Study summary
A psilocybin pulse regimen reduced attack frequency in a small blinded extension
What was tested
A short pulse of low-dose psilocybin against placebo for cluster headache, in a blinded extension phase of a randomized trial.
What they found
- Attack frequency fell after the psilocybin pulse compared with placebo in the extension phase.
What it means
Supports larger, carefully controlled trials of psychedelics, which are now underway with LSD.
Last reviewed 2026-11-14 by the Find a Trial editorial team.
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