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Completed

NCT Number: NCT00000322

Tyrosine for Methamphetamine Dependence - 1

The purpose of this study is to evaluate efficacy of tyrosine as a treatment for methamphetamine dependence in an outpatient treatment setting providing group psychosocial interventions. Examine effect of tyrosine on abstinence, retention in treatment, and craving."

Completed

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Key information

Conditions

Amphetamine-Related Disorders Chemically-Induced Disorders Mental Disorders Substance-Related Disorders

Age range

18 year–65 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 2

Primary location

Haight Ashbury Free Clinics

San Francisco, California, 94117, United States

About this study

Evaluate efficacy of tyrosine as a treatment for methamphetamine dependence in an outpatient treatment setting providing group psychosocial interventions. Examine effect of tyrosine on abstinence, retention in treatment and craving.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

18-65 years of age. Able to provide informed consent. Desire to reduce/eliminate methamphetamine use. Used within the past two weeks. Meet DSM criteria for methamphetamine dependence.

Exclusion criteria

No dependence (within the past 12 months) for other durgs except nicotine. No history or family history of tyrosine intolerance.

Treatment and study plan

Tyrosine

Behavioral

Primary outcomes

  1. Craving

  2. Drug use

  3. Retention

  4. Functioning

Sponsors and collaborators

Lead sponsor

National Institute on Drug Abuse (NIDA)

Nih

Registry information

Official study title

Tyrosine for Methamphetamine Dependence

Important dates

Study start
1997
Study completion
2001
First posted
Sep 21, 1999
Registry last updated
Jan 12, 2017

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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