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Can a breathalyzer app curb binge drinking? small study tests new approach

NCT ID NCT06124898

Symptom relief Sponsor: Northeastern 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested a combination of a smartphone breathalyzer, a blood alcohol estimator app, and a brief counseling session to help young adults ages 18-25 drink more moderately. Twenty-four participants used the tools for two weeks while drinking. The goal was to see if the technology and coaching were easy to use and acceptable, not to prove they reduce drinking long-term.

What this could mean

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

Active substance
Smartphone breathalyzer, BAC estimator app, self-texting procedure, and brief motivational interview
What this could lead to
If successful, this approach could provide a practical tool to help young adults reduce heavy drinking and related harms.
What could go wrong
This is a very small, early-stage study with only 24 participants and no control group, so results may not apply broadly. The intervention relies on voluntary use while drinking, which may be inconsistent.

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

24 people

The number who actually took part.

Started

Nov 2023

Finished

Aug 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 to 25 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: * Be between the ages of 18-25 * Be able to read English and complete study evaluations * At least occasional heavy episodic drinking (i.e., 4 or more drinks for women and 5 or more drinks for men) over the prior 30 days * Frequent consumption of at least one alcoholic drink during a minimum of 12 days out of the prior 30 so that subjects will have multiple opportunities to use the moderate drinking technologies during the intervention period. Exclusion Criteria: * Severe substance use disorder * Be psychotic or otherwise severely psychiatrically disabled * Report a history of a medical condition that would contraindicate the consumption of alcohol (e.g., liver disease, cardiac abnormality, pancreatitis, diabetes, neurological problems, and gastrointestinal disorders)

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Conditions

The condition(s) this trial relates to.

alcohol abuse Alcohol Drinking Drinking Behavior

As listed by the trial registrant

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

Alcohol drinking Alcohol use Drinking behavior

Contacts and locations

Locations

  • EDGE Lab

    Boston, Massachusetts, 02115, United States

More trials for these conditions

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