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Completed Not applicable Interventional

Cannabis Use and Relapse After One Week of Contingency Management Therapy

ClinicalTrials.gov ID: NCT04202146

Public ClinicalTrials.gov record NCT04202146. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 1, 2026, 7:52 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The purpose of this study is to examine the effects of a seven-day combined contingency management (CM) with two sessions of brief Motivation Interviewing (MI) followed by standardized individual drug counseling on cannabis use and relapse in the following 90-day period in individuals with moderate to severe Cannabis Use Disorder (DSM-5).

Study identification

NCT ID
NCT04202146
Recruitment status
Completed
Study type
Interventional
Phase
Not applicable
Lead sponsor
Yale University
Other
Enrollment
49 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years to 50 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jul 14, 2018
Primary completion
Mar 14, 2019
Completion
Sep 14, 2019
Last update posted
Nov 10, 2021

2018 – 2019

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
The Yale Stress Center: Yale University New Haven Connecticut 06519

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04202146, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Nov 10, 2021 · Synced Sep 1, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04202146 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →