800
Participants
Start Date
March 31, 2004
Primary Completion Date
October 31, 2026
Study Completion Date
October 31, 2026
Ethanol
Beverage containing 0.8 g/kg ethanol, 0.4 g/kg ethanol
Placebo
Beverage containing 0.0 g/kg alcohol to act as placebo
Diphenhydramine
Beverage containing dose equivalent to 1.5 standard doses of Diphenhydramine (Benadryl)
Caffeine
Beverage containing the equivalent of 1.5 times the participant's daily caffeine intake
Clinical Addictions Research Laboratory, Chicago
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
NIH
University of Chicago
OTHER