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ClinicalTrials.gov public records Last synced May 21, 2026, 11:24 PM 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 55 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Primary Autonomic Failure Clear all
Completed No phase listed Observational
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 18, 2025 · Synced May 21, 2026, 11:24 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
POTS - Postural Orthostatic Tachycardia Syndrome
Interventions
Questionnaires to be competed, Provide list of medication and lifetime events, Use phone App to record new life events, Will wear an activity monitor, Periodic 24-hour urine sodium check, A fMRI scan, A bedside tilt test will be performed, IV placed to collect blood samples, Stool Sample
Behavioral · Device · Other + 1 more
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
12 Years to 21 Years · Female only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 25, 2025 · Synced May 21, 2026, 11:24 PM EDT
Terminated Phase 3 Interventional Results available
View directory record Official record
Conditions
Symptomatic Neurogenic Orthostatic Hypotension
Interventions
ampreloxetine
Drug
Lead sponsor
Theravance Biopharma
Industry
Eligibility
30 Years and older
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
13
States / cities
Colorado Springs, Colorado • Boca Raton, Florida • Port Charlotte, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Nov 29, 2022 · Synced May 21, 2026, 11:24 PM EDT
Completed Phase 2Phase 3 Interventional Results available
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced May 21, 2026, 11:24 PM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Supine Hypertension, Autonomic Failure
Interventions
continuous positive airway pressure (CPAP), Placebo
Device · Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 85 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 5, 2025 · Synced May 21, 2026, 11:24 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Parkinson Disease, Multiple System Atrophy, Dementia With Lewy Bodies, Pure Autonomic Failure
Interventions
Skin Biopsy
Diagnostic Test
Lead sponsor
CND Life Sciences
Other
Eligibility
40 Years to 99 Years
Enrollment
428 participants
Timeline
2021 – 2023
U.S. locations
23
States / cities
Chandler, Arizona • Phoenix, Arizona • Scottsdale, Arizona + 19 more
Source: ClinicalTrials.gov public record
Updated Jan 2, 2024 · Synced May 21, 2026, 11:24 PM EDT
Completed Phase 1 Interventional
View directory record Official record
Conditions
Hypertension
Interventions
Clonidine, Nitroglycerin transdermal, Dipyridamole/ Aspirin (Aggrenox), Desmopressin (DDAVP), Sildenafil, Nifedipine, Hydralazine, Hydrochlorothiazide, Placebo, Bosentan, Diltiazem, Eplerenone, guanfacine, L-arginine, captopril, carbidopa, losartan, metoprolol tartrate, nebivolol hydrochloride, prazosin hydrochloride, tamsulosin hydrochloride, Head-up tilt., aliskiren, Local heat stress
Drug · Dietary Supplement · Other
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 80 Years
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2017
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 12, 2017 · Synced May 21, 2026, 11:24 PM EDT
Completed No phase listed Observational
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced May 21, 2026, 11:24 PM EDT
Terminated Phase 3 Interventional Results available
View directory record Official record
Conditions
Symptomatic Neurogenic Orthostatic Hypotension, MSA, Parkinson's Disease (PD), Pure Autonomic Failure (PAF)
Interventions
ampreloxetine, Placebo
Drug
Lead sponsor
Theravance Biopharma
Industry
Eligibility
30 Years and older
Enrollment
203 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
20
States / cities
Sun City, Arizona • La Jolla, California • Palo Alto, California + 16 more
Source: ClinicalTrials.gov public record
Updated Jan 19, 2023 · Synced May 21, 2026, 11:24 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Orthostatic Hypotension, Pure Autonomic Failure, Multiple System Atrophy, Parkinson's Disease
Interventions
Not listed
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
4
States / cities
Boston, Massachusetts • Rochester, Minnesota • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 5, 2017 · Synced May 21, 2026, 11:24 PM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Supine Hypertension, Autonomic Failure
Interventions
Tilt, Elevated trunk, Tilt - In home, Elevated Trunk - In home
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 85 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 5, 2025 · Synced May 21, 2026, 11:24 PM EDT
Terminated No phase listed Observational
View directory record Official record
Conditions
Autonomic Nervous System Diseases
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years and older
Enrollment
325 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 11, 2019 · Synced May 21, 2026, 11:24 PM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
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
181 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
44
States / cities
Birmingham, Alabama • Litchfield Park, Arizona • Phoenix, Arizona + 39 more
Source: ClinicalTrials.gov public record
Updated May 19, 2014 · Synced May 21, 2026, 11:24 PM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Amyotrophic Lateral Sclerosis (ALS), Angina, Stable, Anxiety, Asthma, Atrial Fibrillation, Cancer Brain, Cancer, Breast, Cancer Colon, Cancer, Lung, Cancer, Ovarian, Cancer Prostate, Cancer Skin, Throat Cancer, Lymphoma, Cancer, Thyroid, Cancer, Other, Cerebral Palsy, Chronic Fatigue Syndrome, Cluster Headache, Chronic Obstructive Pulmonary Disease (COPD), Chronic Kidney Diseases, Crohn Disease, Deafness, Depression, Diabetes, Eczema, Epilepsy, Fibroids, Fibromyalgia, Heart Failure, Hypertension, Hyperthyroidism, Hypothyroidism, Irritable Bowel Syndrome (IBS), Infertility, Lyme Disease, Macular Degeneration, Migraine, Multiple Allergies, Multiple Sclerosis, Osteoarthritis, Osteoporosis, Ovarian Cysts, Parkinson Disease, Phantom Limb Pain, Psoriasis, Post Traumatic Stress Disorder (PTSD), Rheumatoid Arthritis, Sjogrens Disease, Spinal Cord Injury, Spinal Stenosis, Stroke, Tension Headache, Tinnitus, Ulcerative Colitis
Interventions
Advanced multi-component meditation practice
Behavioral
Lead sponsor
Tobias Moeller-Bertram
Industry
Eligibility
21 Years and older
Enrollment
3,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Palm Desert, California
Source: ClinicalTrials.gov public record
Updated Oct 31, 2024 · Synced May 21, 2026, 11:24 PM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Neurogenic Orthostatic Hypotension, Non-Diabetic Autonomic Neuropathy, Multiple System Atrophy, Dopamine Beta Hydroxylase Deficiency
Interventions
Droxidopa, Placebo
Drug
Lead sponsor
Chelsea Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
44
States / cities
Birmingham, Alabama • Litchfield Park, Arizona • Phoenix, Arizona + 39 more
Source: ClinicalTrials.gov public record
Updated May 15, 2014 · Synced May 21, 2026, 11:24 PM EDT
Withdrawn Phase 1 Interventional
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 4, 2021 · Synced May 21, 2026, 11:24 PM EDT
Completed Phase 1 Interventional
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 4, 2026 · Synced May 21, 2026, 11:24 PM EDT
Recruiting Not applicable Interventional
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 15, 2026 · Synced May 21, 2026, 11:24 PM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Symptomatic Neurogenic Orthostatic Hypotension
Interventions
ampreloxetine, Placebo
Drug
Lead sponsor
Theravance Biopharma
Industry
Eligibility
30 Years and older
Enrollment
195 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
23
States / cities
Sun City, Arizona • Long Beach, California • Palo Alto, California + 19 more
Source: ClinicalTrials.gov public record
Updated Sep 13, 2022 · Synced May 21, 2026, 11:24 PM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 1, 2020 · Synced May 21, 2026, 11:24 PM EDT
Recruiting Not applicable Interventional
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 Jun 25, 2025 · Synced May 21, 2026, 11:24 PM EDT
Terminated Phase 1 Interventional
View directory record Official record
Conditions
Hypertension, Pure Autonomic Failure, Multiple System Atrophy
Interventions
Losartan, Captopril, Placebo
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 85 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 23, 2018 · Synced May 21, 2026, 11:24 PM EDT
Recruiting No phase listed Observational
View directory record Official record
Conditions
Patients With Synucleinopathies, Neurogenic Orthostatic Hypotension, Pure Autonomic Failure, REM Sleep Behavior Disorder, Parkinson Disease, Dementia With Lewy Bodies, Multiple System Atrophy, Shy-Drager Disease
Interventions
Not listed
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2026
U.S. locations
5
States / cities
Boston, Massachusetts • Ann Arbor, Michigan • Rochester, Minnesota + 2 more
Source: ClinicalTrials.gov public record
Updated Jun 10, 2025 · Synced May 21, 2026, 11:24 PM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 15, 2014 · Synced May 21, 2026, 11:24 PM EDT