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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Autonomic Function Assessment Clear all
Recruiting No phase listed Observational

Neurocognition in Congenital Central Hypoventilation Syndrome (CCHS)

NCT03568669
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Sep 14, 2026, 9:12 PM EDT
Completed Phase 1 Interventional

The Pathophysiology of Orthostatic Hypotension

NCT00748059
View directory record Official record
Conditions
Autonomic Nervous System Diseases, Orthostatic Hypotension, Dopamine Beta-Hydroxylase Deficiency, Orthostatic Intolerance
Interventions
Standing or upright tilt, Microneurography, QSweat, neck cuff stimulation, phenylephrine,isoproterenol,nitroprusside,propranolol,edrophonium,atropine,tyramine, clonidine,yohimbine,metoclopramide,alpha-methyldopa, BodPod, Eye exam, Sleep study, Pain response testing, Metabolic chamber, Brain function studies, Bicycle Exercise Test
Procedure · Device · Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
12 Years to 70 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2020
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 11, 2021 · Synced Sep 14, 2026, 9:12 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Magnesium L-Threonate on Sleep, Recovery, and Athletic Performance in Collegiate Athletes

NCT07015047
View directory record Official record
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
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 14, 2025 · Synced Sep 14, 2026, 9:12 PM EDT
Recruiting Not applicable Interventional

K23- Physical Self Regulation vs Placebo

NCT06357702
View directory record Official record
Conditions
Temporomandibular Disorder
Interventions
Physical Self Regulation Telehealth, Psycho-education Telehealth
Behavioral
Lead sponsor
Ian Boggero, PhD
Other
Eligibility
18 Years and older
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Sep 14, 2026, 9:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pain Avoidance Behavior and Its Relation to Risk for Opioid Use in Chronic Pain Patients

NCT04603417
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 26, 2025 · Synced Sep 14, 2026, 9:12 PM EDT
Recruiting Phase 3 Interventional Accepts healthy volunteers

Exploring Sympathetic Nervous System Function in Individuals With Down Syndrome

NCT07238465
View directory record Official record
Conditions
Down Syndrome, Autonomic Dysfunction
Interventions
Fear Response, Cold Stress, Pain Response, Caffeine, 12-Hour Fast, Maximal Dynamic Exercise
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 50 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced Sep 14, 2026, 9:12 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Assessment of Antibodies and Inflammatory Markers in Postural Tachycardia Syndrome

NCT02196376
View directory record Official record
Conditions
Postural Orthostatic Tachycardia Syndrome
Interventions
History, Physical, blood draw, Questionnaires
Other · Behavioral
Lead sponsor
Vanderbilt University
Other
Eligibility
13 Years to 80 Years
Enrollment
212 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2029
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 9, 2025 · Synced Sep 14, 2026, 9:12 PM EDT
Recruiting Not applicable Interventional

Understanding Perinatal Spinal Cord Injury

NCT06808035
View directory record Official record
Conditions
Perinatal Spinal Cord Injury
Interventions
Activity-Based Recovery Training, Transcutaneous Spinal Cord Stimulation
Other · Device
Lead sponsor
University of Louisville
Other
Eligibility
3 Years to 8 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Sep 14, 2026, 9:12 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Aldosterone & Sodium Regulation in Postural Tachycardia Syndrome - Screening

NCT01783288
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 12, 2026 · Synced Sep 14, 2026, 9:12 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cardiovascular, Cerebrovascular, and Cognitive Function in Spinal Cord Injury

NCT02122991
View directory record Official record
Conditions
Spinal Cord Injury
Interventions
Not listed
Lead sponsor
James J. Peters Veterans Affairs Medical Center
Federal
Eligibility
30 Years to 64 Years
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Feb 18, 2018 · Synced Sep 14, 2026, 9:12 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Microneurography and Spinal Cord Stimulation in Chronic Visceral Pain

NCT00678717
View directory record Official record
Conditions
Chronic Pain
Interventions
Autonomic Evaluation
Procedure
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 15, 2018 · Synced Sep 14, 2026, 9:12 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Cardiovascular Function and Response to Stimulation Within the First Year After Spinal Cord Injury

NCT06841198
View directory record Official record
Conditions
Spinal Cord Injuries (SCI), Orthostatic Hypotension, Dysautonomic, Cardiovascular, Transcutaneous Spinal Stimulation
Interventions
spinal cord transcutaneous stimulation, Ice testing
Device · Procedure
Lead sponsor
Kessler Foundation
Other
Eligibility
18 Years to 75 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
West Orange, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Sep 14, 2026, 9:12 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Low-intensity Focused Ultrasound and Autonomic Response

NCT05834829
View directory record Official record
Conditions
Autonomic Dysfunction
Interventions
Low-intensity focused ultrasound neuromodulation, Sham Low-intensity focused ultrasound
Device
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
18 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 7, 2026 · Synced Sep 14, 2026, 9:12 PM EDT
Completed Phase 4 Interventional Results available

Dapagliflozin and Measures of Cardiovascular Autonomic Function in Patients With Type 2 Diabetes (T2D)

NCT02973477
View directory record Official record
Conditions
Type2 Diabetes, Cardiovascular Diseases
Interventions
Dapagliflozin, Glimepiride
Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 21, 2020 · Synced Sep 14, 2026, 9:12 PM EDT
Completed Not applicable Interventional

Hypoglycemia and Autonomic Nervous System Function- B2

NCT03422471
View directory record Official record
Conditions
Hypoglycemia, Type2 Diabetes
Interventions
Hyperinsulinemic Hypoglycemic Clamp
Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 55 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 1, 2026 · Synced Sep 14, 2026, 9:12 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

The Effect of Different Low-Level Tragus Stimulation Parameters On Autonomic Nervous System Function

NCT04682704
View directory record Official record
Conditions
Atrial Fibrillation, Heart Failure, Diastolic
Interventions
Parasym
Device
Lead sponsor
University of Oklahoma
Other
Eligibility
21 Years to 90 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Feb 20, 2024 · Synced Sep 14, 2026, 9:12 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Impact of Age on Cardiovascular, Cerebrovascular and Cognitive Health in Spinal Cord Injury

NCT01984476
View directory record Official record
Conditions
Spinal Cord Injury
Interventions
Not listed
Lead sponsor
James J. Peters Veterans Affairs Medical Center
Federal
Eligibility
25 Years to 65 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
West Orange, New Jersey
Source: ClinicalTrials.gov public record
Updated Oct 16, 2017 · Synced Sep 14, 2026, 9:12 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Deciphering Preserved Autonomic Function After Multiple Sclerosis

NCT07012135
View directory record Official record
Conditions
Multiple Sclerosis, Control Subjects, Autonomic Dysreflexia
Interventions
Tests of sympathetic inhibition, Tests of sympathetic activation, Testing of autonomic dysreflexia
Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 50 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Sep 14, 2026, 9:12 PM EDT
Recruiting Not applicable Interventional

Comparing Efficacy of Osteopathic Manipulation vs. Wrist Immobilization for Carpal Tunnel Syndrome

NCT07432750
View directory record Official record
Conditions
Carpal Tunnel Syndrome (CTS)
Interventions
Osteopathic Manipulative Treatment, Wrist Immobilizer
Procedure · Device
Lead sponsor
New York Institute of Technology
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Old Westbury, New York
Source: ClinicalTrials.gov public record
Updated Feb 24, 2026 · Synced Sep 14, 2026, 9:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Vascular Effects of Acute Sodium (VEAS) Study

NCT04244604
View directory record Official record
Conditions
Sodium Excess, Racial Disparities, Blood Pressure, Cardiovascular Risk Factor
Interventions
Low Sodium Meal (140 mg sodium chloride), High Sodium Meal (2500 mg sodium chloride)
Other
Lead sponsor
Indiana University
Other
Eligibility
19 Years to 75 Years
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
2
States / cities
Auburn, Alabama • Bloomington, Indiana
Source: ClinicalTrials.gov public record
Updated Dec 18, 2025 · Synced Sep 14, 2026, 9:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Vitamin D Deficiency and Dysautonomia

NCT03032328
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 26, 2023 · Synced Sep 14, 2026, 9:12 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Effects of Barefoot Running vs. in Shoes on Physiology and Mood

NCT01733381
View directory record Official record
Conditions
Autonomic Nervous System (ANS) Functioning and Mood State
Interventions
Not listed
Lead sponsor
University of Arizona
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 30, 2025 · Synced Sep 14, 2026, 9:12 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

A Longitudinal Examination of Aging With a Spinal Cord Injury: Cardiovascular, Cerebrovascular and Cognitive Consequences

NCT03023163
View directory record Official record
Conditions
Spinal Cord Injury
Interventions
Longitudinal
Other
Lead sponsor
James J. Peters Veterans Affairs Medical Center
Federal
Eligibility
28 Years to 75 Years
Enrollment
92 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
West Orange, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 25, 2023 · Synced Sep 14, 2026, 9:12 PM EDT
Recruiting Phase 2Phase 3 Interventional

Randomized Controlled Trial of Treatment to Optimize Heart Rate Variability for Persistent Post-Concussion Symptoms

NCT07071350
View directory record Official record
Conditions
Autonomic Nervous System Disease, Concussive Injury, Mild Traumatic Brain Injury, Post Traumatic Stress Disorder, Persistent Post Concussion Syndrome
Interventions
HRV Coherence Ratio, NSI, Pittsburgh Sleep Quality Index (PSQI), Quantitative Sleep Measures, Patient Global Impression of Change (PGIC), Cognitive Performance/NIH Toolbox Cognitive Battery, Pain Interference/TBI-QoL Pain Interference Short-Form, Patient Health Questionnaire-9 (PHQ-9), PTSD Checklist for DSM-5 (PCL-5), HRV Biofeedback (HRV-B), Psychoeducational (Edu) Comparator Intervention
Other · Behavioral
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
148 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 16, 2025 · Synced Sep 14, 2026, 9:12 PM EDT