Mobile Intervention for Simultaneous Alcohol and Marijuana Use in Young Adults

Description

The goal of this treatment development project is to develop an adaptive ecological momentary intervention (a-EMI) for young adults using marijuana and alcohol that is grounded in self-regulation and social cognitive theories. To determine the most efficacious intervention strategies, the investigators will test variations of intervention components to identify the best combination. The study will take place at the Center for Integrated Health Care Research at Kaiser Permanente Hawaii (KPHI), located in Honolulu (island of Oahu). Following pilot testing with 6 participants, the study team will assess the feasibility and efficacy of intervention components on two primary outcomes (negative consequences and protective behavioral strategies \[PBS\]) using a fractional factorial experimental design, with post-intervention assessment and one- and three-month follow-ups. 136 diverse young adults recruited from KPHI who report current simultaneous alcohol and marijuana (SAM) use will be randomly assigned to one of eight groups, representing experimental conditions that include or do not include intervention strategies focused on craving reduction and PBS. As a result of this process, individual and/or combined components that lead to improved outcomes will be retained in a subsequent randomized controlled trial, while ineffective components will be eliminated.

Conditions

Alcohol Drinking, Cannabis Use

Study Overview

Study Details

Study overview

The goal of this treatment development project is to develop an adaptive ecological momentary intervention (a-EMI) for young adults using marijuana and alcohol that is grounded in self-regulation and social cognitive theories. To determine the most efficacious intervention strategies, the investigators will test variations of intervention components to identify the best combination. The study will take place at the Center for Integrated Health Care Research at Kaiser Permanente Hawaii (KPHI), located in Honolulu (island of Oahu). Following pilot testing with 6 participants, the study team will assess the feasibility and efficacy of intervention components on two primary outcomes (negative consequences and protective behavioral strategies \[PBS\]) using a fractional factorial experimental design, with post-intervention assessment and one- and three-month follow-ups. 136 diverse young adults recruited from KPHI who report current simultaneous alcohol and marijuana (SAM) use will be randomly assigned to one of eight groups, representing experimental conditions that include or do not include intervention strategies focused on craving reduction and PBS. As a result of this process, individual and/or combined components that lead to improved outcomes will be retained in a subsequent randomized controlled trial, while ineffective components will be eliminated.

Mobile Adaptive Intervention to Reduce Negative Consequences Associated With Simultaneous Alcohol and Marijuana Use in Young Adults in Primary Care

Mobile Intervention for Simultaneous Alcohol and Marijuana Use in Young Adults

Condition
Alcohol Drinking
Intervention / Treatment

-

Contacts and Locations

Honolulu

Kaiser Permanente Hawaii, Center for Integrated Health Care Research, Honolulu, Hawaii, United States, 96815

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

For general information about clinical research, read Learn About Studies.

Eligibility Criteria

  • * resident of state of Hawai'i and island of O'ahu
  • * age 18-30 years
  • * has sought services at Kaiser Permanente Hawaii within the past year
  • * report marijuana use, heavy drinking, and simultaneous alcohol and marijuana use
  • * report confidence in ability to use protective behavioral strategies
  • * endorse at least 3 recent negative consequences from marijuana and/or alcohol
  • * own a smartphone

Ages Eligible for Study

18 Years to 30 Years

Sexes Eligible for Study

ALL

Accepts Healthy Volunteers

No

Collaborators and Investigators

Kaiser Permanente,

Kristina Phillips, PhD, PRINCIPAL_INVESTIGATOR, Kaiser Permanente Hawaii

Study Record Dates

2025-01-01