Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Nov 1, 2026, 10:11 AM EST

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Showing 49–59 of 59 matching trials from the live ClinicalTrials.gov search.
Conditions
Recovery of Function (G11.427.698.620), Athletic Performance, Heart Rate Variability (HRV)
Interventions
Magnesium L-Threonate, Placebo
Dietary Supplement · Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 35 Years
Enrollment
109 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Persistent Post-concussive Symptoms, Post Traumatic Headache
Interventions
SPINEPASS Physical Therapy, Standard Physical Therapy
Other
Lead sponsor
The University of Queensland
Other
Eligibility
18 Years to 65 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
San Antonio, Texas
Conditions
Diabetes, Neuropathy, Impaired Glucose Tolerance
Interventions
lifestyle modification
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
30 Years to 80 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
1
States / cities
Baltimore, Maryland
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Aldosterone & Sodium Regulation in Postural Tachycardia Syndrome - Screening

NCT01783288
Conditions
Postural Tachycardia Syndrome
Interventions
Autonomic Function Testing, Posture Study, Measurement of Total Blood Volume, Exercise Capacity Test
Other · Procedure
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Concussion, Mild
Interventions
Targeted Multidomain, Behavioral Management
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 49 Years
Enrollment
169 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania • Fairfax, Virginia
Completed Not applicable Interventional Accepts healthy volunteers

Vitamin D Deficiency and Dysautonomia

NCT03032328
Conditions
Vitamin D Deficiency, Orthostatic Intolerance, Nausea
Interventions
vitamin D supplement
Dietary Supplement
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
10 Years to 18 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Conditions
Heart Failure, Congestive
Interventions
atorvastatin, placebo
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Los Angeles, California
Completed Not applicable Interventional Accepts healthy volunteers

Cerebral Cortical Influences on Autonomic Function

NCT03869372
Conditions
Healthy Subjects, Functional Dyspepsia, Irritable Bowel Syndrome
Interventions
rTMS
Device
Lead sponsor
David Levinthal
Other
Eligibility
21 Years to 60 Years
Enrollment
118 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
Congenital Central Hypoventilation Syndrome, Congenital Central Hypoventilation, CCHS, CCHS With Hirschsprung Disease, CCHS With Neural Crest Tumor, CCHS With Neuroblastoma
Interventions
NIH Toolbox Cognition Battery
Other
Lead sponsor
Ilya Khaytin
Other
Eligibility
3 Years to 85 Years
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2035
U.S. locations
4
States / cities
Los Angeles, California • Chicago, Illinois • Philadelphia, Pennsylvania + 1 more
Completed No phase listed Observational Accepts healthy volunteers Results available

Study of Pain Processing in Subjects Suffering From Obstructive Sleep Apnea

NCT00672737
Conditions
Sleep Apnea, Obstructive
Interventions
Remifentanil, Cold pain threshold and tolerance, Heat pain threshold and tolerance, Polysomnography
Drug · Procedure · Device
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 55 Years · Male only
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Stanford, California
Conditions
Chronic Pain, Opioid Use
Interventions
Electroencephalography (EEG)/Magnetoencephalography (MEG)/MRI
Diagnostic Test
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Cleveland, Ohio