Could a common sleep pill boost PTSD treatment in veterans?
NCT ID NCT06788522
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tests whether suvorexant, a medication already approved for insomnia, can help Veterans with PTSD and sleep problems better unlearn fear responses. About 40 Veterans will take either suvorexant or a placebo for 7 nights while researchers measure their skin responses to fear cues. The goal is to see if blocking orexin, a brain chemical that promotes wakefulness, can enhance fear extinction—a key process in PTSD recovery.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- Suvorexant
- What this could lead to
- If it works, this could point toward a new way to enhance PTSD treatment by improving how the brain unlearns fear responses.
- What could go wrong
- This is a very small early study (40 participants) focused on lab-based fear measures, not real-world PTSD symptoms. Results may not translate to clinical improvement.
This is an AI summary of the original study and may miss details. Read our disclaimer.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
-
Ralph H. Johnson VA Medical Center, Charleston, SC
Charleston, South Carolina, 29401-5703, United States
-
San Francisco VA Medical Center, San Francisco, CA
San Francisco, California, 94121-1563, United States
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