Clinical Trial

Cannabis Use Disorder Treatment Study

Active, Not Recruiting
View on ClinicalTrials.gov →
Record status
This record was last updated May 4, 2026 (before its estimated May 31, 2026 completion). Its status may not reflect the trial's current state.
Summary
The purpose of this study is to test a text-delivered counseling program to stop or reduce cannabis use among young adults (ages 18 to 25).
Protocol Amendment History 10 amendments
This ClinicalTrials.gov record has been amended 10 times since 2020-09-21; most recent amendment 2026-04-27.
Status change: Completed → Active, Not Recruiting 2026-04-27
Status change: Active, Not Recruiting → Completed 2025-03-24
Status change: Recruiting → Active, Not Recruiting 2022-12-07
Status change: Not Yet Recruiting → Recruiting 2020-11-25
Trial Details
NCT Number NCT04567394
Lead Sponsor The University of Tennessee, Knoxville
Collaborators: Colorado State University
Conditions Cannabis Use Disorder, Mild, Cannabis Use Disorder, Moderate, Cannabis Use Disorder, Severe
Enrollment 1,077 participants
Start Date 2019-08-01
Primary Completion 2026-05-31 (estimated)
Study Completion 2026-05-31 (estimated)
Updated on ClinicalTrials.gov 2026-05-04