TRAC-ER Intervention to Reduce Risky Alcohol Use and HIV Risk

Conditions

• Alcohol Use Disorder
• HIV Infections
• Risk Behavior

Eligibility Criteria

Sex

ALL

Age

18 Years - 35 Years

Healthy Volunteers

Accepted

Interventions

• Smartphone Based Alcohol Monitoring (SAM) — BEHAVIORAL
  Smartphone-based alcohol monitoring (SAM) using mobile breathalyzers and surveys.
• Tracking and Reducing Alcohol Consumption (TRAC) — BEHAVIORAL
  The TRAC intervention focuses on increasing motivation and building skills for avoiding triggers and managing situations that encourage drinking. It requires four 30-minute sessions with a counselor using videoconferencing and mobile phones. In addition to receiving the four sessions of intervention content, participants will complete smartphone-based self-monitoring of alcohol consumption, which will be discussed during intervention sessions.
• TRAC-ER — BEHAVIORAL
  Ecological momentary interventions (EMI) use phones to deliver messages to reduce alcohol use and related risk behaviors during or prior to drinking events. GPS tracking can determine when individuals visit places they have previously reported drinking or triggers to drink and then EMI messages can be delivered upon arrival to prevent risky alcohol use.

Study Details

Ecological momentary interventions (EMI), which use phones to deliver messages to reduce alcohol use and related risk behaviors during or prior to drinking events, can help to address triggers in real-time. GPS tracking can determine when individuals visit places they have previously reported drinking or triggers to drink and then EMI messages can be delivered upon arrival to prevent risky alcohol use. A mobile app has been developed that uses GPS tracking to determine when individuals visit "risky" places and then delivers a survey asking what behaviors they engaged in while at the location. The goal of the proposed study is to use this app to enhance the Tracking and Reducing Alcohol Consumption (TRAC) intervention by delivering messages that encourage participants to employ strategies discussed during TRAC sessions when arriving at risky places. When they leave these places, they will complete a survey and breathalyzer reading in order to collect event-level self-report and biological data on alcohol use and HIV risk. If their breathalyzer result indicates alcohol use, they will receive harm reduction messaging. It is expected that combining TRAC with EMI ("TRAC-ER") will increase effectiveness by reinforcing topics discussed during these sessions, providing in-the-moment messaging to address triggers, and collecting real-time alcohol use data.

Key Dates

Start date

Dec 9, 2024

Status verified

Mar 2025

Primary completion

May 31, 2027

Completion

May 31, 2027

Study Design

Enrollment

405 participants (estimated)

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

TREATMENT

Arms

• Experimental: SAM-Only Comparison Group
  Participants in this group will engage only in smartphone-based alcohol monitoring.
• Experimental: TRAC plus SAM
  Participants in this group will receive the Tracking and Reducing Alcohol Consumption (TRAC) intervention and smartphone-based alcohol monitoring.
• Experimental: TRAC-ER plus SAM
  Participants in this group will receive the Tracking and Reducing Alcohol Consumption (TRAC) intervention combined with GPS-based ecological momentary interventions (EMI) and smartphone-based alcohol monitoring.

Primary Outcome Measure

Number of drinking days [ Time Frame: Measured daily for 30 day periods during months 1, 2, 3, 6, and 9 ]

Central Contacts

• Carolyn Lauckner, PhD
  859-562-3335
  [email protected]

Locations (2)

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