Prometa Protocol for Alcohol Dependence

Status Completed

Clinical Trial Summary

This is a placebo controlled trial (some people receive active and some people receive inactive medication) to evaluate the effectiveness of a new protocol to treat alcohol dependence. Two main medications (plus ancillary non-placebo controlled medications) and their placebos (inactive drugs) will be utilized to treat both alcohol withdrawal, promote abstinence, and reduce drinking over approximately a six-week treatment period. All participants will meet criteria for Alcohol Dependence and be drinking heavily up until 72 hours prior to receiving the first study drug. They will be injected one drug (flumazenil or placebo) over a two day period and receive the second one (gabapentin or placebo) by mouth for 39 days. The main hypothesis is that this protocol will reduce early alcohol withdrawal symptoms and will reduce relapse to drinking and promote abstinence compared to the placebo (inactive) drug group. Secondary outcomes that will be evaluated include reduction in craving, improvement in sleep, brain activity and mood.

Clinical Trial Description

Approximately 60 alcohol dependent individuals who are drinking heavily up until 72 hours, or less, prior to study participation will be randomized to receive either flumazenil (intravenously)on two successive days and gabapentin (orally)for 39 days or their matching placebos. They also will receive hydroxyzine and vitamins. Individuals will be evaluated for alcohol withdrawal, their response to acoustic startle, cognitive ability, craving, mood, sleep and drinking during the first week. They will then be seen weekly for about 6 weeks during which they take gabapentin or placebo and are provided with Combined Behavioral Intervention Therapy (counseling) once a week, or more, as required. Over this period they will be evaluated weekly for alcohol consumption, craving, sleep, mood, and biological markers of alcohol consumption ( percent carbohydrate deficient transferrin and gamma-glutamyl transferase). Blood will be obtained on week 3 and 6 for general health (liver, blood count etc.) screening. After the end of treatment, subjects will be followed-up at 4 weeks and again at 8 weeks after treatment to evaluate alcohol consumption, craving, sleep, mood.

Subjects will undergo a functional magnetic resonance imaging (MRI) procedure sometime during the second or third week of study medication to assess cue induced regional brain activation to investigate the effect of medication on brain response to alcohol visual cues. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT00262639
Study type	Interventional
Source	Medical University of South Carolina
Contact
Status	Completed
Phase	Phase 2/Phase 3
Start date	December 2005
Completion date	March 2008

View Details

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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.