Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 29, 2026, 4:52 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 52 matching trials from the live ClinicalTrials.gov search.
Conditions
Neurogenic Orthostatic Hypotension, Multiple System Atrophy (MSA) With Orthostatic Hypotension, Pure Autonomic Failure, Parkinson Disease, Hypotension, Orthostatic, Orthostatic Hypotension, Pure Autonomic Failure With Orthostatic Hypotension, Parkinson Disease With Orthostatic Hypotension
Interventions
TD-9855, Placebo
Drug
Lead sponsor
Theravance Biopharma
Industry
Eligibility
40 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
6
States / cities
Long Beach, California • Farmington Hills, Michigan • Berlin, New Jersey + 3 more
Conditions
Autonomic Failure, Orthostatic Hypotension
Interventions
Abdominal binder, No abdominal binder
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 80 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Rochester, Minnesota
Completed No phase listed Observational Accepts healthy volunteers

Study of Norepinephrine Levels and Sympathetic Nervous System Activity

NCT00001329
Conditions
Autonomic Nervous System Disease, Healthy, Hypertension
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1992 – 2002
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Diagnosis of Melanoma
Interventions
Autonomic Function Tests, supine and standing catecholamines
Behavioral · Other
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Nashville, Tennessee
Completed Not applicable Interventional Results available

Nebivolol in the Supine Hypertension of Autonomic Failure

NCT01044693
Conditions
Hypertension, Pure Autonomic Failure, Multiple System Atrophy
Interventions
Placebo, Nebivolol 5 mg, metoprolol tartrate 50 mg, Sildenafil25 mg
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Parkinson Disease, Autonomic Nervous System Diseases, Pure Autonomic Failure
Interventions
6-[18F]Fluorodopamine, 6-[18F]Fluorodopa, 13N-Ammonia
Drug
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 70 Years
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2023
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Parkinson Disease, Multiple System Atrophy, REM Sleep Behavior Disorder, Pure Autonomic Failure, Dementia With Lewy Bodies
Interventions
Not listed
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
166 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
New York, New York
Conditions
Neurogenic Orthostatic Hypotension
Interventions
Atomoxetine, Placebo
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
40 Years to 80 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
2
States / cities
New York, New York • Nashville, Tennessee
Conditions
Neurogenic Orthostatic Hypotension, Autonomic Failure, Pure Autonomic Failure, Multiple System Atrophy, Parkinson Disease
Interventions
Midodrine, Placebo pill, Abdominal compression, sham compression
Drug · Device
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
40 Years to 80 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Symptomatic Neurogenic Orthostatic Hypotension (NOH), Non-diabetic Neuropathy, Primary Autonomic Failure, Dopamine Beta Hydroxylase Deficiency
Interventions
Placebo, Droxidopa
Drug
Lead sponsor
Chelsea Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
263 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
14
States / cities
Huntsville, Alabama • Scottsdale, Arizona • Little Rock, Arkansas + 11 more
Conditions
Autonomic Nervous System Disorders, Pure Autonomic Failure, Shy-Drager Syndrome, Orthostatic Hypotension, Dysautonomic
Interventions
Angiotensin-(1-7), Saline
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Nashville, Tennessee
Completed Early Phase 1 Interventional Accepts healthy volunteers

Hypoglycemia Associated Autonomic Failure in Type 1 Diabetes Mellitus (DM)

NCT01672255
Conditions
Type 1 Diabetes, Hypoglycemia Associated Autonomic Failure
Interventions
Fluoxetine, Placebo control
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 45 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Symptomatic Neurogenic Orthostatic Hypotension, Parkinson's Disease, Multiple Systems Atrophy, Pure Autonomic Failure, Dopamine Beta Hydroxylase Deficiency
Interventions
Droxidopa, Placebo
Drug
Lead sponsor
Chelsea Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
3
States / cities
New York, New York • Charlotte, North Carolina • Milwaukee, Wisconsin
Conditions
Autonomic Failure, Pure Autonomic Failure, Multiple System Atrophy, Parkinson Disease, Orthostatic Hypotension
Interventions
Droxidopa, Midodrine, Placebo
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
40 Years to 80 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Parkinson's Disease, Multiple System Atrophy, Autonomic Failure
Interventions
13N-Ammonia, 18F-DOPA, 11C-Methylreboxetine (11C-MRB), 18F-Dopamine
Drug
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 120 Years
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Completed Not applicable Interventional Accepts healthy volunteers

Hypoglycemia Associated Autonomic Failure in Type 1 DM

NCT00592670
Conditions
Type 1 Diabetes
Interventions
Fluoxetine, Placebo
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 45 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Type1 Diabetes Mellitus
Interventions
Glucagon-like peptide-1, Placebos
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 50 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Hypertension, Pure Autonomic Failure, Multiple System Atrophy
Interventions
BQ123, Saline
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 85 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2021
U.S. locations
1
States / cities
Nashville, Tennessee
Terminated Early Phase 1 Interventional

Water and Sudafed in Autonomic Failure

NCT02149901
Conditions
Shy-Drager Syndrome, Multiple System Atrophy
Interventions
Pseudoephedrine + 480 ml water, Pseudoephedrine + 50 ml water, Placebo + 480 ml water (optional), Placebo + 50 ml water (optional)
Drug · Other
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 80 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Nashville, Tennessee
Recruiting Phase 1 Interventional Accepts healthy volunteers

[18F]F-DOPA Imaging in Patients With Autonomic Failure

NCT04246437
Conditions
Autonomic Failure, Pure Autonomic Failure, Parkinson Disease, Multiple System Atrophy, Dementia With Lewy Bodies
Interventions
[18F]FDOPA, Carbidopa 200mg oral dose, Entacapone 400mg oral dose
Drug
Lead sponsor
Daniel Claassen
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Hypertension, Pure Autonomic Failure, Multiple System Atrophy, Autonomic Failure
Interventions
Heating pad, Sham control
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Autoimmune Autonomic Ganglionopathy (AAG)
Interventions
Double blinded IVIg, Double blinded Placebo, Single Blinded IVIg
Drug · Other
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 85 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
6
States / cities
Bethesda, Maryland • Boston, Massachusetts • Rochester, Minnesota + 3 more
Conditions
Plasma Exchange, Autonomic Failure
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 99 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Bethesda, Maryland
Completed Phase 1 Interventional Accepts healthy volunteers

The Autonomic Nervous System and Obesity

NCT00179023
Conditions
OBESITY, HYPERTENSION, PURE AUTONOMIC FAILURE, SHY-DRAGER SYNDROME
Interventions
Trimethaphan, Pseudoephedrine
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 80 Years
Enrollment
128 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2017
U.S. locations
1
States / cities
Nashville, Tennessee