Novel Approaches to Assessing Cannabis Impaired Driving (NAACID)
United States207 participantsStarted 2020-06-20
Plain-language summary
Researchers at the University of Colorado Anschutz Medical Campus, Colorado School of Public Health, and Injury \& Violence Prevention Center want to learn more about how people are affected by cannabis in different ways. The study will use a driving simulator to compare the driving performance of adults who use cannabis daily, occasionally or have not recently used cannabis.
Who can participate
Age range25 Years – 55 Years
SexALL
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Inclusion criteria
✓. Participants who are ≥21 years old and ≤55 years old
✓. Participants who are able to provide written, informed consent
✓. Participants with active healthcare coverage (including health insurance, Medicaid, etc.)
✓. Participants who are willing to complete up to two in-person study visits (one for Phases 1 \& 2, and two for Phases 3 \& 4), including up to two urine drug screens, two alcohol breathalyzer tests, and one urine pregnancy test (if applicable)
✓. Participants who agree to refrain from using non-prescription psychotropic drugs (e.g., ecstasy), hallucinogens, and synthetic cannabinoids during the study
✓. Participants who agree to refrain from drinking \>3 alcoholic drinks the day prior to the data collection study visit (the single visit for Phases 1 \& 2, and the second visit for Phases 3 \& 4)
✓. Participants who agree to refrain from using any cannabis products for at least 8 hours prior to the data collection study visit (the single visit for Phases 1 \& 2, and the second visit for Phases 3 \& 4)
✓. Participants who are willing to provide and use their own cannabis product that has been procured from a licensed dispensary, is labeled with THC potency, and contains \<2% CBD (cannabis use groups only; the single visit for Phases 1 \& 2, and the second visit for Phases 3 \& 4)
Exclusion criteria
✕. Prisoners
✕. Participants who have nocturnal schedules (e.g., work night shifts)
✕. Participants with a history of abuse or addiction to substances other than cannabis (e.g., prescription and non-prescription pharmaceuticals, alcohol, or illicit drugs)
✕. Participants who have expressed an interest in substance abuse treatment within the 60 days prior to study enrollment
✕. Participants who report consuming an average of \>3 alcoholic drinks per day in the 30 days prior to study enrollment
✕. Participants with any past or current diagnosis of schizophrenia, narcolepsy, heart disease, epilepsy, or a traumatic brain injury
✕. Participants who are currently experiencing untreated bipolar disorder, major depression, sleep apnea, or other uncontrolled medical conditions as determined by the investigators (e.g., hypertension)
✕. Participants with a known balance or gait disorder