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ClinicalTrials.gov public records Last synced May 22, 2026, 12:14 AM EDT

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

Showing 1–10 of 10 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Dopamine Beta Hydroxylase Deficiency Clear all
Completed Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Posttraumatic Stress Disorder
Interventions
Nepicastat, Placebo
Drug
Lead sponsor
Tuscaloosa Research & Education Advancement Corporation
Other
Eligibility
19 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
3
States / cities
Tuscaloosa, Alabama • San Diego, California • The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Oct 12, 2017 · Synced May 22, 2026, 12:14 AM 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 22, 2026, 12:14 AM 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 22, 2026, 12:14 AM EDT
Terminated Phase 2Phase 3 Interventional Results available
View directory record Official record
Conditions
Autonomic Nervous System Diseases, Orthostatic Hypotension, Dopamine Beta-Hydroxylase Deficiency, Orthostatic Intolerance
Interventions
Droxidopa Oral Product
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 70 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2020
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 1, 2022 · Synced May 22, 2026, 12:14 AM 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 22, 2026, 12:14 AM EDT
Terminated Phase 3 Interventional Results available
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 7, 2016 · Synced May 22, 2026, 12:14 AM EDT
Terminated Phase 1Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Parkinson Disease, Multiple System Atrophy, Autonomic Nervous System Diseases
Interventions
Droxidopa, Carbidopa, Entacapone
Drug
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 16, 2014 · Synced May 22, 2026, 12:14 AM EDT
Completed Phase 4 Interventional Results available
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 May 22, 2026, 12:14 AM EDT
Completed Phase 1 Interventional
View directory record Official record
Conditions
Autonomic Nervous System Diseases, Orthostatic Hypotension, Dopamine Beta-Hydroxylase Deficiency, Orthostatic Intolerance
Interventions
Standing or upright tilt, Microneurography, QSweat, neck cuff stimulation, phenylephrine,isoproterenol,nitroprusside,propranolol,edrophonium,atropine,tyramine, clonidine,yohimbine,metoclopramide,alpha-methyldopa, BodPod, Eye exam, Sleep study, Pain response testing, Metabolic chamber, Brain function studies, Bicycle Exercise Test
Procedure · Device · Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
12 Years to 70 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2020
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 11, 2021 · Synced May 22, 2026, 12:14 AM EDT
Approved For Marketing No phase listed Expanded access
View directory record Official record
Conditions
Dopamine Beta Hydroxylase (DBH) Deficiency
Interventions
droxidopa
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2015
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 17, 2016 · Synced May 22, 2026, 12:14 AM EDT