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ClinicalTrials.gov public records Last synced Oct 21, 2026, 3:16 AM EDT

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Showing 73–96 of 519 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Autonomic Dysfunction Clear all
Active, not recruiting No phase listed Observational

Evaluating the Prevalence of Acute Hepatic Porphyria in Postural Tachycardia Syndrome

NCT05344599
View directory record Official record
Conditions
Postural Orthostatic Tachycardia Syndrome, Acute Hepatic Porphyria
Interventions
Autonomic Function Testing, Genetic Testing, Urine Testing, Blood laboratory Testing
Diagnostic Test
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
70 participants
Timeline
2022 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 28, 2026 · Synced Oct 21, 2026, 3:16 AM EDT
Completed Phase 2 Interventional Results available

Clonidine Versus Adenosine to Treat Neuropathic Pain

NCT00349921
View directory record Official record
Conditions
Pain
Interventions
clonidine, adenosine, placebo
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
Not listed
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
2
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 10, 2018 · Synced Oct 21, 2026, 3:16 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Pediatric Hypertension and the Renin-Angiotensin SystEm (PHRASE)

NCT04752293
View directory record Official record
Conditions
Hypertension, Left Ventricular Hypertrophy, Left Ventricular Dysfunction, Left Atrial Dilatation, Left Ventricular Diastolic Dysfunction, Kidney Diseases, Kidney Injury, Kidney Dysfunction, Sodium Urine High, Blood Pressure Disorders, Uric Acid Retention, Angiotensin Hypertension, Autonomic Dysfunction, Autonomic Imbalance, Pediatric Kidney Disease, Pediatric Obesity, Proteinuria, Albuminuria
Interventions
Not listed
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
7 Years to 18 Years
Enrollment
125 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 11, 2025 · Synced Oct 21, 2026, 3:16 AM EDT
Recruiting Phase 1 Interventional

Autologous suraL nervE Grafting to the Substantia nigrA in Patients With Synuclienopathies

NCT06683365
View directory record Official record
Conditions
Multiple System Atrophy, Parkinsons Disease
Interventions
Sural Nerve Graft to the Substantia Nigra, Sham surgery
Procedure
Lead sponsor
Craig van Horne, MD, PhD
Other
Eligibility
40 Years to 75 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Oct 21, 2026, 3:16 AM EDT
Completed Phase 2 Interventional

Double Blind Placebo Controlled Study of Outpatient Intravenous Ketamine for the Treatment of CRPS

NCT00579085
View directory record Official record
Conditions
Complex Regional Pain Syndrome
Interventions
Ketamine, IV NSS, Normal Saline
Drug · Other
Lead sponsor
Drexel University College of Medicine
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 17, 2010 · Synced Oct 21, 2026, 3:16 AM EDT
Completed Not applicable Interventional Results available

Does Improving Vagal Tone Increase Mitochondrial Bioenergetics

NCT03931330
View directory record Official record
Conditions
Functional Gastrointestinal Disorders, Irritable Bowel Syndrome, Dyspepsia, Functional Abdominal Pain Syndrome
Interventions
Percutaneous neurostimulation
Device
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
12 Years to 18 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jun 21, 2021 · Synced Oct 21, 2026, 3:16 AM EDT
Completed Not applicable Interventional

Vagus Nerve Stimulation in Treatment of Postural Orthostatic Tachycardia Syndrome

NCT03930914
View directory record Official record
Conditions
Postural Orthostatic Tachycardia Syndrome
Interventions
Parasym (TM) Transcutaneous Electrical Nerve Stimulation (TENS) Device
Device
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 80 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Dec 18, 2023 · Synced Oct 21, 2026, 3:16 AM EDT
Recruiting Not applicable Interventional

The STAND-UP Study

NCT07195903
View directory record Official record
Conditions
Orthostatic Hypotension, Dysautonomic, Orthostatic Intolerance
Interventions
Angioplasty or stenting
Device
Lead sponsor
St. Francis Hospital, New York
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Roslyn, New York
Source: ClinicalTrials.gov public record
Updated Sep 29, 2025 · Synced Oct 21, 2026, 3:16 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

Hemodynamic Response of Neuropathic And Non-Neuropathic POTS Patients To Adrenoreceptor Agonist And Antagonist

NCT03070730
View directory record Official record
Conditions
Postural Orthostatic Tachycardia Syndrome, Orthostatic Intolerance
Interventions
Droxidopa, Atenolol, Placebos
Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 55 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 18, 2017 · Synced Oct 21, 2026, 3:16 AM EDT
Completed Not applicable Interventional

Aerobic Training and Arterial Stiffness in Chronic Kidney Disease (CKD) Patients

NCT01399489
View directory record Official record
Conditions
Chronic Kidney Disease, Hypertension, Diabetes
Interventions
Exercise training
Behavioral
Lead sponsor
Springfield College
Other
Eligibility
35 Years to 70 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Springfield, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 23, 2014 · Synced Oct 21, 2026, 3:16 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

A Phase Ib/II Study of BYL719 and Cetuximab in Recurrent or Metastatic Head and Neck Squamous Cell Carcinoma

NCT01602315
View directory record Official record
Conditions
Recurrent Head and Neck Squamous Cell Carcinoma, Metastatic Head and Neck Squamous Cell Carcinoma
Interventions
BYL719 as film-coated (FC) whole tablets, BYL719 as dispersible tablets (DT), cetuximab, BYL719 drink suspension
Drug · Biological
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
179 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
14
States / cities
Sacramento, California • San Francisco, California • Aurora, Colorado + 10 more
Source: ClinicalTrials.gov public record
Updated Dec 29, 2020 · Synced Oct 21, 2026, 3:16 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Splanchnic Venous Capacitance in Postural Tachycardia Syndrome

NCT05375968
View directory record Official record
Conditions
Postural Tachycardia Syndrome (POTS)
Interventions
Measurement of Splanchnic venous capacitance(SVC)done at Baseline and after 90 min of 75 g glucose in Healthy Controls POTS patients, Measurement of Splanchnic venous capacitance(SVC)done at Baseline and after 90 min of 75 g glucose in Healthy Controls, Compare change is SVC and SMA flow due to GIP antagonist GIP(3-30)NH2, Compare change is SVC and SMA flow due to saline
Diagnostic Test · Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 50 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 5, 2025 · Synced Oct 21, 2026, 3:16 AM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

fMRI in Blood Phobia Syncope

NCT00715065
View directory record Official record
Conditions
Syncope, Blood Injury Phobia, Autonomic Dysfunction
Interventions
fMRI Scan
Procedure
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 30 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 9, 2013 · Synced Oct 21, 2026, 3:16 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Mechanisms of Arterial Hypotension in Chronic Spinal Cord Injury

NCT02154412
View directory record Official record
Conditions
Spinal Cord Injury
Interventions
Respiratory Training
Other
Lead sponsor
University of Louisville
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2019
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Mar 7, 2025 · Synced Oct 21, 2026, 3:16 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Mechanisms of Hypoglycemia Associated Autonomic Dysfunction Question 2

NCT00574639
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
Alprazolam, Placebo
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 50 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2016
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 12, 2019 · Synced Oct 21, 2026, 3:16 AM EDT
Completed Phase 1 Interventional

Treatment of Orthostatic Hypotension in Autonomic Failure

NCT00223691
View directory record Official record
Conditions
Autonomic Failure, Orthostatic Hypotension
Interventions
Atomoxetine, Acarbose, Pyridostigmine Bromide, Yohimbine, Midodrine HCl, placebo, Modafinil, Octreotide, water intake, Diphenhydramine Hydrochloride, Ranitidine HCL, Tranylcypromine, Ergotamine/ Caffeine, Celecoxib, Pseudoephedrine, Methylphenidate, Indomethacin, Ibuprofen, Oxymetazoline 0.05% nasal solution, Bovril, Acetazolamide, Rivastigmine tartrate, Carbidopa/levodopa, Inflatable abdominal binder, inflatable abdominal binder (sham)
Drug · Other · Dietary Supplement + 1 more
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 85 Years
Enrollment
389 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2017
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 18, 2017 · Synced Oct 21, 2026, 3:16 AM EDT
Active, not recruiting Phase 3 Interventional

Phase 3 Efficacy and Durability of Ampreloxetine for the Treatment of Symptomatic nOH in Participants With Multiple System Atrophy

NCT05696717
View directory record Official record
Conditions
Symptomatic Neurogenic Orthostatic Hypotension, MSA - Multiple System Atrophy
Interventions
Ampreloxetine, Placebo
Drug
Lead sponsor
Theravance Biopharma
Industry
Eligibility
30 Years and older
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
26
States / cities
Scottsdale, Arizona • Fountain Valley, California • La Jolla, California + 21 more
Source: ClinicalTrials.gov public record
Updated Sep 5, 2025 · Synced Oct 21, 2026, 3:16 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Cereset Research For Chronic Nausea

NCT05229107
View directory record Official record
Conditions
Nausea, Gastroparesis, Stress, Anxiety, Hyperarousal, Quality of Life, Vomiting, Heart Rate Variability
Interventions
Cereset Research
Device
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 12, 2024 · Synced Oct 21, 2026, 3:16 AM EDT
Completed Not applicable Interventional

Effects of Spinal Cord Stimulation on Sensory Perceptions of Chronic Pain Patients

NCT02837822
View directory record Official record
Conditions
Chronic Pain, Complex Regional Pain Syndrome, Failed Back Surgery Syndrome
Interventions
Spinal cord stimulator, Implantation of a spinal cord stimulator
Device · Procedure
Lead sponsor
CHU de Quebec-Universite Laval
Other
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Toledo, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 17, 2018 · Synced Oct 21, 2026, 3:16 AM EDT
Terminated Phase 3 Interventional Results available

Efficacy and Safety of Intravenous Neridronic Acid in CRPS

NCT03530345
View directory record Official record
Conditions
Complex Regional Pain Syndrome (CRPS)
Interventions
Neridronic acid 100 mg, Placebo
Drug
Lead sponsor
Grünenthal GmbH
Industry
Eligibility
18 Years and older
Enrollment
182 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
39
States / cities
Huntsville, Alabama • Mobile, Alabama • Peoria, Arizona + 35 more
Source: ClinicalTrials.gov public record
Updated Aug 6, 2020 · Synced Oct 21, 2026, 3:16 AM EDT
Suspended Phase 2 Interventional

Ketamine HCl Prolonged Release Oral Tablets for CRPS

NCT06419985
View directory record Official record
Conditions
Complex Regional Pain Syndromes
Interventions
80mg/day Ketamine HCl Prolonged Release, 160mg/day Ketamine HCl Prolonged Release
Drug
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 64 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2029
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 27, 2026 · Synced Oct 21, 2026, 3:16 AM EDT
Completed Not applicable Interventional

A Novel Noninvasive Thermoregulatory Device for Postural Tachycardia Syndrome

NCT04943276
View directory record Official record
Conditions
Postural Tachycardia Syndrome
Interventions
Embr Device
Device
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Oct 8, 2024 · Synced Oct 21, 2026, 3:16 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Treatment for Patients With Chronic Post-Concussion Symptoms

NCT03759808
View directory record Official record
Conditions
Mild Traumatic Brain Injury, Concussion Post Syndrome
Interventions
Psychological Intervention
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
13 Years to 25 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 29, 2021 · Synced Oct 21, 2026, 3:16 AM EDT
Completed Phase 2 Interventional Results available

A Study of TAK-341 in Treatment of Multiple System Atrophy

NCT05526391
View directory record Official record
Conditions
Multiple System Atrophy
Interventions
Placebo, TAK-341
Drug
Lead sponsor
Takeda
Industry
Eligibility
40 Years and older
Enrollment
158 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
7
States / cities
Farmington Hills, Michigan • Rochester, Minnesota • New York, New York + 4 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 21, 2026, 3:16 AM EDT