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Warning labels on booze: will they curb drinking?

NCT ID NCT06835920

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jul 14, 2026 · Updated 3 times

Summary

This study tests whether putting health warnings on alcohol containers can reduce drinking. 720 adults who drink at least once a week will bring their own alcohol to study visits, where labels warning about cancer, high blood pressure, and liver scarring will be added to some bottles. Researchers will track how much participants drink and their intentions to cut back.

What this could mean

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

Active substance
Front-of-package health warning labels
What this could lead to
If it works, this could point toward a simple, low-cost way to help people drink less by reminding them of health risks.
What could go wrong
This is a small, short-term behavioral study, not a medical treatment. People may ignore the warnings or change their behavior only temporarily.

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

724 people

The number who actually took part.

Started

Apr 2025

Finished

May 2026

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

21 years and older

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: * Adults ages 21 years and older * Not identified as having possible alcohol dependence * Consumed alcohol at least once per week during the past 4 weeks * At least half of alcohol consumed each week is from store-bought containers * Willing to bring 8 days' worth of alcohol to 3 in-person study visits * Not pregnant, breastfeeding, or trying to get pregnant * Able to take surveys in English * Willing to respond to text messages daily for 3 weeks * Not living in the same household as anyone else in the study Exclusion Criteria: \- Not living in US

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Conditions

The condition(s) this trial relates to.

Health Behavior

As listed by the trial registrant

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

Contacts and locations

Locations

  • UNC study office

    Chapel Hill, North Carolina, 27599, United States

  • University of North Carolina

    Chapel Hill, North Carolina, 27599, United States

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