Combined Behavioral and Pharmacologic Treatment of Polydrug Abuse

This study has been completed.
Information provided by:
National Institute on Drug Abuse (NIDA) Identifier:
First received: February 14, 2006
Last updated: April 30, 2013
Last verified: December 2007
The primary goal of this study is to determine how contingency management can best be combined with standard or high doses of methadone to increase simultaneous abstinence from heroin and cocaine.

Condition Intervention Phase
Opioid Dependence
Cocaine Abuse
Drug: Methadone
Behavioral: Contingency Management
Phase 1

Study Type: Interventional
Study Design: Allocation: Randomized
Endpoint Classification: Efficacy Study
Intervention Model: Parallel Assignment
Masking: Double Blind (Subject, Caregiver, Investigator)
Primary Purpose: Treatment

Further study details as provided by National Institute on Drug Abuse (NIDA):

Enrollment: 200
Study Start Date: June 1999
Study Completion Date: August 2006
Primary Completion Date: June 2006 (Final data collection date for primary outcome measure)
Detailed Description:
A study of people pmaintained on Methadone using contingency management

Ages Eligible for Study:   18 Years to 65 Years
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Opioid dependence; cocaine use

Exclusion Criteria:

  • Medical or psychiatric conditions that would contraindicate participation in a methadone maintenance study; inability to give informed consent; inability to attend clinic seven days a week
  Contacts and Locations
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Please refer to this study by its identifier: NCT00292123

Sponsors and Collaborators
National Institute on Drug Abuse (NIDA)
Principal Investigator: Kenzie Preston, PhD NIFA Intramural Research Program
  More Information


Responsible Party: Kenzie L. Preston, Ph.D., Principal Investigator, National Institute on Drug Abuse Identifier: NCT00292123     History of Changes
Other Study ID Numbers: NIDAIRP 326
Study First Received: February 14, 2006
Last Updated: April 30, 2013
Health Authority: United States: Food and Drug Administration processed this record on November 27, 2015