An Efficacy and Safety Study of Topiramate in the Treatment of Alcohol Dependence

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

371 participants

Study Classification

INTERVENTIONAL

Study Start Date

2004-03-31

Study Completion Date

2006-08-31

Brief Summary

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The purpose of this study is to evaluate the safety and effectiveness of topiramate compared to placebo in patients with alcohol dependence.

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Detailed Description

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The impact of alcoholism can be reduced through effective treatments, which may include medical, psychological, and social interventions. The main goals of alcohol-dependence treatment are to assist patients in avoiding alcohol, developing better strategies for managing stress, and improving self-esteem and quality of life. Studies have demonstrated that treatments for alcohol use disorders can be effective, but their effectiveness is often limited. Although the optimal goal of treatment should be total abstinence, even patients who are unable to achieve this goal may still benefit from treatments leading to a reduction in drinking. Medications are commonly used in other addictive disorders, such as nicotine and opioid dependence, suggesting that this intervention could be useful in the treatment of alcohol dependence. This is a randomized, double-blind, flexible dose study to determine if topiramate, a prescription medication approved by the Food \& Drug Administration for the treatment of epilepsy and the prevention of migraine, administered at a dose of 300mg per day or the subject's maximum tolerated dose, is safe and effective compared with placebo in patients with alcohol dependence. The study hypothesis is that topiramate will be more effective than placebo in reducing the percentage of heavy drinking days (5 or more standard drinks per day for men and 4 or more standard drinks per day for women) in patients with alcohol dependence. The patients will receive topiramate tablets (25mg and/or 100mg) or matching placebo. Study medication is taken in increasing doses starting at 25 mg/day up to 300 mg per day (or maximum tolerated dose) during the first 6 weeks and the achieved dose is maintained for an additional 8 weeks.

Conditions

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Alcoholism

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Interventions

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topiramate

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Have a current diagnosis of alcohol dependence
* drink an average of 28 or more standard drinking units/week for women or 35 or more standard drinking units/week for men
* have a desire to stop drinking completely or to reduce alcohol consumption with the possible long-term goal of abstinence
* have a body mass index of 18 or more
* sexually active women capable of having children must be using an acceptable method of birth control
* must be in generally good health.

Exclusion Criteria

* No current or recent (within 6 months) diagnosis of other substance abuse or dependence
* no inpatient or outpatient counseling for alcohol dependence other than Alcoholics Anonymous within 4 weeks
* not more than 4 past failed inpatient treatments attempts for alcohol dependence
* no other psychiatric disorder that requires treatment with medication or therapy
* no current probation or parole requirement or legally mandated requirement to participate in an alcohol treatment program.

Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No