Healthy Clinical Trial - Functional Neuroimaging of Alcoholism

Status Completed

Clinical Trial Summary

This project compares Family History Positive (FHP) for alcoholism subjects to matched Family History Negative (FHN) subjects derived from the project Principal Investigator's National Institute on Alcohol Abuse and Alcoholism-funded longitudinal study of drinking behavior in a 2000 college freshman population (known as the Brain and Alcohol Research in College Students study (BARCS)). The age of these subjects is a valuable one at which to capture the transition from harmful use to abuse/dependence. This project explores the effects of memantine in a double-blind, randomized, counterbalanced manner on alcoholism risk-relevant tasks. More specifically, this project studies functional MRI tasks related to different aspects of reward and/or impulsivity-related behavior in different contexts, compares the underlying neural circuitry across tasks, and uses a pharmacologic probe of the glutamatergic system to examine NMDA/DA interactions. The combined measures provide the opportunity to advance our understanding of specific aspects of brain function related to familial alcoholism vulnerability in an already well-characterized population as some members evolve into alcohol abuse. In addition to conventional within-task analyses, functional network connectivity and allied approaches will be used to examine brain networks across tasks. The investigators will study adult male and female subjects in equal numbers who are either offspring of an alcoholic parent or are FHN matched controls. The investigators will recruit and assess a total of 84 (42 FHP and 42 matched FHN) subjects between the ages of 18-21 years on initial BARCS contact. The investigators will use 4 cognitive tasks during the functional MRI (fMRI) which include: 1) a Monetary Incentive Delay Task that distinguishes networks engaged in motivational (anticipation) and consummatory (outcome) components of reward processing; 2) a Go/No-Go Task that measures the ability to inhibit response to a pre-potent stimulus; 3) an Alcohol Cue Reactivity Task that examines Nucleus Accumbens response to alcohol-related versus matched soft drink stimuli; and 4) a Pavlovian-to-Instrumental Transfer (PIT) Task that dissects a component of the Monetary Incentive Delay (MID) Task, and provides an imaging assay of a transfer-like process that can be related to real-world drinking behavior, thus informing upon and extending the key findings from CTNA-2.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT01585168
Study type	Interventional
Source	Yale University
Contact
Status	Completed
Phase	Phase 2
Start date	December 2011
Completion date	May 2016

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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.

Functional Neuroimaging of Alcoholism Vulnerability (PIT) — CTNA

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms