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Cannabinoid

Cannabidiol for Older Adult Cannabis Users (QUARTz Trial)

Phase 2
Recruiting
Research Sponsored by University of Colorado, Boulder
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Be older than 18 years old
Timeline
Screening 3 weeks
Treatment Varies
Follow Up 4 weeks, 8 weeks

Summary

This trial aims to study the effects of cannabis on older adults who use it for pain, anxiety, or mood issues. Participants will be randomly assigned to receive hemp-derived CBD+THC, hemp-derived

Who is the study for?
This trial is for older adults who use cannabis to manage pain, anxiety, or mood problems like depression. Participants will be randomly assigned to one of three groups: one receiving hemp-derived CBD with THC (fsCBD), another getting CBD without THC (bsCBD), and a placebo group.
What is being tested?
The study aims to test the effectiveness of two types of cannabidiol (CBD) as a harm reduction strategy for older cannabis users over an 8-week period. It compares full-spectrum CBD that includes THC (fsCBD) and broad-spectrum CBD that excludes THC (bsCBD) against a placebo.
What are the potential side effects?
Potential side effects may include changes in appetite, mood alterations, dizziness, dry mouth, or fatigue. These are common when using products containing cannabinoids such as CBD and THC.

Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~4 weeks, 8 weeks
This trial's timeline: 3 weeks for screening, Varies for treatment, and 4 weeks, 8 weeks for reporting.

Treatment Details

Study Objectives

Study objectives can provide a clearer picture of what you can expect from a treatment.
Primary study objectives
Anxiety
Balance
Blood Cytokine Levels
+13 more
Secondary study objectives
Polypharmacy-Pain Medications
Polypharmacy-Psychiatric Medications
Polypharmacy-Sleep Medications
+2 more

Trial Design

3Treatment groups
Experimental Treatment
Placebo Group
Group I: Full-Spectrum Hemp-Derived CBD (fsCBD)Experimental Treatment1 Intervention
8 weeks of use of a daily dose of cannabis (200mg CBD/4mg THC)
Group II: Broad-Spectrum Hemp-Derived CBD (bsCBD)Experimental Treatment1 Intervention
8 weeks of use of a daily dose of cannabis (200mg CBD)
Group III: PlaceboPlacebo Group1 Intervention

Find a Location

Who is running the clinical trial?

University of Colorado, BoulderLead Sponsor
124 Previous Clinical Trials
29,137 Total Patients Enrolled
3 Trials studying Anxiety
718 Patients Enrolled for Anxiety
~257 spots leftby Aug 2028
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