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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: PURE AUTONOMIC FAILURE Clear all
Recruiting Not applicable Interventional

Treatment of Supine Hypertension in Autonomic Failure (CPAP)

NCT03312556
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 Jun 10, 2026, 8:09 AM EDT
Terminated Early Phase 1 Interventional

Water and Sudafed in Autonomic Failure

NCT02149901
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 4, 2021 · Synced Jun 10, 2026, 8:09 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Novel Approach for the Prevention of Hypoglycemia Associated Autonomic Failure (HAAF)

NCT03608163
View directory record Official record
Conditions
Diabetes Mellitus, Type 1, Hypoglycemia, Hypoglycemia Unawareness
Interventions
Naloxone, Diazoxide, Placebo (for Naloxone), Placebo (for Diazoxide)
Drug
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
21 Years to 55 Years
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Sep 10, 2025 · Synced Jun 10, 2026, 8:09 AM EDT
Recruiting Not applicable Interventional

CPAP for the Treatment of Supine Hypertension

NCT05489575
View directory record Official record
Conditions
Autonomic Failure, Pure Autonomic Failure, Multiple System Atrophy, Parkinson Disease, Supine Hypertension, Neurogenic Orthostatic Hypotension
Interventions
Active CPAP, Sham CPAP, Sleeping in a head-up tilt (HUT) position
Device · Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
40 Years to 80 Years
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Jun 10, 2026, 8:09 AM EDT
Completed Early Phase 1 Interventional

Effect of Midodrine vs Abdominal Compression on Cardiovascular Risk Markers in Autonomic Failure Patients

NCT04620382
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Jun 10, 2026, 8:09 AM EDT
Terminated Phase 3 Interventional Results available

Phase 3 Clinical Effect Durability of TD-9855 for Treating Symptomatic nOH in Subjects With Primary Autonomic Failure

NCT03829657
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 Jun 10, 2026, 8:09 AM EDT
Completed Phase 1Phase 2 Interventional

Automated Abdominal Binder for Orthostatic Hypotension

NCT03482297
View directory record Official record
Conditions
Orthostatic Hypotension, Autonomic Failure, Pure Autonomic Failure, Multiple System Atrophy
Interventions
automated abdominal binder, Sham binder, Placebo, Midodrine
Device · Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
40 Years to 80 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Jun 10, 2026, 8:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Hypoglycemia Associated Autonomic Failure in Type 1 DM, Q2

NCT00592332
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
Alprazolam, control group
Drug · Other
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 45 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2009
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 10, 2014 · Synced Jun 10, 2026, 8:09 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Retinal Abnormalities as Biomarker of Disease Progression and Early Diagnosis of Parkinson Disease

NCT02640339
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 Jun 10, 2026, 8:09 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

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

NCT04246437
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 15, 2026 · Synced Jun 10, 2026, 8:09 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Study of Norepinephrine Levels and Sympathetic Nervous System Activity

NCT00001329
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Jun 10, 2026, 8:09 AM EDT
Recruiting Phase 1 Interventional

Effects of Midodrine and Droxidopa on Splanchnic Capacitance in Autonomic Failure

NCT02897063
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 13, 2025 · Synced Jun 10, 2026, 8:09 AM EDT
Completed Phase 3 Interventional Results available

Clinical Effect of Ampreloxetine (TD-9855) for Treating Symptomatic nOH in Subjects With Primary Autonomic Failure

NCT03750552
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 Jun 10, 2026, 8:09 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Autonomic Nervous System and Obesity

NCT00179023
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 28, 2018 · Synced Jun 10, 2026, 8:09 AM EDT
Completed Not applicable Interventional Results available

Local Heat Stress in Autonomic Failure Patients With Supine Hypertension

NCT02417415
View directory record Official record
Conditions
Hypertension, Pure Autonomic Failure, Multiple System Atrophy, Autonomic Failure
Interventions
Passive heat stress, Control (non-heating)
Other
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 80 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 9, 2022 · Synced Jun 10, 2026, 8:09 AM EDT
Withdrawn No phase listed Observational

Autonomic Phenotype Before and After Akt Inhibition

NCT01593579
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 22, 2014 · Synced Jun 10, 2026, 8:09 AM EDT
Completed Phase 3 Interventional Results available

Open-Label Clinical Study of Droxidopa in Patients With Neurogenic Orthostatic Hypotension (NOH)

NCT00738062
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 Jun 10, 2026, 8:09 AM EDT
Completed Phase 1 Interventional

Treatment of Supine Hypertension in Autonomic Failure

NCT00223717
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 Jun 10, 2026, 8:09 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

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

NCT01672255
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 5, 2025 · Synced Jun 10, 2026, 8:09 AM EDT
Terminated Early Phase 1 Interventional

Blood Pressure Lowering Effects of Angiotensin-(1-7) in Primary Autonomic Failure

NCT02591173
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 11, 2021 · Synced Jun 10, 2026, 8:09 AM EDT
Terminated Phase 1 Interventional

Contribution of Angiotensin II to Supine Hypertension in Autonomic Failure

NCT01292694
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 Jun 10, 2026, 8:09 AM EDT
Completed Phase 4 Interventional Results available

Sustained Effect of Droxidopa in Symptomatic Neurogenic Orthostatic Hypotension

NCT02586623
View directory record Official record
Conditions
Symptomatic Neurogenic Orthostatic Hypotension
Interventions
Droxidopa capsules, Placebo capsules
Drug
Lead sponsor
H. Lundbeck A/S
Industry
Eligibility
18 Years and older
Enrollment
453 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
168
States / cities
Chandler, Arizona • Phoenix, Arizona • Scottsdale, Arizona + 103 more
Source: ClinicalTrials.gov public record
Updated Aug 22, 2023 · Synced Jun 10, 2026, 8:09 AM EDT
Completed Not applicable Interventional

Abdominal Compression in Orthostatic Hypotension

NCT01223391
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 11, 2014 · Synced Jun 10, 2026, 8:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Hypoglycemia Associated Autonomic Failure in Type 1 DM

NCT00592670
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 10, 2014 · Synced Jun 10, 2026, 8:09 AM EDT