Contingency Management for the Treatment of Co-Occurring Alcohol and Drug Misuse

NCT ID: NCT02222389

Last Updated: 2018-09-18

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

120 participants

Study Classification

INTERVENTIONAL

Study Start Date

2015-06-01

Study Completion Date

2018-09-10

Brief Summary

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Contingency management (CM) is a type of treatment used in the substance abuse field. Patients' behaviors are rewarded for adherence to a treatment plan. As an approach to treatment, contingency management emerged from the behavior therapy traditions in mental health. By most evaluations, contingency management procedures produce one of the largest effect sizes out of all mental health and educational interventions.

The purpose of this study is to perform a randomized, controlled trial to evaluate the ability of a culturally-tailored contingency management (CM) intervention to increase alcohol and drug abstinence among American Indian (AI) tribal members from two rural reservations in the Northwest.

Detailed Description

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Conditions

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Co-Occurring Alcohol and Drug Misuse

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

FACTORIAL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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CM for alcohol

CM for alcohol

Group Type EXPERIMENTAL

CM for Alcohol

Intervention Type BEHAVIORAL

Escalating reinforcement for alcohol abstinence.

Alcohol-negative CM Participants draw chips out of a bowl containing 500 chips. Fifty percent of the chips will say "good job!" or a similar encouraging phrase, 41.8% of the chips will result in a small prize, 8% will result in a large prize, and 0.2% will result in a jumbo prize.

CM for drugs

CM for drugs

Group Type EXPERIMENTAL

CM for drugs

Intervention Type BEHAVIORAL

Escalating reinforcement for drug abstinence.

Drug-negative participants will be invited to draw chips out of a bowl containing 500 chips. Fifty percent of the chips will say "good job!" or a similar encouraging phrase, 41.8% of the chips will result in a small prize, 8% will result in a large prize, and 0.2% will result in a jumbo prize.

CM for both substances

CM for both substances

Group Type EXPERIMENTAL

CM for both substances

Intervention Type BEHAVIORAL

Escalating reinforcement for drug and alcohol abstinence.

Drug- and alcohol-negative participants will be invited to draw chips out of a bowl containing 500 chips. Fifty percent of the chips will say "good job!" or a similar encouraging phrase, 41.8% of the chips will result in a small prize, 8% will result in a large prize, and 0.2% will result in a jumbo prize.

Non-Contingent group

No CM for either substance, the Non-Contingent (NC) group

Group Type OTHER

Non-Contingent group

Intervention Type BEHAVIORAL

Compensation for Non-Contingent control group participants is dependent only on providing urine samples, regardless of whether the urine tests are negative for alcohol and/or drugs.

Interventions

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CM for Alcohol

Escalating reinforcement for alcohol abstinence.

Alcohol-negative CM Participants draw chips out of a bowl containing 500 chips. Fifty percent of the chips will say "good job!" or a similar encouraging phrase, 41.8% of the chips will result in a small prize, 8% will result in a large prize, and 0.2% will result in a jumbo prize.

Intervention Type BEHAVIORAL

CM for drugs

Escalating reinforcement for drug abstinence.

Drug-negative participants will be invited to draw chips out of a bowl containing 500 chips. Fifty percent of the chips will say "good job!" or a similar encouraging phrase, 41.8% of the chips will result in a small prize, 8% will result in a large prize, and 0.2% will result in a jumbo prize.

Intervention Type BEHAVIORAL

CM for both substances

Escalating reinforcement for drug and alcohol abstinence.

Drug- and alcohol-negative participants will be invited to draw chips out of a bowl containing 500 chips. Fifty percent of the chips will say "good job!" or a similar encouraging phrase, 41.8% of the chips will result in a small prize, 8% will result in a large prize, and 0.2% will result in a jumbo prize.

Intervention Type BEHAVIORAL

Non-Contingent group

Compensation for Non-Contingent control group participants is dependent only on providing urine samples, regardless of whether the urine tests are negative for alcohol and/or drugs.

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

1. Self-identify race as American Indian (AI)
2. Are seeking alcohol dependence and drug abuse treatment at a participating reservation
3. Are age 18 or older
4. Meet criteria of DSM-IV diagnosis of current alcohol dependence
5. Current drug misuse
6. Are not pregnant or planning to become pregnant for the duration of the study
7. Are English speaking
8. Have the ability to provide written informed consent

Exclusion Criteria

1. Have significant risk of dangerous alcohol withdrawal, defined as a history of alcohol detoxification or seizure during the last 12 months AND expression of concern by the patient and/or healthcare provider
2. Meet criteria for DSM-IV diagnosis of drug dependence
3. Have significant risk of dangerous drug withdrawal and/or self-reported or medically documented severe withdrawal from drugs in the last 6 months
4. Have any medical or psychiatric condition, such as organic brain disorder, dementia, or psychotic disorder, that the Principal Investigator determines would compromise safe study participation
5. Are receiving drugs under the direction of a physician for pain management or another medical condition for which drug abstinence is contraindicated
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Washington State University

OTHER

Sponsor Role lead

Responsible Party

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Michael McDonell

Associate Director & Associate Professor

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Mike McDonell, PhD

Role: PRINCIPAL_INVESTIGATOR

Washington State University

Locations

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Washington State University

Spokane, Washington, United States

Site Status

Countries

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United States

References

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McDonell MG, Skalisky J, Burduli E, Foote A Sr, Granbois A, Smoker K, Hirchak K, Herron J, Ries RK, Echo-Hawk A, Barbosa-Leiker C, Buchwald D, Roll J, McPherson SM. The rewarding recovery study: a randomized controlled trial of incentives for alcohol and drug abstinence with a rural American Indian community. Addiction. 2021 Jun;116(6):1569-1579. doi: 10.1111/add.15349. Epub 2021 Jan 14.

Reference Type DERIVED
PMID: 33220122 (View on PubMed)

Other Identifiers

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13210-001

Identifier Type: -

Identifier Source: org_study_id

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