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Treatment Study: Reducing Cocaine/Heroin Abuse With SR-Amphetamine and Buprenorphine (ARC)

Information source: Wayne State University
ClinicalTrials.gov processed this data on August 20, 2015
Link to the current ClinicalTrials.gov record.

Condition(s) targeted: Heroin Dependence; Opioid-Related Disorders; Cocaine Abuse or Dependence

Phase: N/A

Status: Completed

Sponsored by: Wayne State University

Official(s) and/or principal investigator(s):
Mark Greenwald, PhD, Principal Investigator, Affiliation: Wayne State University

Summary

This research study takes place at Wayne State University and will take about 11 weeks to complete. This is a treatment research study for individuals who currently have cocaine abuse or dependence, and who may also have heroin dependence. The purpose of this study is to test whether oral sustained release d-amphetamine (SR-AMP) is safe and more effective than placebo for preventing relapse to cocaine use for individuals who abuse or are dependent upon cocaine. We are also interested whether, for patients who are dependent on cocaine and heroin, whether SR-AMP is safe and effective for preventing cocaine relapse in combination with buprenorphine.

Clinical Details

Official title: Reducing Cocaine/Heroin Abuse With SR-Amphetamine and Buprenorphine (ARC)

Study design: Observational Model: Case-Only, Time Perspective: Prospective

Detailed description: Cocaine dependence, particularly in combination with heroin dependence, poses serious and substantial public health, social, and economic problems (e. g., high medical costs, crime, lost productivity). Cocaine and heroin use disorders often co-occur, and this conjunction is associated with higher rates of medical and psychiatric problems and worse drug abuse treatment outcome. Many medications have been tested, but have failed, for treating cocaine dependence alone or in cocaine abusers who also use heroin. This clinical trial will test whether SR-AMP is more effective than placebo for preventing relapse to cocaine use, using SR-AMP for patients with only cocaine dependence, or in combination with buprenorphine (for those patients who are also dependent on heroin). Participants will first be an outpatient and must come to the Jefferson Avenue Research Program three times per week (e. g. Monday, Wednesday, Friday) to measure drug use and drug-related symptoms. This phase will last at least 2 weeks. Next, participants will live on an inpatient research unit for seven (7) consecutive nights. During the weeklong inpatient stay, in addition to receiving SR-AMP or placebo capsules, participants will begin counseling treatment to help prepare to avoid relapse after they are discharged from the inpatient unit. After the inpatient stay, participants will then be an outpatient and come to the Jefferson Ave. Research Program daily for eight (8) weeks. Throughout all eight weeks, three urine samples will be collected each week to assess illicit drug use, and questionnaires related to drug symptoms and to assess mood and risk behaviors will be given.

Eligibility

Minimum age: 18 Years. Maximum age: 55 Years. Gender(s): Both.

Criteria:

Inclusion Criteria:

- Male or non-pregnant and non-lactating females between 18-55 years of age who are

seeking treatment for their drug use.

- Females of childbearing potential are eligible to participate if using an acceptable

method of birth control.

- All participants must be free from any significant clinical abnormalities based on

medical history, physical examination, ECG, and screening laboratory tests.

- Participants must weigh at least 50kg (110lbs).

- Participants must meet DSM-IV criteria for current Cocaine Abuse or Dependence, and

possibly Opioid Dependence, and provide a cocaine positive (and, if opioid dependent, opioid positive) urine sample.

- Participants will not be excluded if they meet DSM-IV criteria for current Alcohol or

Sedative Abuse (but they will be excluded for current Alcohol or Sedative Dependence).

- Participants must not be under the influence of alcohol (BAL <.002) and sign informed

consent during screening. Exclusion Criteria:

- Volunteers will not be eligible for this study if they present with psychiatric

illness, neurological disease, cardiovascular disease, pulmonary disease, systemic disease, other current substance dependence (except cocaine, heroin or nicotine).

- If they are cognitively impaired, currently being treated for Cocaine or Opioid

Dependence, using prohibited medications, or females who are pregnant, lactating, or if heterosexually active not using medically approved birth control measures.

Locations and Contacts

Wayne State University, Detroit, Michigan 48202, United States
Additional Information

Starting date: April 2008
Last updated: November 20, 2012

Page last updated: August 20, 2015

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