- Conditions
- Sleep
- Interventions
- Placebo Capsule, POWEROFF Capsule
- Dietary Supplement
- Lead sponsor
- NYU Langone Health
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 60 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2018
- U.S. locations
- 1
- States / cities
- New York, New York
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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 1–6
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- Conditions
- Physiological Stress
- Interventions
- mental stress task
- Other
- Lead sponsor
- Texas State University
- Other
- Eligibility
- 18 Years to 40 Years
- Enrollment
- 109 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2023
- U.S. locations
- 1
- States / cities
- San Marcos, Texas
- Conditions
- Mental Fatigue
- Interventions
- Caffeine Blend, Sugar Pill
- Dietary Supplement · Other
- Lead sponsor
- University of Mary Hardin-Baylor
- Other
- Eligibility
- 18 Years to 25 Years · Male only
- Enrollment
- 31 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016
- U.S. locations
- 1
- States / cities
- Belton, Texas
- Conditions
- Theanine, (L)-Isomer
- Interventions
- L-theanine capsule, Placebo capsule
- Dietary Supplement
- Lead sponsor
- The University of Texas Health Science Center, Houston
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 26 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011 – 2012
- U.S. locations
- 1
- States / cities
- Sugar Land, Texas
- Conditions
- Attention Deficit Hyperactivity Disorder (ADHD), Autism Spectrum Disorder (ASD)
- Interventions
- L-theanine and paraxanthine, Placebo
- Dietary Supplement
- Lead sponsor
- Texas Tech University Health Sciences Center
- Other
- Eligibility
- Male only
- Enrollment
- 17 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2026
- U.S. locations
- 1
- States / cities
- Lubbock, Texas
- Conditions
- Cortical Excitability, Psychiatric Disorder
- Interventions
- L-theanine, Placebo
- Drug
- Lead sponsor
- Butler Hospital
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 11 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020 – 2021
- U.S. locations
- 1
- States / cities
- Providence, Rhode Island