Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 26, 2026, 6:26 PM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Sleep Quality
Interventions
Risk Stratification, Usual Care
Behavioral
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
166 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Satiety in Healthy Volunteers
Interventions
Erythritol, Aspartame
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 40 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Pulmonary Embolism, Deep Vein Thrombosis, Cancer, Surgery
Interventions
Human Alert
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
2,496 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
26
States / cities
Scottsdale, Arizona • Long Beach, California • Orange, California + 22 more
Conditions
Acute Coronary Syndrome
Interventions
PMA P150009 AngelMed Guardian® System
Device
Lead sponsor
Angel Medical Systems
Industry
Eligibility
21 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
18
States / cities
Glendale, Arizona • Mesa, Arizona • Los Angeles, California + 14 more
Conditions
Overactive Bladder
Interventions
(VERV™ System), Sham version of (VERV™ System)
Device
Lead sponsor
Ethicon Endo-Surgery
Industry
Eligibility
18 Years and older
Enrollment
163 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
14
States / cities
Tucson, Arizona • Murrieta, California • Washington D.C., District of Columbia + 11 more
Conditions
Pre-Exposure Prophylaxis
Interventions
Point-of-care decision support intervention
Behavioral
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years and older
Enrollment
121 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Oakland, California
Completed Not applicable Interventional Accepts healthy volunteers

Guayusa Extract on Exercise Training

NCT05820399
Conditions
Desire to Exercise, Exercise Training, Physical Exertion
Interventions
Organic Guayusa Extract, Placebo
Dietary Supplement
Lead sponsor
Nathaniel Jenkins
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Iowa City, Iowa
Completed Not applicable Interventional Accepts healthy volunteers

Dose Effect of a Plant Extract on Fatigue

NCT03870126
Conditions
Mental Energy, Physical Performance
Interventions
Flavored beverage
Other
Lead sponsor
PepsiCo Global R&D
Industry
Eligibility
18 Years to 49 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Athens, Georgia
Completed Not applicable Interventional Accepts healthy volunteers Results available

Gender Difference in Response to Caffeine in Children and Adolescents

NCT02119416
Conditions
Healthy
Interventions
Placebo Administration first, Low Caffeine Administration first (1mg/kg body weight), High Caffeine Administration first (2mg/kg body weight)
Drug
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
8 Years to 17 Years
Enrollment
101 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Buffalo, New York
Conditions
Palliative Care
Interventions
Generalist + Specialist palliative care, Pre-Intervention phase
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
18,884 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Pediatric Obesity
Interventions
Interruptive Clinical Decision Support
Behavioral
Lead sponsor
Yale University
Other
Eligibility
Not listed
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Acute Kidney Injury, Hypoxic-Ischemic Encephalopathy, Caffeine
Interventions
Caffeine citrate
Drug
Lead sponsor
University of Arkansas
Other
Eligibility
0 Hours to 24 Hours
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
2
States / cities
Little Rock, Arkansas
Conditions
Neonatal Apnea, Infants
Interventions
Caffeine Citrate
Drug
Lead sponsor
University of Rochester
Other
Eligibility
0 Days to 27 Weeks
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Rochester, New York
Completed Not applicable Interventional Accepts healthy volunteers

Whole Coffee Cherry Study

NCT04986956
Conditions
Effect of Drug
Interventions
Whole coffee cherry extract, Placebo
Dietary Supplement
Lead sponsor
Auburn University
Other
Eligibility
40 Years to 65 Years
Enrollment
323 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Auburn, Alabama
Conditions
Autosomal Dominant Polycystic Kidney Disease (ADPKD)
Interventions
Interventional Diet
Other
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Loma Linda, California
Completed Not applicable Interventional Accepts healthy volunteers

Fire Fighter Fatigue Management Program: Operation Fight Fatigue

NCT01672502
Conditions
Shift-Work Sleep Disorder, Insomnia, Restless Leg Syndrome, Obstructive Sleep Apnea, Impaired Driving
Interventions
Sleep health education provided via a web-based program, Sleep disorder detection and treatment, Optimization of Sleep in Fire Station
Behavioral · Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
620 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
HIV Infections, Substance Use Disorders, Mental Health Disorder, Addiction, Opioid Use, Drug Use
Interventions
Collaborative Care Model
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 99 Years
Enrollment
405 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Completed Not applicable Interventional Accepts healthy volunteers

Guayusa: The Effect of an Herbal Extract on Alertness and Mental Fatigue

NCT05530915
Conditions
Attention Difficulties
Interventions
Gel capsule
Other
Lead sponsor
PepsiCo Global R&D
Industry
Eligibility
18 Years to 55 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Addison, Illinois
Conditions
Pulmonary Embolism, Deep Vein Thrombosis, Prophylaxis, Venous Thromboembolism, Prevention
Interventions
Alert
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
2,515 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
22
States / cities
Long Beach, California • Orange, California • Sacramento, California + 18 more
Completed Not applicable Interventional Accepts healthy volunteers

Effects of a Cocoa Shot on the Human Brain

NCT01924481
Conditions
Caffeine, Flavonoids
Interventions
High Caffeine, Low caffeine, High theobromine, low theobromine, No theobromine
Dietary Supplement
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 38 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Conditions
Postoperative Delirium, Postoperative Cognitive Dysfunction, Mild Cognitive Impairment
Interventions
Dextrose Water, Caffeine citrate
Drug
Lead sponsor
University of Michigan
Other
Eligibility
70 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Ann Arbor, Michigan
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of Phytochemicals From Theobroma Cacao on Mental Energy

NCT01651793
Conditions
Mental Fatigue
Interventions
Caffeinated cocoa, Cocoa, Caffeine, Placebo
Other
Lead sponsor
University of Georgia
Other
Eligibility
18 Years to 34 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Athens, Georgia
Recruiting No phase listed Observational Accepts healthy volunteers

MicroRNA Correlates of Childhood Maltreatment and Suicidality

NCT04923685
Conditions
Major Depressive Disorder, Suicidal Ideation
Interventions
Trier Social Stress Test
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 60 Years
Enrollment
450 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
2
States / cities
Birmingham, Alabama • Huntsville, Alabama
Active, not recruiting Phase 1 Interventional

Dose Optimization of Caffeine for HIE

NCT06448780
Conditions
Hypoxic-Ischemic Encephalopathy
Interventions
Caffeine citrate 20 mg/kg, Caffeine citrate 30 mg/kg
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
Up to 24 Hours
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
2
States / cities
Chapel Hill, North Carolina • Wilmington, North Carolina