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

NCT ID NCT06124898

Completed Symptom relief Sponsor: Northeastern University Source: ClinicalTrials.gov ↗

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.

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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

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