NCT03015805

Brief Summary

The purpose of this study is to examine the effectiveness of Juvenile Probation Officers (JPOs) delivering Contingency Management (CM) to teens on their caseload who have problems with drug use. CM has already been shown to be effective at helping teens with drug problems but CM has never been delivered by JPOs. This study will test how well it works to have JPOs deliver CM during their regular meetings with teens.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
310

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started Oct 2017

Longer than P75 for not_applicable

Geographic Reach
1 country

14 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

January 6, 2017

Completed
4 days until next milestone

First Posted

Study publicly available on registry

January 10, 2017

Completed
9 months until next milestone

Study Start

First participant enrolled

October 1, 2017

Completed
5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 14, 2022

Completed
9 months until next milestone

Study Completion

Last participant's last visit for all outcomes

June 5, 2023

Completed
Last Updated

October 21, 2025

Status Verified

May 1, 2024

Enrollment Period

5 years

First QC Date

January 6, 2017

Last Update Submit

October 17, 2025

Conditions

Outcome Measures

Primary Outcomes (2)

  • Changes from Baseline scores compared to 9 months post-Baseline Urine Drug Screens (measured at 0, 3, 6 and 9 months).

    The number of positive drug screens from toxicology testing for tetrahydrocannabinol (THC), synthetic THC, amphetamines, methamphetamines, opiates, phencyclidine (PCP), cocaine, benzodiazepines and alcohol metabolites (Ethyl glucuronide, Ethyl sulfate ).

    Baseline to 9 months

  • Changes from Baseline scores compared to 9 months post-Baseline Substance Use and Problems (measured at 0, 3, 6 and 9 months).

    Frequency of substance use and substance-related problems self-reported on the Global Appraisal of Individual Needs.

    Baseline to 9 months

Secondary Outcomes (9)

  • Changes in number and severity of criminal charges in official records in the 18 months pre-Baseline compared with 18 months post-Baseline.

    18 months pre-Baseline to 18 months post-Baseline.

  • Changes from Baseline scores compared to 9 months post-Baseline Delinquent Behaviors (measured at 0, 3, 6 and 9 months).

    Baseline to 9 months.

  • Changes from Baseline scores compared to 9 months post-Baseline Sexual Risk Behaviors (measured at 0, 3, 6 and 9 months).

    Baseline to 9 months.

  • Changes from Baseline scores compared to 9 months post-BaselineTreatment Usage (measured at 0, 3, 6 and 9 months).

    Baseline to 9 months.

  • Changes from Baseline scores compared to 9 months post-Baseline Internalizing and Externalizing Behaviors (measured at 0, 3, 6 and 9 months).

    Baseline to 9 months.

  • +4 more secondary outcomes

Study Arms (2)

Contingency Management

EXPERIMENTAL

This group will receive regular probation services but will also receive the Contingency Management program for substance abuse from their juvenile probation officer during regular meetings.

Behavioral: Contingency Management

Probation as Usual

ACTIVE COMPARATOR

This group will receive regular services that are usually provided by juvenile probation officers.

Behavioral: Probation as Usual

Interventions

Contingency Management (CM) utilizes behavior modification \& cognitive behavioral strategies to target adolescent alcohol or other drug (AOD) use. Protocol components are as follows: (a) The provider introduces CM to the family and engages them in the intervention; (b) The provider conducts Antecedent-Behavior-Consequence (ABC) assessments of the youth's AOD use with the youth and caregiver; (c) Based on the results of the ABC assessments, self-management planning and drug refusal skills training are implemented by the provider in collaboration with the caregiver; (d) Concurrently, a point and level system contract is filled in by the family, which provides rewards/privileges for negative drug and alcohol tests and disincentives (e.g., extra chores) for positive tests. Until continued abstinence is achieved, components "b" through "d" are repeated; (e) The provider collaborates with the family to develop plans for sustaining long-term abstinence. Typical duration of CM is 12-16 weeks.

Contingency Management

Standard services that a young person would receive while under probation supervision in the state.

Probation as Usual

Eligibility Criteria

Age12 Years - 18 Years
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64)

You may qualify if:

  • Employed as a juvenile probation officer within one of the participating counties
  • Serving clients aged 12-18 years old with a substance abuse problem

You may not qualify if:

  • Not employed as a juvenile probation officer within one of the participating counties
  • Not serving clients aged 12-18 years old with a substance abuse problem
  • Juvenile probation officers solely assigned to a specialized caseload (e.g., sexual offense or gang unit) were excluded if they were the only one in their county with that assignment because randomization would be precluded
  • Newly opened probation case (can have previous cases)
  • years old
  • Diagnostic and Statistical Manual-5 (DSM-5) substance use disorder
  • Pervasive intellectual or developmental disorder
  • Active psychotic disorder
  • Youth actively involved in a Drug Court Program at time of study recruitment
  • Ages Eligible for Study
  • Youth: 12 Years to 18 Years
  • JPOs: Any age

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (14)

Cassia County Juvenile Probation

Burley, Idaho, 83318, United States

Location

Canyon County Juvenile Probation

Caldwell, Idaho, 83605, United States

Location

Gooding County Juvenile Probation

Gooding, Idaho, 83330, United States

Location

Blaine County Juvenile Probation

Hailey, Idaho, 83333, United States

Location

Jerome County Juvenile Probation

Jerome, Idaho, 83338, United States

Location

Minidoka Juvenile Probation

Rupert, Idaho, 83350, United States

Location

Lincoln County Juvenile Probation

Shoshone, Idaho, 83352, United States

Location

Twin Falls County Juvenile Probation

Twin Falls, Idaho, 83301, United States

Location

Carson City Juvenile Probation

Carson City, Nevada, 89701, United States

Location

Washoe County Juvenile Probation

Reno, Nevada, 89512, United States

Location

Deschutes County Juvenile Probation

Bend, Oregon, 97701, United States

Location

Umatilla County Juvenile Probation

Pendleton, Oregon, 97801, United States

Location

Marion County Juvenile Probation

Salem, Oregon, 97301, United States

Location

Wasco County Juvenile Probation

The Dalles, Oregon, 97058, United States

Location

MeSH Terms

Conditions

Substance-Related Disorders

Condition Hierarchy (Ancestors)

Chemically-Induced DisordersMental Disorders

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Senior Research Scientist

Study Record Dates

First Submitted

January 6, 2017

First Posted

January 10, 2017

Study Start

October 1, 2017

Primary Completion

September 14, 2022

Study Completion

June 5, 2023

Last Updated

October 21, 2025

Record last verified: 2024-05

Data Sharing

IPD Sharing
Will not share

Locations