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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT04964739
Other study ID # 00110801
Secondary ID R01DA054617
Status Recruiting
Phase N/A
First received
Last updated
Start date November 15, 2021
Est. completion date March 31, 2025

Study information

Verified date November 2023
Source Medical University of South Carolina
Contact Kevin Branson
Phone 843-792-0493
Email bransonk@musc.edu
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Adults (ages 18+) who would like to reduce their cannabis use (N=224) will be enrolled in an 8-week treatment program. All participants will receive counseling (1 goals session with a therapist followed by 7 weekly computerized cognitive-behavioral therapy sessions). Detailed cannabis assessments (biological and self-report) will be conducted throughout treatment and at 1-, 2-, and 3-months post-treatment completion. Daily electronic diaries will be administered via text message to record detailed logs of cannabis use quantity and frequency. Salivary samples will be collected (and video observed) daily throughout treatment to analyze for progesterone.


Recruitment information / eligibility

Status Recruiting
Enrollment 224
Est. completion date March 31, 2025
Est. primary completion date March 31, 2025
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: 1. Willingness to participate in a research study (otherwise, will be referred to appropriate clinical services if seeking clinical care). 2. Meet current (within last 30 days) DSM-5 criteria for cannabis use disorder. 3. Submit a positive urine cannabinoid test during screening. 4. Interested in treatment for cannabis use disorder. Exclusion Criteria: 1. Significant or acutely unstable medical or psychiatric problems (i.e., psychosis, mania) that would contraindicate research procedures, interfere with safety, compromise data integrity, or preclude consistent study participation. 2. The presence of any substance use disorder requiring a higher level of care. 3. Significant risk of homicide or suicide. 4. Pregnant, trying to become pregnant, or breastfeeding.

Study Design


Intervention

Behavioral:
Cognitive Behavioral Therapy (CBT4CBT)
Participants will receive one therapist-led motivational interviewing/goal setting session followed by 7 sessions of computerized CBT4CBT.

Locations

Country Name City State
United States Medical University of South Carolina Charleston South Carolina

Sponsors (2)

Lead Sponsor Collaborator
Medical University of South Carolina National Institute on Drug Abuse (NIDA)

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Proportion of participants in remission Remission is classified as the absence of DSM-5 cannabis use disorder symptoms (except cravings) as measured by semi-structured diagnostic interview. Week 4
Primary Proportion of participants in remission Remission is classified as the absence of DSM-5 cannabis use disorder symptoms (except cravings) as measured by semi-structured diagnostic interview. Week 8
Primary Proportion of participants in remission Remission is classified as the absence of DSM-5 cannabis use disorder symptoms (except cravings) as measured by semi-structured diagnostic interview. Week 12
Primary Proportion of participants in remission Remission is classified as the absence of DSM-5 cannabis use disorder symptoms (except cravings) as measured by semi-structured diagnostic interview. Week 16
Primary Proportion of participants in remission Remission is classified as the absence of DSM-5 cannabis use disorder symptoms (except cravings) as measured by semi-structured diagnostic interview. Week 20
Primary Reduction in cannabis use days Number of cannabis use days assessed via daily diaries during treatment 8 weeks of treatment
Primary Reduction in cannabis use episodes Number of cannabis use episodes assessed via daily diaries during treatment 8 weeks of treatment
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