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Could a nerve zap help veterans with PTSD sleep better?

NCT ID NCT04021537

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
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether a gentle electrical stimulation on the skin can improve sleep in veterans with PTSD. The device, similar to a TENS unit, targets two different nerve locations to see which works better. Researchers will measure sleep quality using overnight sleep tests in 87 veterans.

What this could mean

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

Active substance
non-invasive nerve stimulation via TENS unit
What this could lead to
If it works, this could offer a new, non-drug way to improve sleep for veterans with PTSD.
What could go wrong
This is a small, early-stage study with 87 participants and no placebo group, so results may not apply widely. The effect on sleep may be modest.

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

87 people

The number who actually took part.

Started

Jan 2020

Expected to finish

Oct 2026

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 to 55 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * Condition: Hx VA/DOD criteria PTSD w or w/o mTBI and current sig symptoms of PTSD * English fluency Exclusion Criteria: * Neurological injuries or conditions aside from mTBI that may affect outcome variables and/or other variables in the study * Psychiatric issues that are unlikely to be related to trauma that may affect outcomes and/or other variables in the * e.g., schizophrenia * Untreated sleep apnea * CPAP controlled sleep apnea is okay * Major uncorrected sensory deficit * Current drug or alcohol abuse * Drug abuse within the last two months will result in exclusion or delay * Marijuana use or alcohol intoxication within 2 weeks of study will be acceptable * No pregnancy

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Conditions

The condition(s) this trial relates to.

post-traumatic stress disorder

As listed by the trial registrant

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

PTSD

Contacts and locations

Locations

  • North Florida/South Georgia Veterans Health System, Gainesville, FL

    Gainesville, Florida, 32608-1135, United States

More trials for these conditions

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