Psychiatry research

Effectiveness and safety of psychedelic-assisted therapy in real-world use: Results from a large compassionate use group in Switzerland

Updated

Abstract

A total of 115 patients with treatment-resistant depressive and/or anxiety disorders showed significant improvements in symptoms after a first session of psychedelic-assisted psychotherapy.

  • Depressive symptoms decreased significantly, with a strong statistical effect (BDI: F(2178) = 63.50, p < 0.001).
  • Anxiety symptoms also showed significant reduction (STAI-T: F(1.74,145.9) = 16.97, p < 0.001).
  • Cognitive emotion regulation analysis indicated reduced self-blame, rumination, and catastrophizing, alongside increased positive emotional strategies.
  • Participants experienced distinct temporal profiles for the perceived intensity of LSD and psilocybin, but overall subjective effects were comparable.
  • Adverse events reported were mostly mild and transient, with no serious complications or treatment discontinuations noted.

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Competing interests

Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
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