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Prize Contingency Management for Cocaine-Dependent Methadone Patients

NCT01401270 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 280

Last updated 2019-03-13

No results posted yet for this study

Summary

The investigators will randomize 300 cocaine-dependent methadone patients to 1 of 6 conditions: (a) a control group, (b) a contingency management condition that arranges a 100% probability of winning a prize with each draw and has 3 prize categories, (c) a contingency management condition that arranges a 31% probability of winning and has 3 prize categories, (d) a contingency management condition that arranges a 100% probability of winning and has 7 prize categories, (e) a contingency management condition that arranges a 31% probability of winning and has 7 prize categories, or (f) usual prize contingency management with a 50% probability of winning from 3 prize categories. Magnitudes of reinforcement will be identical across conditions, but lower overall probability conditions arrange for greater chances of winning larger magnitude prizes. The investigators expect that the new contingency management conditions will reduce cocaine use relative to the control condition, that 31% probability conditions will decrease drug use relative to 100% conditions, and that 7-prize category conditions will reduce drug use compared to 3-prize category conditions. In addition, the 31%/7-category condition is expected to be most efficacious. Results will be instrumental for further developing prize contingency management to improve outcomes of cocaine-dependent methadone patients.

Conditions

  • Cocaine Abuse

Interventions

BEHAVIORAL

prize contingency management

Participants earn the chance to win prizes for the targeted behavior, cocaine abstinence.

Sponsors & Collaborators

  • National Institute on Drug Abuse (NIDA)

    collaborator NIH

  • UConn Health

    lead OTHER

Principal Investigators

  • Sheila M Alessi, Ph.D. · UConn Health

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2011-11-30
Primary Completion
2018-05-31
Completion
2018-05-31

Countries

  • United States

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT01401270 on ClinicalTrials.gov