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Can an online course help young couples drink less and love better?

NCT ID NCT06422299

Symptom relief Sponsor: University of Washington 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 This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 09, 2026 · Updated 2 times

Summary

This study is developing and testing a brief online program for young adult couples (ages 18-29) who use both alcohol and cannabis. The program aims to reduce risky substance use and improve relationship skills. Sixty couples in Washington State will be randomly assigned to either the online program or a no-intervention control group, and researchers will compare changes in drinking, cannabis use, and relationship satisfaction over three months.

What this could mean

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

Active substance
Online couples-based behavioral intervention
What this could lead to
If it works, this could provide a convenient, low-cost way for young couples to reduce risky substance use and strengthen their relationship.
What could go wrong
This is a small, early-stage trial (60 couples) testing feasibility and initial effects, so results may not be generalizable. The intervention is self-paced online, so engagement may vary.

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

About 60 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Oct 2026

An estimate. Start dates often move.

Expected to finish

Oct 2027

An estimate. End dates often move.

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: * Both partners in the couple are 18-29 years old * In a committed romantic relationship (e.g., dating seriously, cohabiting, married) with each other for at least 3 months * Face-to-face contact their partner at least 5 days per week * Live in Washington State * Have a valid email address and access to a cell phone * Report alcohol and cannabis co-use at least three times in the past month * Willingness to: complete online surveys during the allotted time frames, receive text messages and emails from the project, complete a baseline session, and participate during the same time period as their partner Exclusion Criteria: * Couples who endorse any perpetration or receipt of severe interpersonal aggression during screening will be excluded and provided with resources

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Conditions

The condition(s) this trial relates to.

Alcohol Drinking

As listed by the trial registrant

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

Alcohol drinking Cannabis use Couples

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  2. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

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