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Tetris tested as a tool to block traumatic flashbacks

NCT ID NCT07495917

Symptom relief Sponsor: Shaanxi Normal University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Sep 03, 2026 · Updated 3 times

Summary

This study tests a new approach to reduce intrusive memories in people with PTSD. Participants are briefly exposed to trauma cues without realizing it, then play Tetris. The idea is to disrupt memory reconsolidation without needing to consciously recall the trauma. The trial will enroll 106 trauma-exposed individuals who have at least five intrusive memories per week.

What this could mean

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

Active substance
Tetris gameplay and subliminal trauma reactivation
What this could lead to
If it works, this could offer a low-stress, non-talk therapy for reducing intrusive memories in PTSD.
What could go wrong
This is an early trial with only 106 participants, not yet recruiting. The effect may be small or not work outside the lab.

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 106 people

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

Started

Apr 2026

Expected to finish

Jul 2028

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

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

Ages

18 to 50 years

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: 1. Meet DSM-5 PTSD Criterion A (eg, exposure to actual or threatened death). Have experienced one or more traumatic events. 2. Experienced three or more intrusive memories during the baseline week. 3. Have internet access and have access to a personal computer. 4. Be willing to provide consent and able to complete study procedures and be contacted by the study team. Exclusion Criteria: 1. Have fewer than three intrusive memories during the baseline week. 2. A current diagnosis of schizophrenia, obsessive-compulsive disorder (OCD), a severe personality disorder judged to interfere with treatment adherence, or acute suicidal behavior. 3. Have severe substance dependence.

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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.

Intrusive memories of traumatic event(S) Post traumatic stress disorder PTSD

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

  • School of Psychology, Shaanxi Normal University

    RECRUITING

    Xi'an, Shaanxi, 710062, China

More trials for these conditions

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