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Phone feedback cuts heavy drinking in young adults?

NCT ID NCT05509218

Disease control Sponsor: Brown 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested whether sending young adults personalized feedback about their drinking the morning after could help them cut back. 152 heavy drinkers aged 18-29 were randomly assigned to receive daily feedback via mobile phone, with or without monetary incentives, or just complete surveys. The goal was to see if this approach reduces drinks per week, heavy drinking days, and negative consequences.

What this could mean

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

Active substance
Mobile-delivered personalized feedback
What this could lead to
If it works, this could provide a scalable, low-cost way to help young adults reduce hazardous drinking.
What could go wrong
This is a small pilot study (152 participants) testing feasibility, not a large trial. Results may not generalize, and the intervention may not produce lasting behavior change.

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

152 people

The number who actually took part.

Started

Aug 2024

Finished

Oct 2025

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 29 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: * Age 18-29 years * Own a smartphone and use it daily * Heavy episodic drinking (4+/5+ drinks for women/men) at least weekly in past month * At least one of 10 negative consequences assessed * at least somewhat willing to consider drinking even a little less than current Exclusion Criteria: * current participation in treatment for an alcohol or other substance use disorder * participation in an earlier phase of the study * enrollment in ongoing alcohol studies at the same university

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Conditions

The condition(s) this trial relates to.

Alcohol Drinking Underage Drinking

As listed by the trial registrant

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

Alcohol drinking Youth drinking

Contacts and locations

Locations

  • Brown University

    Providence, Rhode Island, 02903, United States

More trials for these conditions

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