# Lysergic Acid Diethylamide (LSD) as Treatment for Cluster Headache

> **NCT03781128** · PHASE2 · RECRUITING · sponsor: **University Hospital, Basel, Switzerland** · enrollment: 30 (estimated)

## Conditions studied

- Cluster Headache

## Interventions

- **DRUG:** Lysergic Acid Diethylamide
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT03781128
- **Lead sponsor:** University Hospital, Basel, Switzerland
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2019-01-02
- **Primary completion:** 2025-12
- **Final completion:** 2025-12
- **Target enrollment:** 30 (ESTIMATED)
- **Last updated:** 2025-02-07


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03781128

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03781128, "Lysergic Acid Diethylamide (LSD) as Treatment for Cluster Headache". Retrieved via AI Analytics 2026-06-12 from https://api.ai-analytics.org/clinical/NCT03781128. Licensed CC0.

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