ClinicalTrials.gov record
Completed Phase 1 Interventional

Psilocybin for the Treatment of Cluster Headache

ClinicalTrials.gov ID: NCT02981173

Public ClinicalTrials.gov record NCT02981173. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced May 19, 2026, 6:31 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Safety and Efficacy of Psilocybin for the Treatment of Headache Disorders

Study identification

NCT ID
NCT02981173
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1
Lead sponsor
Yale University
Other
Enrollment
25 participants

Conditions and interventions

Interventions

  • 0.0143 mg/kg Psilocybin or 1 mg Psilocybin Drug
  • 0.143 mg/kg Psilocybin or 10 mg Psilocybin Drug
  • Placebo Drug

Drug

Eligibility (public fields only)

Age range
21 Years to 65 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Dec 4, 2016
Primary completion
Jun 29, 2022
Completion
Oct 20, 2022
Last update posted
Dec 14, 2023

2016 – 2022

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
VA Connecticut Healthcare System West Haven Connecticut 06516

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT02981173, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Dec 14, 2023 · Synced May 19, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT02981173 live on ClinicalTrials.gov.

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