Combined Effects of Alcohol and Caffeine

Completed · Phase 1 · Has a placebo group

Conditions studied: Alcohol or Other Drugs Effects

In brief

The purpose of this study is to investigate the effects of caffeine on the self-administration of alcohol. The study will also examine the combined effects of alcohol and caffeine on behavioral performance, participant ratings of behavioral performance, and self-reported subjective effects.

Key facts

Study ID

NCT01289561

Run by

Johns Hopkins University

People needed

20

Starts

2011-01-01

Expected to finish

2015-01-01

Last updated by the study team

2016-02-24

Who can join

Age: 21 and older, up to 50. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• Very light or moderate consumer of caffeine (either daily or non-daily).
• Social drinker of alcohol.
• Has experience in lifetime of heavy alcohol consumption.
• Read, write, and speak English fluently.

You may not qualify if…

• Serious and unstable illnesses including current hepatic, renal, gastroenterologic, respiratory, cardiovascular (including ischemic heart disease, uncontrolled hypertension, and congestive heart failure), endocrinologic, neurologic (including stroke, transient ischemic attack, subarachnoidal bleeding, brain tumor, encephalopathy, and meningitis), or hematologic disease.
• Parkinson's disease, seizure disorder, or history of significant head trauma.
• Current psychiatric illness
• Pregnant or nursing women or women who are not using an effective means of birth control.

Where it is running

• Behavioral Pharmacology Research Unit — Baltimore, Maryland, United States

Full record on ClinicalTrials.gov

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