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Can a phone app keep you sober? new study tests Anti-Alcohol training

NCT ID NCT03952429

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
Running, but no longer taking on new participants.
Completed This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tested a smartphone app designed to help people recovering from alcohol dependence avoid relapse. The app uses a training game to change unconscious habits that make people reach for alcohol. 600 participants used either the active training or a placebo version. The goal was to see if the app reduces craving and lowers relapse rates after leaving inpatient care.

What this could mean

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

Active substance
smartphone app with cognitive bias modification training
What this could lead to
If it works, this could provide an easy, at-home tool to help people recovering from alcohol dependence stay sober and reduce relapse rates.
What could go wrong
This is a completed study, but the app only targets unconscious biases and may not work for everyone. Relapse rates remain high, and the benefit seen so far is modest (4-8% reduction).

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

600 people

The number who actually took part.

Started

May 2019

Finished

Oct 2023

Lead sponsor

A research network

The lead sponsor is a research network or cooperative group.

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: * A diagnosis of Alcohol dependence / Alcohol Use disorder * Taking part in alcohol rehabilitation program in Salus Clinic Lindow or being part of a self-help group Exclusion Criteria: * Visual or motor impairments that would affect the use of smartphones

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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

  • Salus Klinik Lindow

    Lindow, Brandenburg, Germany

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