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New sleep therapy aims to ease PTSD nightmares in veterans

NCT ID NCT06549049

Symptom relief Sponsor: VA Office of Research and Development Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests a sleep treatment called TranS-C, adapted for veterans with PTSD and sleep problems. The goal is to improve sleep, reduce nightmares, and help veterans function better in daily life. 182 veterans will receive either the sleep treatment or usual care to see if it works.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Transdiagnostic sleep and circadian intervention (TranS-C) for PTSD
What this could lead to
If successful, this could provide an effective, non-drug treatment to improve sleep and daily life for veterans with PTSD.
What could go wrong
This is a relatively early-stage trial with 182 participants, and the intervention is behavioral, so results may vary. It may not work for all veterans or lead to lasting improvements.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 182 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Sep 2026

An estimate. Start dates often move.

Expected to finish

Jan 2029

An estimate. End dates often move.

Lead sponsor

A government agency

The lead sponsor is a US federal agency other than the NIH.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * U.S. Military Veteran aged 18 and above engaged in VA primary and/or mental health care * CAPS 5 PTSD diagnosis; or CAPS 5 score \>=25 in the absence of full criteria * SCID Insomnia Disorder diagnosis, supported by ISI score \>=10 * CAPS-IV nightmare score \>=4 * Sleep-related functional impairment based on a WHODAS score \>=32 * Willingness to engage in 8-12 sessions of treatment to address their sleep disturbance Exclusion Criteria: * Current cognitive problems, active psychosis or mania, or other mental/cognitive conditions such as moderate to severe neurodegenerative disease that would render the participant unable to connect to videoconferencing platform, engage in remote psychotherapy, or communicate using the required VA secure email platform * No access to reliable internet service connected to a computer, iPad or similar device (telephone not adequate) * Inability or unwillingness to use a VA-approved videoconferencing platform and VA secure email; * Current engagement in a sleep-focused psychotherapy, or plan to start a sleep-focused psychotherapy in the next 3 months. Sleep-focused psychotherapies include, but are not limited to, CBT-I, BBT-I, and IRT

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Conditions

The condition(s) this trial relates to.

insomnia post-traumatic stress disorder sleep disorder, initiating and maintaining sleep

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Sleep initiation and maintenance disorders Stress disorders, post-traumatic

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • San Francisco VA Medical Center, San Francisco, CA

    San Francisco, California, 94121-1563, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.