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Can a Parent-Talk program curb college drinking and cannabis use?

NCT ID NCT05345951

Prevention Sponsor: Penn State 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 16, 2026 · Last updated Jul 24, 2026 · Updated 3 times

Summary

This trial tests a program called e-PBI+ that gives parents science-based tips on talking to their college-age teens about alcohol and cannabis. The goal is to see if these conversations help reduce risky drinking and cannabis use among students. About 1,980 parent-teen pairs take part, with teens reporting their alcohol and cannabis use over time.

What this could mean

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

Active substance
a parent-based behavioral intervention called e-PBI+ that provides parents with science-backed guidance on talking to their teens about alcohol and cannabis
What this could lead to
If effective, this program could give parents a practical tool to help prevent risky drinking and cannabis use in college students, reducing related harms like injuries and academic problems.
What could go wrong
This is a large trial, but the intervention relies on parents following through, and its impact may vary across families. Results may not apply to all college settings.

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

1,980 people

The number who actually took part.

Started

Jul 2023

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

18 to 19 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: * Parent and teen both consent and complete baseline (forming a dyad testing unit) Exclusion Criteria: * Outside of the teen age range; both parent and teen do not consent and complete baseline

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Conditions

The condition(s) this trial relates to.

Alcohol Drinking in College Underage Drinking

As listed by the trial registrant

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

Cannabis use College drinking Drinking, college Drinking, teen Teen drinking Underage drinking

Contacts and locations

Locations

  • Penn State University

    University Park, Pennsylvania, 16802, United States

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