Microdosing psilocybin for major depressive disorder: study protocol for a phase II double-blind placebo-controlled randomised partial crossover trial

Authors

Anya Ragnhildstveit (ORCID: https://orcid.org/0000-0002-5796-3428)
Rotem Petranker (ORCID: https://orcid.org/0000-0001-6354-0109)
Omer A. Syed (ORCID: https://orcid.org/0000-0002-4027-5223)
Tatiana Son (ORCID: https://orcid.org/0000-0003-0351-8596)
Thomas Anderson (ORCID: https://orcid.org/0000-0002-2387-5219)
Emily C. Fewster
Zeina Beidas
Ismail Kaan Kanca
Magdalena Jaglinska
Valentyne Sobolenko (ORCID: https://orcid.org/0009-0001-9574-4648)
Norman Farb
Adam Blackman

Institutions

Baylor College of Medicine (US)
University of Toronto (CA)
Queen's University (CA)
University of Cambridge (GB)
Canadian Armed Forces (CA)
Wuxi Pneumatic Technology Research Institute (CN)
Remedi (GB)
University College London (GB)
McMaster University (CA)

Publication Details

Journal: BJPsych Open
Published: 2026-02-16
DOI: https://doi.org/10.1192/bjo.2025.10968
Primary Topic: Psychedelics and Drug Studies
Type: article
Field-Weighted Citation Impact: 0.00

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article

Microdosing psilocybin for major depressive disorder: study protocol for a phase II double-blind placebo-controlled randomised partial crossover trial

Anya Ragnhildstveit, Rotem Petranker, Omer A. Syed, Tatiana Son et al.

Feb 16, 2026

BJPsych Open

Psychedelics and Drug Studies

article

Microdosing psilocybin for major depressive disorder: study protocol for a phase II double-blind placebo-controlled randomised partial crossover trial

Anya Ragnhildstveit, Rotem Petranker, Omer A. Syed, Tatiana Son, Thomas Anderson, Emily C. Fewster, Zeina Beidas, Ismail Kaan Kanca, Magdalena Jaglinska, Valentyne Sobolenko, Norman Farb, Adam Blackman

February 16, 2026article en

Abstract

No abstract available for this paper.

BJPsych OpenVol. 12(2)

Baylor College of Medicine (US), University of Toronto (CA), Queen's University (CA), University of Cambridge (GB), Canadian Armed Forces (CA), Wuxi Pneumatic Technology Research Institute (CN), Remedi (GB), University College London (GB), McMaster University (CA)

Openalex Percentile: Top 57%

Psychedelics and Drug Studies

DOI Open Access PDF OpenAlex

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Microdosing psilocybin for major depressive disorder: study protocol for a phase II double-blind placebo-controlled randomised partial crossover trial — Anya Ragnhildstveit, Rotem Petranker, et al. · BJPsych Open (2026) | TGRS Research Map | TGRS