Contingency Management Treatment Duration

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

310 participants

Study Classification

INTERVENTIONAL

Study Start Date

2008-02-29

Study Completion Date

2015-05-31

Brief Summary

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310 alcohol abusing or dependent patients beginning intensive outpatient day treatment at community-based clinics will be randomly assigned to one of four conditions: (a) standard treatment as usual (ST) at the clinic without contingency management (CM); (b) standard treatment with contingency management for 12 weeks with a 0.5 probability of winning prizes for each negative sample submitted; (c) standard treatment with contingency management for 24 weeks with a 0.34 probability of winning prizes for each negative sample submitted; or (d) standard treatment with contingency management for 24 weeks with a 0.5 probability of winning prizes for each negative sample submitted. We expect that contingency management will decrease alcohol use to a greater extent than non-contingency management treatment, and that availability of contingency management for 24 weeks may result in longer term benefits than 12 week exposure to contingency management. This study will be the first to evaluate the effects of probability of winning prizes on response to contingency management.

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Detailed Description

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Conditions

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Alcohol Abuse

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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1

Standard Treatment

Group Type NO_INTERVENTION

No interventions assigned to this group

2

Standard Treatment with Contingency Management for 12 weeks with a 0.5 probability of winning prizes for each negative sample submitted

Group Type EXPERIMENTAL

Contingency Management

Intervention Type BEHAVIORAL

Prizes given for targeted behavior of abstinence

3

Standard Treatment with Contingency Management for 24 weeks with a 0.34 probability of winning prizes for each negative sample submitted

Group Type EXPERIMENTAL

Contingency Management

Intervention Type BEHAVIORAL

Prizes given for targeted behavior of abstinence

4

Standard Treatment with Contingency Management for 24 weeks with a 0.5 probability of winning prizes for each negative sample submitted

Group Type EXPERIMENTAL

Contingency Management

Intervention Type BEHAVIORAL

Prizes given for targeted behavior of abstinence

Interventions

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