus W. Licht, Jessica L Maples-Keller, Jan Mars, Lindsey Marwood, Martin C McElhiney, Tammy L Miller, Arvin Mirow, Sunil Mistry, Tanja Mletzko-Crowe, Liam N Modlin, René E. Nielsen, Elizabeth M Nielson, Sjoerd R Offerhaus, Veronica O'Keane, Tomáš Páleníček, David Printz, Marleen C Rademaker, Aumer van Reemst, Frederick Reinholdt, Dimitris Repantis, James Rucker, Samuel Rudow, Simon Ruffell, A John Rush, Robert A Schoevers, Mathieu Seynaeve, Samantha Shao, Jair C Soares, Metten Somers, Susan C Stansfield, Diane Sterling, Aaron Strockis, Joyce Tsai, Lucy Visser, Mourad Wahba, Samuel Williams, Allan H Young, Paula Ywema, Sidney Zisook, Ekaterina Malievskaia

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

259 Citations (Scopus)

Abstract

BACKGROUND: Psilocybin is being studied for use in treatment-resistant depression. METHODS: In this phase 2 double-blind trial, we randomly assigned adults with treatment-resistant depression to receive a single dose of a proprietary, synthetic formulation of psilocybin at a dose of 25 mg, 10 mg, or 1 mg (control), along with psychological support. The primary end point was the change from baseline to week 3 in the total score on the Montgomery-Åsberg Depression Rating Scale (MADRS; range, 0 to 60, with higher scores indicating more severe depression). Secondary end points included response at week 3 (≥50% decrease from baseline in the MADRS total score), remission at week 3 (MADRS total score ≤10), and sustained response at 12 weeks (meeting response criteria at week 3 and all subsequent visits). RESULTS: A total of 79 participants were in the 25-mg group, 75 in the 10-mg group, and 79 in the 1-mg group. The mean MADRS total score at baseline was 32 or 33 in each group. Least-squares mean changes from baseline to week 3 in the score were -12.0 for 25 mg, -7.9 for 10 mg, and -5.4 for 1 mg; the difference between the 25-mg group and 1-mg group was -6.6 (95% confidence interval [CI], -10.2 to -2.9; P
Original languageEnglish
JournalThe New England Journal of Medicine
Volume387
Issue number18
Pages (from-to)1637-1648
Number of pages12
ISSN0028-4793
DOIs
Publication statusPublished - 10 Nov 2022

Keywords

  • Adult
  • Antidepressive Agents
  • Depression
  • Depressive Disorder, Major
  • Depressive Disorder, Treatment-Resistant
  • Double-Blind Method
  • Humans
  • Psilocybin
  • Treatment Outcome
  • adverse effects
  • drug therapy
  • psychology
  • therapeutic use

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