- Conditions
- Adverse Childhood Experiences, Vascular Dilatation, Sleep, Sleep Disturbance, Psychosocial Stressor, Psychological Trauma, Endothelial Dysfunction, Inflammation, Oxidative Stress
- Interventions
- Cognitive Behavioral Therapy for Insomnia (CBT-i)
- Behavioral
- Lead sponsor
- Nathaniel Jenkins
- Other
- Eligibility
- 18 Years to 29 Years
- Enrollment
- 70 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024 – 2028
- U.S. locations
- 1
- States / cities
- Iowa City, Iowa
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Showing 1–5
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- 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
- Conditions
- Caffeine, Exercise Performance, Energy Drink, Cardiovascular Safety, Mood
- Interventions
- Acute energy drink or placebo consumption
- Dietary Supplement
- Lead sponsor
- Nathaniel Jenkins
- Other
- Eligibility
- 20 Years to 35 Years · Male only
- Enrollment
- 109 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2022
- U.S. locations
- 1
- States / cities
- Iowa City, Iowa
- 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
- 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