Chronic Postconcussive Headache: A Placebo-Controlled Treatment Trial of Prazosin
Public ClinicalTrials.gov record NCT02266329. 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.
Study identification
- NCT ID
- NCT02266329
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 1, Phase 2
- Lead sponsor
- VA Office of Research and Development
- Federal
- Enrollment
- 89 participants
Conditions and interventions
Conditions
Interventions
- placebo Drug
- prazosin hydrochloride Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years and older
- 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
- Jan 3, 2016
- Primary completion
- May 30, 2023
- Completion
- Sep 29, 2023
- Last update posted
- Mar 29, 2026
2016 – 2023
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| VA Puget Sound Health Care System Seattle Division, Seattle, WA | Seattle | Washington | 98108-1532 | — |
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 NCT02266329, 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 Mar 29, 2026 · Synced May 20, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT02266329 live on ClinicalTrials.gov.