- Conditions
- Major Depressive Disorder
- Interventions
- Not listed
- Lead sponsor
- National Institute of Mental Health (NIMH)
- NIH
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 100 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2004 – 2008
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
Search Results
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Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 1–23
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- Conditions
- Cognitive Performance, Gaming Performance, Blood Pressure, Heart Rate, Mood
- Interventions
- Energy drink consumption
- Dietary Supplement
- Lead sponsor
- Nathaniel Jenkins
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 34 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023
- U.S. locations
- 1
- States / cities
- Iowa City, Iowa
- Conditions
- Cognitive, Mood and Cognitive Performance, Sleep Deprivation, Executive Function (Cognition), Fatigue
- Interventions
- Alpha Brain proprietary cognitive dietary supplement, Alpha Brain 2.0 proprietary cognitive dietary supplement, Controlled Placebo
- Dietary Supplement
- Lead sponsor
- Applied Science & Performance Institute
- Industry
- Eligibility
- 20 Years to 59 Years
- Enrollment
- 34 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2026
- U.S. locations
- 1
- States / cities
- Tampa, Florida
- Conditions
- Mood, Cognitive Performance, Sleep
- Interventions
- Proprietary spearmint extract, Placebo
- Dietary Supplement · Other
- Lead sponsor
- Kemin Foods LC
- Industry
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 142 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2015 – 2017
- U.S. locations
- 1
- States / cities
- Denver, Colorado
- Conditions
- Mild Cognitive Impairment
- Interventions
- Combined Cognitive and Physical, Cognitive, Physical, Active Control
- Behavioral
- Lead sponsor
- Indiana University
- Other
- Eligibility
- 65 Years and older
- Enrollment
- 201 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2019
- U.S. locations
- 1
- States / cities
- Indianapolis, Indiana
- Conditions
- Mood (Psychological Function)
- Interventions
- Relora, Placebo
- Dietary Supplement
- Lead sponsor
- InterHealth Nutraceuticals, Inc.
- Industry
- Eligibility
- 21 Years to 59 Years
- Enrollment
- 36 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- Started 2016
- U.S. locations
- 1
- States / cities
- Boca Raton, Florida
- Conditions
- Acute Physiological Effects of Organic Guayusa Extract
- Interventions
- Acute Moderate-Dose Guayusa Extract Supplementation, Acute High-Dose Guayusa Extract Supplementation, Placebo
- Dietary Supplement
- Lead sponsor
- Nathaniel Jenkins
- Other
- Eligibility
- 18 Years to 45 Years
- Enrollment
- 32 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2023
- U.S. locations
- 1
- States / cities
- Iowa City, Iowa
- Conditions
- Stress, Mood, Cognitive Change
- Interventions
- Low Dose Virtiva Plus, High Dose Virtiva Plus
- Dietary Supplement
- Lead sponsor
- Applied Science & Performance Institute
- Industry
- Eligibility
- 50 Years to 70 Years
- Enrollment
- 60 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025
- U.S. locations
- 1
- States / cities
- Tampa, Florida
- Conditions
- Endurance Cycling Performance
- Interventions
- Diet
- Other
- Lead sponsor
- Texas Christian University
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 34 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019 – 2020
- U.S. locations
- 1
- States / cities
- Fort Worth, Texas
- Conditions
- Sleep, Mood, Cognitive Performance
- Interventions
- Proprietary Spearmint Extract Blend, Control
- Dietary Supplement · Other
- Lead sponsor
- University of Arizona
- Other
- Eligibility
- 22 Years to 50 Years
- Enrollment
- 105 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2019
- U.S. locations
- 1
- States / cities
- Tucson, Arizona
- Conditions
- Depressive Disorder, Major
- Interventions
- Computer- administered test battery, Examiner- administered test battery
- Device
- Lead sponsor
- Janssen Research & Development, LLC
- Industry
- Eligibility
- 18 Years to 59 Years
- Enrollment
- 585 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016 – 2019
- U.S. locations
- 20
- States / cities
- Birmingham, Alabama • Anaheim, California • Beverly Hills, California + 17 more
- Conditions
- Cognitive Change, Mood
- Interventions
- PeakATP, Placebo
- Dietary Supplement
- Lead sponsor
- University of Central Florida
- Other
- Eligibility
- 18 Years to 40 Years
- Enrollment
- 35 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2022
- U.S. locations
- 1
- States / cities
- Orlando, Florida
- Conditions
- Sitting Position, Overexertion From Maintaining Prolonged Standing Position, Walking
- Interventions
- Performance of cognitive tasks
- Behavioral
- Lead sponsor
- Clarkson University
- Other
- Eligibility
- 18 Years to 45 Years
- Enrollment
- 31 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018
- U.S. locations
- 1
- States / cities
- Potsdam, New York
- Conditions
- Fatigue, Mental, Alertness, Mood, Motivation, Cognitive Performance
- Interventions
- Cherry-flavored still beverage, Placebo cherry-flavored still beverage
- Dietary Supplement · Other
- Lead sponsor
- PepsiCo Global R&D
- Industry
- Eligibility
- 17 Years to 50 Years
- Enrollment
- 30 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016
- U.S. locations
- 1
- States / cities
- Athens, Georgia
- Conditions
- Healthy
- Interventions
- Citicoline, Placebo
- Dietary Supplement
- Lead sponsor
- Kirin Holdings Company, Limited
- Industry
- Eligibility
- 21 Years to 65 Years
- Enrollment
- 90 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2026
- U.S. locations
- 1
- States / cities
- Canfield, Ohio
- Conditions
- Mental Processes, Cognitive Change, Mood Change
- Interventions
- Placebo, Enovita Grape Seed Extract, Mirtoselect Bilberry Extract, Virtiva Plus Ginko Biloba Extract
- Dietary Supplement
- Lead sponsor
- Applied Science & Performance Institute
- Industry
- Eligibility
- 25 Years to 55 Years
- Enrollment
- 76 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024
- U.S. locations
- 1
- States / cities
- Tampa, Florida
- Conditions
- Cognitive Performance, Memory, Mood, Anxiety
- Interventions
- Muscadine Wine Polyphenol, Placebo
- Other
- Lead sponsor
- University of Florida
- Other
- Eligibility
- 50 Years to 65 Years
- Enrollment
- 25 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2026
- U.S. locations
- 1
- States / cities
- Gainesville, Florida
- Conditions
- Alzheimer Disease and Related Dementias, Cognition, Mobility Disability
- Interventions
- Personalized Transcranial Direct Current Stimulation (tDCS), Active-Sham
- Other
- Lead sponsor
- Hebrew SeniorLife
- Other
- Eligibility
- 65 Years to 90 Years
- Enrollment
- 128 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2029
- U.S. locations
- 1
- States / cities
- Roslindale, Massachusetts
- Conditions
- Exercise Performance, Exercise Recovery, Cognitive Function, Nitric Oxide, Blood Flow, Endurance Exercise
- Interventions
- 400 mg CITRAPEAK® (glucosyl-hesperidin) supplementation, Placebo, 200 mg CITRAPEAK® (glucosyl-hesperidin) supplementation
- Dietary Supplement
- Lead sponsor
- Lindenwood University
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 60 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2026
- U.S. locations
- 1
- States / cities
- Saint Charles, Missouri
- Conditions
- Bipolar Disorder, Major Depressive Disorder, Psychosis
- Interventions
- Lurasidone, FDA Approved antidepressant treatment
- Drug
- Lead sponsor
- George West Mental Health Foundation d/b/a Skyland Trail
- Other
- Eligibility
- 18 Years to 65 Years
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2025
- U.S. locations
- 1
- States / cities
- Atlanta, Georgia
- Conditions
- Oppositional Defiant Disorder, Conduct Disorder, Attention Deficit/Hyperactivity Disorder (ADHD), Intermittent Explosive Disorder, Impulse-Control Disorders, Adjustment Disorder, Bipolar Disorder, Pervasive Developmental Disorder
- Interventions
- Risperdal
- Drug
- Lead sponsor
- Ohio State University
- Other
- Eligibility
- 4 Years to 14 Years
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 1999 – 2005
- U.S. locations
- 1
- States / cities
- Columbus, Ohio
- Conditions
- Healthy
- Interventions
- Hallucinogens and psychoactive substances
- Drug
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 21 Years to 50 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2014 – 2019
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- Reaction to Severe Stress, Unspecified
- Interventions
- Tyrosine-Containing Food Bar, Placebo Bar
- Other
- Lead sponsor
- United States Army Research Institute of Environmental Medicine
- Federal
- Eligibility
- 18 Years to 39 Years
- Enrollment
- 80 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009
- U.S. locations
- 1
- States / cities
- Brunswick, Maine