Decreasing the Temporal Window in Individuals With Alcohol Use Disorder

Status Enrolling by invitation

Clinical Trial Summary

In the absence of sufficient monetary resources, individuals must attend to immediate, minimum needs (e.g., food, shelter). This constricts one's temporal window and engenders neglect of the future. In observational studies, scarcity is associated with higher rates of delay discounting. Additionally, socioeconomic status is inversely associated with alcohol use disorder and related problems. Experimentally, scarcity shortens attention, impedes cognitive function, and increases delay discounting in multiple populations. Moreover, scarcity increases demand for fast foods in the obese and increases craving for alcohol in problem drinkers. These data suggest that economic scarcity worsens both components of reinforcer pathology (delay discounting and alcohol overvaluation), thus increasing vulnerability to alcohol use disorder. However, studies investigating the effects of scarcity on alcohol demand discounting rate have been limited. The purpose of Aim 1b is to examine effects of decreasing the temporal window and its concomitant effects on alcohol valuation (demand, and craving) and delay discounting.

Clinical Trial Description

Participants will be randomly assigned to experimental or control groups, balanced by discounting rates and sex. We plan to have 112 participants complete the study, based on our power analysis. Participants will complete two online sessions. During the first session, they will complete the baseline assessments. During the second session, they will complete the same assessments after being exposed to the scarcity or control narratives (both in audio format). The assessment will include delay discounting and demand tasks, and measures of alcohol craving. Participants will also complete assessments of their stress and mood response to the narrative intervention, using the Stress Appraisal Measure (SAM) and PANAS for two purposes. That is, 1) to monitor participant safety, 2) to measure the mediating ability of affect on changes in the temporal window. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT04128761
Study type	Interventional
Source	Virginia Polytechnic Institute and State University
Contact
Status	Enrolling by invitation
Phase	N/A
Start date	September 21, 2023
Completion date	June 30, 2024

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Decreasing the Temporal Window in Individuals With Alcohol Use Disorder — RP1B

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms