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ClinicalTrials.gov public records Last synced Oct 21, 2026, 11:19 AM EDT

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Showing 337–360 of 519 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Autonomic Dysfunction Clear all
Completed No phase listed Observational

Pre-Gene Therapy Study in Parkinson's Disease and Multiple System Atrophy

NCT05699460
View directory record Official record
Conditions
Parkinson's Disease, Multiple System Atrophy, Parkinson Variant, Multiple System Atrophy
Interventions
This is an observational study.
Other
Lead sponsor
AskBio Inc
Industry
Eligibility
35 Years to 75 Years
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
7
States / cities
Irvine, California • Boca Raton, Florida • Boston, Massachusetts + 4 more
Source: ClinicalTrials.gov public record
Updated Jul 27, 2026 · Synced Oct 21, 2026, 11:19 AM EDT
Completed No phase listed Observational

Speech Accessibility Project

NCT05889260
View directory record Official record
Conditions
Parkinson Disease, Progressive Supranuclear Palsy, Multiple System Atrophy, Dementia With Lewy Bodies
Interventions
Not listed
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
18 Years and older
Enrollment
485 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
2
States / cities
Denver, Colorado • Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 17, 2025 · Synced Oct 21, 2026, 11:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Nitric Oxide and the Autonomic Nervous System

NCT00178919
View directory record Official record
Conditions
Hypertension, Pure Autonomic Failure
Interventions
L-NMMA, Trimethaphan
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 85 Years
Enrollment
112 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2008
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 4, 2013 · Synced Oct 21, 2026, 11:19 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Gait Analysis in Neurological Disease

NCT02994719
View directory record Official record
Conditions
Parkinson's Disease, Parkinsonian Disorders, Atypical Parkinson Disease, Progressive Supranuclear Palsy, Multiple System Atrophy, Corticobasal Degeneration, Gait, Frontal, Huntington Disease, Ataxia, Spinocerebellar
Interventions
Anti-Parkinson medication, Deep Brain Stimulation
Drug · Device
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 85 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 8, 2026 · Synced Oct 21, 2026, 11:19 AM 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 2, 2026 · Synced Oct 21, 2026, 11:19 AM EDT
Terminated Phase 4 Interventional

A Phase IV Study in Subjects With Neurogenic Orthostatic Hypotension

NCT00046163
View directory record Official record
Conditions
Hypotension, Orthostatic
Interventions
midodrine hydrochloride (ProAmatine®)
Drug
Lead sponsor
Shire
Industry
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2003
U.S. locations
3
States / cities
St. Petersburg, Florida • Upland, Pennsylvania • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jun 29, 2021 · Synced Oct 21, 2026, 11:19 AM EDT
Enrolling by invitation No phase listed Observational

AB-1005 Long-Term Follow-up Study

NCT07081841
View directory record Official record
Conditions
Parkinson's Disease, Multiple System Atrophy, Parkinson Variant
Interventions
Observation
Other
Lead sponsor
AskBio Inc
Industry
Eligibility
Not listed
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2038
U.S. locations
2
States / cities
San Francisco, California • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 2, 2025 · Synced Oct 21, 2026, 11:19 AM EDT
Completed Phase 2 Interventional Results available

Carbidopa for the Treatment of Excessive Blood Pressure Variability

NCT02553265
View directory record Official record
Conditions
Dysautonomia, Familial, Baroreflex Failure Syndrome
Interventions
Carbidopa Low-Dose, Placebo, Carbidopa High-Dose
Drug · Other
Lead sponsor
NYU Langone Health
Other
Eligibility
10 Years to 60 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 9, 2022 · Synced Oct 21, 2026, 11:19 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

The CurePSP Genetics Program

NCT06647641
View directory record Official record
Conditions
PSP, PSP - Progressive Supranuclear Palsy, Corticobasal Syndrome, Corticobasal Syndrome(CBS), Corticobasal Degeneration Syndrome, Corticobasal Degeneration, Corticobasal Degeneration (CBD), Corticobasal Syndrome (CBS), MSA, MSA - Multiple System Atrophy, MSA-C, Multiple System Atrophy, Multiple System Atrophy (MSA) With Orthostatic Hypotension, Multiple System Atrophy - Cerebellar Subtype (MSA-C), Multiple System Atrophy - Parkinsonian Subtype (MSA-P), Multiple System Atrophy, Cerebellar Type, Multiple System Atrophy, Parkinsonian Type, Progressive Supranuclear Palsy, Progressive Supranuclear Palsy(PSP), Progressive Supranuclear Palsy (PSP)
Interventions
Whole genome sequencing will be performed at the NIH
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
35 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2030
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 14, 2026 · Synced Oct 21, 2026, 11:19 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Community Outreach for Palliative Engagement -- Parkinson Disease

NCT05222386
View directory record Official record
Conditions
Parkinson Disease Dementia, Parkinson Disease, Parkinson's Disease and Parkinsonism, Lewy Body Parkinsonism, Dementia With Lewy Bodies, Progressive Supranuclear Palsy, Corticobasal Degeneration, Multiple System Atrophy, Vascular Parkinsonism
Interventions
Parkinson Disease Standard Care, Online Community-Supported Palliative Care
Other
Lead sponsor
University of Rochester
Other
Eligibility
40 Years and older
Enrollment
632 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Mar 6, 2026 · Synced Oct 21, 2026, 11:19 AM EDT
Recruiting Not applicable Interventional

Use of Accelerometer for Quantification of Neurogenic Orthostatic Hypotension Symptoms

NCT04782830
View directory record Official record
Conditions
Orthostatic; Hypotension, Neurogenic, Autonomic Failure, Pure Autonomic Failure, Multiple System Atrophy, Orthostatic; Hypotension, Parkinsonism
Interventions
Accelerometer, placebo pill, Midodrine or atomoxetine pill
Device · Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
40 Years to 80 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 2, 2026 · Synced Oct 21, 2026, 11:19 AM EDT
Completed Phase 2 Interventional

A Biomarker Study of ATH434 in Participants With MSA

NCT05864365
View directory record Official record
Conditions
Multiple System Atrophy
Interventions
ATH434
Drug
Lead sponsor
Alterity Therapeutics
Industry
Eligibility
30 Years to 75 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 1, 2025 · Synced Oct 21, 2026, 11:19 AM EDT
Terminated Not applicable Interventional Results available

Treatment of Complex Regional Pain Syndrome With Once Daily Gastric-Retentive Gabapentin (Gralise)

NCT01623271
View directory record Official record
Conditions
Complex Regional Pain Syndrome I (CRPS I)
Interventions
Gabapentin
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 80 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 23, 2020 · Synced Oct 21, 2026, 11:19 AM EDT
Recruiting No phase listed Observational

Screening Study for KIT D816V Mutated Mast Cell Disease in Select Populations

NCT07143669
View directory record Official record
Conditions
Clonal Mast Cell Disease, KIT D816V Mutation, Suspected KITD816V Mutated Clonal Mast Cell Disease
Interventions
Screening
Other
Lead sponsor
Blueprint Medicines Corporation
Industry
Eligibility
18 Years and older
Enrollment
750 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
25
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Tucson, Arizona + 21 more
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 21, 2026, 11:19 AM EDT
Completed Not applicable Interventional Results available

HIRREM Hot Flashes Study

NCT03512002
View directory record Official record
Conditions
Vasomotor Symptoms, Hot Flashes, Menopause
Interventions
HIRREM, Continued Current Care
Device · Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
40 Years and older · Female only
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated May 23, 2023 · Synced Oct 21, 2026, 11:19 AM EDT
Completed Not applicable Interventional

Qualitative Sweat Distribution During Tilt Table Procedure

NCT02329548
View directory record Official record
Conditions
Postural Tachycardia Syndrome, Syncope, Anxiety
Interventions
Alizarin Red
Other
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
12 Years to 25 Years
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 31, 2017 · Synced Oct 21, 2026, 11:19 AM EDT
Not yet recruiting No phase listed Observational Accepts healthy volunteers

Presentation of Young Adults With and Without Joint Hypermobility

NCT07657507
View directory record Official record
Conditions
Hypermobile Ehlers-Danlos Syndrome, Postural Orthostatic Tachycardia Syndrome (POTS)
Interventions
Not listed
Lead sponsor
Clarkson University
Other
Eligibility
18 Years to 60 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2036
U.S. locations
1
States / cities
Potsdam, New York
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Oct 21, 2026, 11:19 AM EDT
Completed Phase 1 Interventional

Hemodynamic Mechanisms of Abdominal Compression in the Treatment of Orthostatic Hypotension in Autonomic Failure

NCT02429557
View directory record Official record
Conditions
Orthostatic Hypotension, Pure Autonomic Failure, Multiple System Atrophy, Autonomic Failure
Interventions
Abdominal compression, Sham abdominal compression, Placebo pill, midodrine
Other · Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2025
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Oct 21, 2026, 11:19 AM EDT
Completed Not applicable Interventional

A Shared Medical Appointment Intervention for Quality of Life Improvement in POTS

NCT05454137
View directory record Official record
Conditions
Postural Orthostatic Tachycardia Syndrome
Interventions
Shared medical appointment
Behavioral
Lead sponsor
University of Arizona
Other
Eligibility
21 Years to 79 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 5, 2025 · Synced Oct 21, 2026, 11:19 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Exploration of Pupil Dilation in Horner's Patients Taking Flomax

NCT03615508
View directory record Official record
Conditions
Horner Syndrome
Interventions
10% phenylephrine
Drug
Lead sponsor
Denver Health and Hospital Authority
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
2
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 3, 2022 · Synced Oct 21, 2026, 11:19 AM EDT
Completed Phase 1 Interventional

Temporary Celiac Ganglion Block as a Test Before Celiac Ganglion Resection for Dysautonomia-Related Bowel Dysmotility

NCT04121338
View directory record Official record
Conditions
Dysautonomia
Interventions
Celiac ganglion block, Liposomal bupivacaine
Procedure · Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
15 Years to 80 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 19, 2021 · Synced Oct 21, 2026, 11:19 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Effects of Vagal Dysfunction on Gastrointestinal and Inflammatory Pathways in HIV

NCT04353778
View directory record Official record
Conditions
HIV, Non-HIV, Vagus Nerve Dysfunction
Interventions
Pyridostigmine, Placebos, non-invasive vagal nerve stimulation
Drug · Procedure
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
215 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Oct 21, 2026, 11:19 AM EDT
Completed Not applicable Interventional

Programming Aquatic Therapy for POTS

NCT07182578
View directory record Official record
Conditions
Postural Orthostatic Tachycardia Syndrome (POTS)
Interventions
Aquatic Occupational Therapy
Other
Lead sponsor
California State University, Dominguez Hills
Other
Eligibility
18 Years to 65 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Long Beach, California
Source: ClinicalTrials.gov public record
Updated Apr 3, 2026 · Synced Oct 21, 2026, 11:19 AM EDT
Not listed Phase 2 Interventional

The Effects of Liraglutide on Sudomotor Function and Inflammation in Type 2 Diabetes

NCT03426085
View directory record Official record
Conditions
Autonomic Nervous System Diseases, Sweat Gland Diseases, Diabetic Neuropathy With Neurologic Complication
Interventions
Liraglutide 6 mg Solution for Injection, Placebo
Drug · Other
Lead sponsor
Eastern Virginia Medical School
Other
Eligibility
18 Years to 80 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 11, 2019 · Synced Oct 21, 2026, 11:19 AM EDT