Actively Recruiting
Sex Differences in Neurobehavioral Response to THC
Led by Medical University of South Carolina · Updated on 2026-05-06
40
Participants Needed
1
Research Sites
87 weeks
Total Duration
On this page
Sponsors
M
Medical University of South Carolina
Lead Sponsor
N
National Institutes of Health (NIH)
Collaborating Sponsor
AI-Summary
What this Trial Is About
This study investigates sex differences in reward processing following acute THC administration in adults with cannabis use disorder (CUD). Using multimodal neuroimaging (MRS and fMRI), the study will assess glutamate levels in the nucleus accumbens and striatal BOLD response to monetary reward anticipation. Participants will complete two counterbalanced dosing sessions (oral THC 40 mg vs. placebo).
CONDITIONS
Official Title
Sex Differences in Neurobehavioral Response to THC
Who Can Participate
Eligibility Criteria
You may qualify if you...
- Age 21 to 45 years
- Meet DSM-5 criteria for cannabis use disorder
- Use cannabis at least 4 days per week
- Positive urine test for THC
- Body mass index between 18 and 30
- Regular menstrual cycle (females only)
- Willing to use non-hormonal birth control (females only)
You will not qualify if you...
- History of lifetime psychotic or bipolar disorder
- Recent use of drugs other than cannabis
- Current use of psychotropic medications
- Currently seeking treatment for substance use disorder
- Current psychiatric disorders except mild alcohol, nicotine, or caffeine use disorder
- Pregnant or breastfeeding
- Contraindications for MRI scanning
AI-Screening
AI-Powered Screening
Complete this quick 3-step screening to check your eligibility
Trial Site Locations
Total: 1 location
1
Medical University of South Carolina
Charleston, South Carolina, United States, 29403
Actively Recruiting
How is the study designed?
Study Type
INTERVENTIONAL
Masking
DOUBLE
Allocation
RANDOMIZED
Model
CROSSOVER
Primary Purpose
BASIC_SCIENCE
Number of Arms
2
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