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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Autonomic Nervous System Dysfunction Clear all
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Pathophysiology of Orthostatic Intolerance

NCT00608725
View directory record Official record
Conditions
Tachycardia, Postural Orthostatic Tachycardia Syndrome
Interventions
DAXOR, QSweat, Intrinsic Heart Rate
Radiation · Procedure · Drug
Lead sponsor
Satish R. Raj
Other
Eligibility
18 Years to 80 Years
Enrollment
260 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1996 – 2029
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 7, 2025 · Synced Jul 23, 2026, 3:01 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Upper- and Lower-body Resistance Exercise With and Without Blood Flow Restriction on Hemodynamics and Vascular Function

NCT03225898
View directory record Official record
Conditions
Endothelial Dysfunction, Autonomic Dysfunction
Interventions
Resistance Exercise with Blood Flow Restriction, High-intensity Resistance Exercise
Other
Lead sponsor
Kent State University
Other
Eligibility
18 Years to 30 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Kent, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 23, 2017 · Synced Jul 23, 2026, 3:01 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 Jul 23, 2026, 3:01 PM EDT
Completed No phase listed Observational

Variability Analysis as a Predictor of Liberation From Mechanical Ventilation

NCT01140750
View directory record Official record
Conditions
Mechanical Ventilation, Autonomic Nervous System Diseases
Interventions
Not listed
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 8, 2010 · Synced Jul 23, 2026, 3:01 PM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Differing Levels of Hypoglycemia

NCT02445781
View directory record Official record
Conditions
Hypoglycemia
Interventions
Glucose clamp
Device
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 55 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 9, 2025 · Synced Jul 23, 2026, 3:01 PM EDT
Not listed Not applicable Interventional

A Wearable Nerve Stimulator for Chronic Migraine/Headache and Mood Disturbance in Adolescents

NCT05702528
View directory record Official record
Conditions
Migraine in Adolescence, Headache, Mood Disturbance
Interventions
Apollo Neuro
Device
Lead sponsor
University of South Carolina
Other
Eligibility
10 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Jan 26, 2023 · Synced Jul 23, 2026, 3:01 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Cardiac Autonomic Function in Women with Microvascular Coronary Dysfunction

NCT01568177
View directory record Official record
Conditions
Microvascular Coronary Dysfunction
Interventions
Mental Stress Testing, Peripheral Arterial Tonometry (PAT) Testing, Heart Rate Variability (HRV), RESPeRATE Breathing Trial, SPECT cardiac scan with 123I-mIBG and Myoview
Behavioral · Other · Procedure
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Jul 23, 2026, 3:01 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Cardiovascular Autonomic Function and Endogenous Pain Modulation

NCT03911609
View directory record Official record
Conditions
Fibromyalgia, Exercise, Pain, Autonomic Dysfunction, Physical Activity
Interventions
Exercise, Cognitive Task
Other
Lead sponsor
Marquette University
Other
Eligibility
18 Years to 75 Years
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 10, 2019 · Synced Jul 23, 2026, 3:01 PM EDT
Recruiting Not applicable Interventional

Assessment of Remote Approaches for Identification of Autonomic Dysfunction Among Survivors of Leukemia and Lymphoma

NCT06747910
View directory record Official record
Conditions
Childhood Cancer
Interventions
Exercise Intervention - Ewing Battery Assessment, Questionnaire Administration, Medical Device Usage and Evaluation
Other · Device
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
18 Years and older
Enrollment
188 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Jul 23, 2026, 3:01 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Autonomic Reactivity and Personalized Neurostimulation

NCT06863207
View directory record Official record
Conditions
Functional Gastrointestinal Disorders (FGIDs), Cyclic Vomiting Syndrome, Functional Dyspepsia, Dysautonomia
Interventions
Percutaneous electrical nerve field stimulation, Hypnotherapy
Device · Behavioral
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
11 Years to 18 Years · Female only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Jul 23, 2026, 3:01 PM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Inflammation Inhibition in Prediabetic Humans

NCT01977417
View directory record Official record
Conditions
Prediabetes, Obese
Interventions
Salsalate, Placebo
Drug
Lead sponsor
Gary L. Pierce
Other
Eligibility
18 Years to 79 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2021
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Sep 10, 2023 · Synced Jul 23, 2026, 3:01 PM EDT
Active, not recruiting Phase 2 Interventional

Adrenergic Blockers for Cardiac Changes in Early Parkinson's Disease (Protocol 53136)

NCT03775096
View directory record Official record
Conditions
REM Sleep Behavior Disorder, Pre-motor Parkinson Disease, Symptomatic Parkinson Disease
Interventions
Carvedilol
Drug
Lead sponsor
Michele Tagliati, MD
Other
Eligibility
50 Years to 85 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 1, 2026 · Synced Jul 23, 2026, 3:01 PM EDT
Completed Phase 2 Interventional

RECOVER-AUTONOMIC Platform Protocol

NCT06305780
View directory record Official record
Conditions
Long COVID, Long Covid19, Long Covid-19
Interventions
IVIG + Coordinated Care, IVIG Placebo + Coordinated Care, Ivabradine + Coordinated Care, Ivabradine Placebo + Coordinated Care, IVIG + Usual Care, IVIG Placebo + Usual Care, Ivabradine + Usual Care, Ivabradine Placebo + Usual Care
Drug
Lead sponsor
Kanecia Obie Zimmerman
Other
Eligibility
18 Years and older
Enrollment
381 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
50
States / cities
Opelika, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 45 more
Source: ClinicalTrials.gov public record
Updated Feb 19, 2026 · Synced Jul 23, 2026, 3:01 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Meditative Movement for COPD Symptoms in Non-Smoking Flight Attendants

NCT02612389
View directory record Official record
Conditions
Pulmonary Disease, Autonomic Dysfunction, COPD
Interventions
Meditative Movement taught via DVD
Other
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
Not listed
Enrollment
220 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Aug 17, 2020 · Synced Jul 23, 2026, 3:01 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Autonomic Nervous System Dysfunction and Peripheral Neuropathy in a Cohort of Asymptomatic Juvenile Diabetic Patients (Type I): A Case-Controlled Study

NCT00466778
View directory record Official record
Conditions
Peripheral Neuropathy, Autonomic Neuropathy
Interventions
Not listed
Lead sponsor
Weintraub, Michael I., MD, FACP, FAAN
Individual
Eligibility
10 Years to 18 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2007
U.S. locations
1
States / cities
Briarcliff Manor, New York
Source: ClinicalTrials.gov public record
Updated Sep 20, 2007 · Synced Jul 23, 2026, 3:01 PM EDT
Completed Early Phase 1 Interventional

Influence of Yoga in Patients With Neurocardiogenic Syncope

NCT01695525
View directory record Official record
Conditions
Syncope, Vasovagal
Interventions
Yoga
Other
Lead sponsor
Dhanunjaya Lakkireddy, MD, FACC
Other
Eligibility
18 Years to 60 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jun 29, 2015 · Synced Jul 23, 2026, 3:01 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 Jul 23, 2026, 3:01 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Autonomic Nervous System and Nitric Oxide Interactions

NCT01137253
View directory record Official record
Conditions
Endothelial Dysfunction
Interventions
Trimethaphan, Placebo
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 60 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2017
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 27, 2018 · Synced Jul 23, 2026, 3:01 PM EDT
Suspended Early Phase 1 Interventional Accepts healthy volunteers

Impact of Intranasal Insulin on Sympathetic Activity and Cerebral Vasodilation

NCT05153395
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 18, 2025 · Synced Jul 23, 2026, 3:01 PM EDT
Active, not recruiting Phase 2 Interventional

Terazosin and Parkinson's Disease Extension Study

NCT05109364
View directory record Official record
Conditions
Symptomatic Parkinson Disease, REM Sleep Behavior Disorder, Pre-motor Parkinson's Disease
Interventions
Terazosin therapy
Drug
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
50 Years to 85 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 1, 2026 · Synced Jul 23, 2026, 3:01 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Cardiovascular and Neurovascular Regulation in GWI

NCT04586049
View directory record Official record
Conditions
Brain Blood Flow, Neurovascular Control
Interventions
MRI, Transcranial Doppler Ultrasound, Sympathetic Nerve Activity
Device · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
45 Years to 68 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jun 7, 2026 · Synced Jul 23, 2026, 3:01 PM EDT
Completed No phase listed Observational

The Identification and Characterization of Autonomic Dysfunction in Migraineurs With and Without Auras

NCT01080287
View directory record Official record
Conditions
Migraine
Interventions
Not listed
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 21, 2012 · Synced Jul 23, 2026, 3:01 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

To Evaluate if Wide Blood Sugar Fluctuations Lead to Injury of Heart Function and Heart Nerves

NCT01170832
View directory record Official record
Conditions
Type 1 Diabetes Mellitus
Interventions
Not listed
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 65 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2016
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 26, 2018 · Synced Jul 23, 2026, 3:01 PM EDT
Recruiting Not applicable Interventional

VCOM Pain Free Research Collaborative

NCT06533345
View directory record Official record
Conditions
Chronic Pain
Interventions
Behavior Change Coaching, Nutrition, Autonomic Recalibration, Dry Needling, Osteopathic Manipulative Treatment, Counseling Psychology, Multiple Treatments
Behavioral · Other · Procedure
Lead sponsor
Edward Via Virginia College of Osteopathic Medicine
Other
Eligibility
21 Years to 80 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Auburn, Alabama
Source: ClinicalTrials.gov public record
Updated Feb 19, 2026 · Synced Jul 23, 2026, 3:01 PM EDT