- Conditions
- Positron Emission Tomography
- Interventions
- positron emission tomography scan
- Other
- Lead sponsor
- VA Office of Research and Development
- Federal
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 184 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2016
- U.S. locations
- 2
- States / cities
- San Diego, California • West Los Angeles, California
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- Conditions
- Caffeine Dependence, Anxiety, Sleep Disturbance, Gastrointestinal Dysfunction, Sleep Initiation and Maintenance Disorders, Caffeine; Sleep Disorder, Caffeine, Caffeine-Induced Anxiety Disorder, Caffeine Withdrawal, Caffeine-Induced Sleep Disorder, Without Use Disorder, Caffeine Abuse, Insomnia, Anxiety Disorders, Sleep Disorder, Heartburn, Diarrhea
- Interventions
- Caffeine Reduction Manual
- Behavioral
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 109 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020 – 2023
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- Cocaine Dependence
- Interventions
- Caffeine 150 MG, Placebo, Amphetamine, Caffeine 300 MG
- Drug
- Lead sponsor
- Virginia Commonwealth University
- Other
- Eligibility
- 18 Years to 55 Years
- Enrollment
- 23 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008 – 2011
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- Pain, Postoperative
- Interventions
- Caffeine Citrate, Dextrose Water
- Drug
- Lead sponsor
- University of Michigan
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 71 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2020
- U.S. locations
- 1
- States / cities
- Ann Arbor, Michigan