Suvorexant: A Dual Orexin Receptor Antagonist for Treating Sleep Disturbance in Posttraumatic Stress
Public ClinicalTrials.gov record NCT03642028. 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
Suvorexant: A Dual Orexin Receptor Antagonist for Treating Sleep Disturbance inPosttraumatic Stress
Study identification
- NCT ID
- NCT03642028
- Recruitment status
- Recruiting
- Study type
- Interventional
- Phase
- Phase 4
- Lead sponsor
- VA Office of Research and Development
- Federal
- Enrollment
- 190 participants
Conditions and interventions
Interventions
- Suvorexant Drug
- Placebo Other
Drug · Other
Eligibility (public fields only)
- Age range
- 18 Years to 75 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
- Aug 29, 2019
- Primary completion
- Dec 30, 2025
- Completion
- Dec 30, 2025
- Last update posted
- Jul 17, 2025
2019 – 2025
United States locations
- U.S. sites
- 4
- U.S. states
- 3
- U.S. cities
- 4
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| VA Long Beach Healthcare System, Long Beach, CA | Long Beach | California | 90822 | Recruiting |
| San Francisco VA Medical Center, San Francisco, CA | San Francisco | California | 94121-1563 | Recruiting |
| Salisbury W.G. (Bill) Hefner VA Medical Center, Salisbury, NC | Salisbury | North Carolina | 28144 | Recruiting |
| Ralph H. Johnson VA Medical Center, Charleston, SC | Charleston | South Carolina | 29401-5703 | Recruiting |
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 NCT03642028, 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 Jul 17, 2025 · Synced Jul 24, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03642028 live on ClinicalTrials.gov.