This study evaluates the effects of cannabis use reduction among adults diagnosed with cannabis use disorder (CUD). Participants will undergo an 8-week intervention combining motivational interviewing, computerized cognitive behavioral therapy (CBT4CBT), and financial incentives for reduction in urinary cannabinoids. The study aims to assess improvements in cannabis-related problems, sleep, cognitive performance, CUD severity, and quality of life.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
176
Participants will receive one therapist-led motivational interviewing/goal setting session followed by 7 sessions of computerized CBT4CBT.
Participants will receive one therapist-led motivational interviewing/goal setting session followed by 7 sessions of computerized CBT4CBT.
Patients will receive contingent reinforcers (financial incentives for reduction in urinary cannabinoids).
Medical University of South Carolina
Charleston, South Carolina, United States
RECRUITINGCannabis-Related Problems
Rutgers Marijuana Problem Index (RMPI)- higher scores associated with worse outcomes.
Time frame: Week 8 (end-of-treatment)
Total minutes of sleep per night
Measured via Fitbit Charge.
Time frame: Week 8 (end-of-treatment)
Minutes of light sleep per night
Measured via Fitbit Charge.
Time frame: Week 8 (end-of-treatment)
Minutes of rapid eye movement (REM) sleep per night
Measured via Fitbit Charge.
Time frame: Week 8 (end-of-treatment)
Minutes of deep sleep per night
Measured via Fitbit Charge.
Time frame: Week 8 (end-of-treatment)
Sleep efficiency rating
"Sleep score" as provided by Fitbit Charge. Range is 1-100 with higher scores indicating better sleep quality/efficiency.
Time frame: Week 8 (end-of-treatment)
Rey Auditory Verbal Learning Test (Verbal Memory) Age-Adjusted Standard Score
NIH Toolbox assessment; Higher scores indicate better cognitive functioning in this domain.
Time frame: Week 8 (end-of-treatment)
Face/Name Associative Memory Test (Visual Memory) Age-Adjusted Standard Score
NIH Toolbox assessment; Higher scores indicate better cognitive functioning in this domain.
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Time frame: Week 8 (end-of-treatment)
Oral Symbol Digit Test Age-Adjusted Standard Score
NIH Toolbox assessment; Higher scores indicate better cognitive functioning in this domain.
Time frame: Week 8 (end-of-treatment)
Pattern Comparison Processing Speed Test (Processing Speed) Age-Adjusted Standard Score
NIH Toolbox assessment; Higher scores indicate better cognitive functioning in this domain.
Time frame: Week 8 (end-of-treatment)