Evaluation of an Eye Tracking Sensor to Detect Cannabis Impairment

Stopped early · Early Phase 1

Conditions studied: Cannabis Intoxication

In brief

The purpose of this study is to determine if an eye tracking impairment sensor can detect cannabis-induced impairment after using cannabis.The overall objective is to correlate measures collected from the eye tracking sensor with measures related to cannabis impairment (e.g., plasma THC levels, self-reported cannabis subjective effects, cognitive effects).

Key facts

Study ID

NCT03994926

Run by

Battelle Memorial Institute

People needed

3

Starts

2020-02-03

Expected to finish

2020-03-13

Last updated by the study team

2021-10-01

Who can join

Age: 18 and older, up to 55. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• Willing to sign a confidentiality agreement stating the will not discuss study specifics, information or materials presented to them in the study with those not involved in the study;
• Currently living in Baltimore City or Baltimore County, MD, or Investigator discretion;
• Able to read, understand, and sign informed consent;
• 18-55 years old;
• Self-reports lifetime smoking of cannabis at least 10 times without any negative side effects;
• Self-reports past-year smoking of cannabis at least 1 time but no more than 2 days per week on average;
• Designation of Medically Healthy for Research by the Study Physician.
• Agree to abstain from consuming alcohol for 10 hours and marijuana for 72 hour prior to the study visit

You may not qualify if…

• BAC > 0.020% as measured by alcohol breathalyzer;
• Meets DSM-5 criteria for any current Axis I disorder other than mild or moderate Cannabis Use Disorder;
• Self-reported current desire to stop cannabis use, defined as 7 or greater on an 11-rung (scale of 0-10) on the Contemplation Ladder assessment;
• Self-reported current asthma, chronic obstructive pulmonary disease, hypertension, cardiovascular disease or any other medical illness that precludes participation based on the clinical judgment of the Study Physician and Investigative Team;
• Has difficulties with blood draws or poor venous access;
• History of blood donation in the past 30 days or receiving blood products within the past 2 months prior to any experimental visit;
• Investigator discretion due to self-reported use of medical cannabis or using cannabis for self-medication;
• Among females, current pregnancy or lactation or attempting to get pregnant, or at risk of becoming pregnant, as defined as being sexually active with a male partner and not willing to use a reliable form of contraception;
• Investigator discretion due to use of caffeine, over-the-counter (OTC) drugs, prescription drugs, alcohol, or physical/mental health history;
• Positive urine drug screen for drugs included on the urine drug panel other than cannabis;
• Acute illness (such as cold or flu) which will require participant to be rescheduled, if authorized by study PI;
• Vital signs thought to be clinically significant by licensed medical professional;
• Self-reported history or medical evidence of prior intravenous drug use; and
• Investigator discretion due to medical, mental health, or substance use history.
• Presence of implanted devices in the body (pacemaker etc)
• Previously reported negative effects from the use of VR goggles or negative effects from the use of VR goggles during screening

Where it is running

• Battelle Memorial Institute — Baltimore, Maryland, United States

Full record on ClinicalTrials.gov

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