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Smartphone breathalyzer and cash rewards aim to curb heavy drinking in veterans

NCT ID NCT03987581

Disease control Sponsor: Duke University 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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 02, 2026 · Last updated Jul 02, 2026

Summary

This study tests whether adding a smartphone-based incentive program to standard counseling helps veterans with alcohol use disorder reduce heavy drinking. Participants use a mobile app to submit breath alcohol readings and earn rewards for abstinence. The trial compares this combined approach to counseling alone and also examines the cost-effectiveness of the program.

What this could mean

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

Active substance
cognitive behavioral therapy and mobile contingency management (incentives for abstinence)
What this could lead to
If effective, this approach could provide a scalable, cost-effective way to help veterans reduce heavy drinking and improve health outcomes.
What could go wrong
The trial is relatively small (151 participants) and focuses on veterans, so results may not apply to other groups. The mobile app and incentive system may not work for everyone.

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

151 people

The number who actually took part.

Started

Nov 2019

Finished

Nov 2024

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 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: * are an enrolled veteran at the DVAHCS for primary care, * have current AUD (meeting past month DSM-5 criteria), and * are willing to make a quit attempt and/or reduce alcohol use to low risk levels. Exclusion Criteria: * have fewer than 3 days of abstinence, * have a history of clinically significant alcohol withdrawal, as indicated by a score of 10 or more on the Clinical Institute Withdrawal Assessment of Alcohol (CIWA), or * are currently receiving professional behavioral treatment for AUD.

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Conditions

The condition(s) this trial relates to.

alcohol abuse Alcohol Drinking

As listed by the trial registrant

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

Alcohol drinking Veterans

Contacts and locations

Locations

  • Duke University Medical Center

    Durham, North Carolina, 27706, United States

More trials for these conditions

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