Status:

COMPLETED

Examine the Feasibility of a Standardized Field Test for Marijuana and Alcohol Impairment: Laboratory Evaluations

Lead Sponsor:

Yale University

Collaborating Sponsors:

National Highway Traffic Safety Administration (NHTSA)

Hartford Hospital

Conditions:

Marijuana Impairment

Alcohol Impairment

Eligibility:

All Genders

21-40 years

Phase:

EARLY_PHASE1

Brief Summary

Alcohol and Cannabis (CNB) are two of the most widely used intoxicants. The effects of driving while intoxicated on alcohol are well documented, resulting in numerous drunken driving laws and regulati...

Detailed Description

Alcohol is one of the most widely used substances. The effects of driving while intoxicated are well documented, leading to laws and regulations behind drunk driving. Marijuana is also a commonly abus...

Eligibility Criteria

Inclusion

  • Must have a driver's license; recent 2 years highway driving experience
  • Cannabis use for at least the past 2 years and report of getting high when smoking cannabis to avoid recruiting novice/inexperienced users.
  • Reports regularly drinking and smoking (does not need to be at the same time)
  • Use cannabis at least 5 times within life up to daily use, with occasional day of abstinence with no symptoms of craving or withdrawal.

Exclusion

  • Pregnancy, breastfeeding, and ineffective birth control methods.
  • Current severe substance use disorder (except cannabis and tobacco substance use disorders)
  • history of adverse effects with cannabis use
  • serious medical, neuro-ophthalmological, or neurological illness (i.e. cancer, seizure disorders, encephalopathy)
  • current diagnosis of any DSM-5 psychiatric disorder
  • prior diagnosis of any DSM-5 psychiatric disorder
  • report of any psychotic disorder in a first-degree relative
  • history of head trauma with loss of consciousness \> 30 minutes or concussion lasting 30 days.
  • any medical/neurological condition that could compromise neurocognitive performance (i.e. epilepsy, multiple sclerosis, fetal alcohol syndrome)
  • recovering alcoholics or anyone currently abstaining from alcohol.

Key Trial Info

Start Date :

July 28 2021

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

August 23 2023

Estimated Enrollment :

41 Patients enrolled

Trial Details

Trial ID

NCT04856566

Start Date

July 28 2021

End Date

August 23 2023

Last Update

July 1 2025

Active Locations (1)

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1

Hartford Hospital

Hartford, Connecticut, United States, 06106