Effects of Psilocybin in Concussion Headache
Public ClinicalTrials.gov record NCT03806985. 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.
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: Sub-Study II
Study identification
- NCT ID
- NCT03806985
- Recruitment status
- Terminated
- Study type
- Interventional
- Phase
- Phase 1
- Lead sponsor
- Yale University
- Other
- Enrollment
- 12 participants
Conditions and interventions
Conditions
Interventions
- High Dose Psilocybin Drug
- Low Dose Psilocybin Drug
- Placebo oral capsule 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
- Mar 27, 2019
- Primary completion
- Jun 26, 2023
- Completion
- Jun 26, 2023
- Last update posted
- Oct 11, 2023
2019 – 2023
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 NCT03806985, 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 Oct 11, 2023 · Synced May 7, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03806985 live on ClinicalTrials.gov.