Developing and Testing an Online Intervention for Alcohol and Cannabis Misuse and Healthy Relationship Skills Among Young Adult Couples

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

NOT_YET_RECRUITING

Clinical Phase

NA

Total Enrollment

60 participants

Study Classification

INTERVENTIONAL

Study Start Date

2026-07-15

Study Completion Date

2027-08-01

Brief Summary

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The goal of this clinical trial is to develop and test a brief online intervention to reduce alcohol and cannabis misuse and improve healthy relationship skills among young adult couples. The main questions it aims to answer are:

* Will the intervention be feasible and acceptable to young adult couples?
* Will the intervention demonstrate initial efficacy in reducing risky substance use and increasing relationship functioning?

Eligible couples will complete a virtual baseline session and be randomized to intervention condition (online intervention with 3-5 weeks of self-paced modules) or control condition (no intervention). Couples will complete two follow-up surveys (post-assessment - approximately 5 weeks after baseline, 3-month). Couples in the control condition will be offered the intervention after 3-month follow-up.

Researchers will compare intervention and control groups to see if there there is a difference between the groups on substance misuse and relationship functioning at post-assessment and 3-month follow-up.

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Detailed Description

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Conditions

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Alcohol Drinking Cannabis Use Couples

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

NONE

Study Groups

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Online, couples-based intervention

A novel, brief online intervention for young adults community couples who engage in alcohol and cannabis co-use.

Group Type EXPERIMENTAL

Online, couples-based intervention

Intervention Type BEHAVIORAL

During Phase 1 of the present study, the intervention will be iteratively developed using a rigorous, user-centered design approach through integration of knowledge gained from Phase 1 dyadic analyses and qualitative interviews, and existing gold-standard treatments for substance use among couples, including Integrative Behavioral Couples Therapy (IBCT; Christensen \& Doss, 2016) and Behavioral Couples Therapy for Alcohol (ABCT; McCrady et al, 1995) and substance use brief interventions for young adults (Halladay, et al., 2019; Tanner-Smith et al., 2015).

Assessment-only control

Couples in the control condition will not receive an intervention.

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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Online, couples-based intervention

During Phase 1 of the present study, the intervention will be iteratively developed using a rigorous, user-centered design approach through integration of knowledge gained from Phase 1 dyadic analyses and qualitative interviews, and existing gold-standard treatments for substance use among couples, including Integrative Behavioral Couples Therapy (IBCT; Christensen \& Doss, 2016) and Behavioral Couples Therapy for Alcohol (ABCT; McCrady et al, 1995) and substance use brief interventions for young adults (Halladay, et al., 2019; Tanner-Smith et al., 2015).

Intervention Type BEHAVIORAL

Eligibility Criteria

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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