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Psychedelic Bulletin #156: Canada’s First Published Psilocybin Trial; University of Maryland Joins Terran’s Complaint Against Compass

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Pα+ Psychedelic Bulletin #156: Canada’s First Published Psilocybin Trial; University of Maryland Joins Terran’s Complaint Against Compass

  • Canada’s First Published Psilocybin Trial: Includes Patients with BDII and Personality Disorders, Employs Flexible Repeat Dosing Protocol
  • University of Maryland Joins Terran Biosciences’ Complaint Against Compass Pathways
  • Further Reading & Other Stories

Canada’s First Published Psilocybin Trial: Includes Patients with BDII and Personality Disorders, Employs Flexible Repeat Dosing Protocol

On Valentine’s Day, Canada’s first randomised trial of psilocybin was published in Med (Rosenblat et al., 2024; NCT05029466). There were plenty of other ‘firsts’, too. The study was the first randomized clinical trial to include those with bipolar II disorder (BDII)1 and the first to adopt a flexible repeat dosing regime, among other things.

It appears that the investigators sought to design this study in a way that better resembles how psilocybin may be used in clinical practice (e.g., repeat doses administered in an “intuitive” manner based on the judgement of a clinician), and the potential patient populations it might be most likely to serve (e.g., patients with complex presentations of depression with comorbidities, who are highly refractory...

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