- Conditions
- Parkinson's Disease
- Interventions
- Nicotinamide Riboside (NR), Oral placebo capsules
- Dietary Supplement
- Lead sponsor
- University of Oklahoma
- Other
- Eligibility
- 55 Years to 85 Years
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2027
- U.S. locations
- 1
- States / cities
- Oklahoma City, Oklahoma
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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 1–10
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matching trials from the live ClinicalTrials.gov search.
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- Conditions
- Time Restricted Eating
- Interventions
- Time restricted eating
- Behavioral
- Lead sponsor
- University of Oklahoma
- Other
- Eligibility
- 21 Years and older
- Enrollment
- 11 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2024
- U.S. locations
- 1
- States / cities
- Oklahoma City, Oklahoma
- Conditions
- Cognition, Neurovascular Coupling Mechanism and Cognitive Function, Neurovascular Control, Brain Aging, Brain Activity
- Interventions
- transcranial photobiomodulation
- Device
- Lead sponsor
- University of Oklahoma
- Other
- Eligibility
- 21 Years to 85 Years
- Enrollment
- 30 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2026
- U.S. locations
- 1
- States / cities
- Oklahoma City, Oklahoma
- Conditions
- Postural Orthostatic Tachycardia Syndrome (POTS), POTS, Orthostatic Intolerance
- Interventions
- Pyridostigmine, Digoxin, Placebo
- Drug
- Lead sponsor
- New York Medical College
- Other
- Eligibility
- 15 Years to 30 Years · Female only
- Enrollment
- 51 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2022
- U.S. locations
- 1
- States / cities
- Hawthorne, New York
- Conditions
- Mild Cognitive Impairment (MCI), Amyloid Pathology
- Interventions
- Active Vielight Neuro RX-Duo device -Active transcranial photobiomodulation, Sham Vielight Neuro RX-Duo device -Sham transcranial photobiomodulation
- Device
- Lead sponsor
- University of Oklahoma
- Other
- Eligibility
- 55 Years to 95 Years
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2026
- U.S. locations
- 1
- States / cities
- Oklahoma City, Oklahoma
- Conditions
- Blood Pressure
- Interventions
- Whey protein supplement, Carbohydrate supplement
- Dietary Supplement
- Lead sponsor
- Syracuse University
- Other
- Eligibility
- 60 Years to 85 Years
- Enrollment
- 99 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2013 – 2016
- U.S. locations
- 1
- States / cities
- Syracuse, New York
- Conditions
- Disorders of Consciousness Due to Severe Brain Injury, Disorders of Consciousness, Coma, Minimally Conscious State, Unresponsive Wakefulness Syndrome, Brain Injury, TBI Traumatic Brain Injury
- Interventions
- Functional Near-Infrared Spectroscopy Monitoring
- Other
- Lead sponsor
- University of California, Los Angeles
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 55 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2026
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Aging
- Interventions
- Nicotinamide riboside, Placebo
- Drug
- Lead sponsor
- University of Oklahoma
- Other
- Eligibility
- 60 Years to 85 Years
- Enrollment
- 214 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2027
- U.S. locations
- 1
- States / cities
- Oklahoma City, Oklahoma
- Conditions
- Aging, Arterial Stiffness, Endothelial Dysfunction, Hypertension, Cognitive Decline
- Interventions
- Experimental: Nitrate-containing, Placebo: Nitrate-depleted
- Drug
- Lead sponsor
- Gary L. Pierce, PhD
- Other
- Eligibility
- 50 Years to 79 Years
- Enrollment
- 16 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2024
- U.S. locations
- 1
- States / cities
- Iowa City, Iowa
- Conditions
- Healthy, Vasodilation, Insulin Resistance, Autonomic Dysfunction, Obesity
- Interventions
- Carbon dioxide breathing, Neurovascular Coupling, Human insulin
- Other · Drug
- Lead sponsor
- University of Missouri-Columbia
- Other
- Eligibility
- 18 Years to 45 Years
- Enrollment
- 65 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2027
- U.S. locations
- 1
- States / cities
- Columbia, Missouri