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Indication

Cluster Headache

4 registered trials testing LSD, Psilocybin, Ketamine for this indication, 1 recruiting now.

4
Registered trials
1
Recruiting
0
In Phase 3

Substances tested

Being studied with

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This registry is rebuilt every day. If no trial is recruiting for you today, that can change within weeks.

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Trials

All 4 trials for Cluster Headache

TrialStatusPhaseSubstanceSites
Lysergic Acid Diethylamide (LSD) as Treatment for Cluster HeadacheNCT03781128 · University Hospital, Basel, SwitzerlandRecruitingPhase 2lsd1
Prophylactic Effects of Psilocybin on Chronic Cluster HeadacheNCT04280055 · Gitte Moos KnudsenTerminatedPhase 1 / Phase 2psilocybin1
Effect of Ketamine Intranasal Spray in Treatment of Chronic Cluster HeadacheNCT04179266 · CCH PharmaceuticalsCompletedPhase 1 / Phase 2ketamine1
Psilocybin for the Treatment of Cluster HeadacheNCT02981173 · Yale UniversityCompletedPhase 1psilocybin1

Records from ClinicalTrials.gov API v2, data build 2026-08-25. Indications are the sponsors’ own words. LSD.com reports registered clinical research. It is not medical advice, it is not a recommendation to take any substance, and trial listings are not endorsements. Talk to a clinician.