Status:

COMPLETED

Effectiveness of N-Acetylcysteine (NAC) in Treating Cocaine Dependent Individuals - 1

Lead Sponsor:

Medical University of South Carolina

Collaborating Sponsors:

National Institute on Drug Abuse (NIDA)

Conditions:

Cocaine Dependence

Eligibility:

All Genders

18-65 years

Phase:

PHASE2

Brief Summary

Currently, no effective drug treatment exists for cocaine dependence. Glutamate levels are disrupted with long-term cocaine use. N-acetyl cysteine (NAC) is a drug that is metabolized by the body to fo...

Detailed Description

Currently, no effective pharmacological treatment exists for cocaine dependence. Long-term use of cocaine disrupts normal glutamate levels. If addicts stop using cocaine, glutamate levels drop, which ...

Eligibility Criteria

Inclusion

  • Meets DSM-IV criteria for cocaine dependence, as determined by a mini-SCID interview
  • Currently dependent on cocaine
  • Seeking treatment for cocaine abuse at the time of study entry
  • Currently uses cocaine by smoking, nasal, or intravenous route of administration.
  • Stable physical and mental health, as judged by an interview and physical examination
  • If female, demonstrates a negative pregnancy test and agrees to use an adequate method of contraception for the duration of the study
  • Lives within a 50 mile radius of the research program center and has reliable transportation

Exclusion

  • Meets DSM-IV criteria for dependence on any psychoactive substance other than cocaine, alcohol, nicotine, or marijuana
  • Physiological dependence on alcohol, which requires medical detoxification
  • History of significant liver, kidney, endocrine, cardiac (e.g., arrhythmia requiring medication, angina pectoris, myocardial infarction), stroke, seizure, neurological, non-drug-related psychiatric, gastrointestinal, pulmonary, hematologic, or metabolic disorders (e.g., homocystinuria)
  • History of an adverse reaction to cocaine, including loss of consciousness, chest pain, psychosis, or seizure
  • History of adverse reaction or hypersensitivity to N-acetyl cystine (NAC), or a similar drug
  • Significant active medical or psychiatric illness that might inhibit the ability to complete the study
  • Active high blood pressure, defined as a mean of three sitting blood pressure readings of 145/95 or higher within a 10-day period
  • History of or current asthma
  • Occasional or daily use of albuterol or other beta-agonist inhalers
  • Use of carbamazepine, phenytoin, nitrous oxide, methotrexate, 6 azauridine triacetate, or nitroglycerin within the 2 weeks prior to study entry
  • Use of very large doses of folate, cyanocobalamine (vitamin B12), or pyridoxine (vitamin B6) as prescribed by a health care professional; individuals taking very large doses of these vitamins on a self-initiated basis may enter the study if they are willing to stop use 14 days prior to study entry and to use a standard generic multiple vitamin instead
  • Pregnant or breastfeeding
  • Required by the court to obtain treatment for cocaine dependence
  • Not seeking treatment for cocaine dependence
  • Anticipating elective surgery or hospitalization within 20 weeks of study entry
  • Failure to have a consistent residence for the 4 weeks prior to study entry
  • History of childhood or adult seizures
  • Participated in cocaine treatment (clinical or research) within 30 days of study entry

Key Trial Info

Start Date :

November 1 2005

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

May 1 2010

Estimated Enrollment :

111 Patients enrolled

Trial Details

Trial ID

NCT00218491

Start Date

November 1 2005

End Date

May 1 2010

Last Update

January 15 2019

Active Locations (1)

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Medical University of South Carolina

Charleston, South Carolina, United States, 29425