Clinical Effect of Ampreloxetine (TD-9855) for Treating Symptomatic nOH in Subjects With Primary Autonomic Failure
Public ClinicalTrials.gov record NCT03750552. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Phase 3, 4-week, Multicenter, Randomized, Double-blind, Placebo-controlled, Parallel-group Study of TD-9855 in Treating Symptomatic Neurogenic Orthostatic Hypotension in Subjects With Primary Autonomic Failure
Study identification
- NCT ID
- NCT03750552
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Theravance Biopharma
- Industry
- Enrollment
- 195 participants
Conditions and interventions
Interventions
- Placebo Drug
- ampreloxetine Drug
Drug
Eligibility (public fields only)
- Age range
- 30 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jan 23, 2019
- Primary completion
- Jul 20, 2021
- Completion
- Jul 20, 2021
- Last update posted
- Sep 13, 2022
2019 – 2021
United States locations
- U.S. sites
- 23
- U.S. states
- 16
- U.S. cities
- 22
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Banner Sun Health Research Institute | Sun City | Arizona | 85351 | — |
| Collaborative Neuroscience Network, LLC | Long Beach | California | 90806 | — |
| Stanford Neuroscience Health Center | Palo Alto | California | 94304 | — |
| Colorado Springs Neurological Associates, PC | Colorado Springs | Colorado | 80907 | — |
| University of Colorado Health | Loveland | Colorado | 80538 | — |
| Georgetown University Hospital, Dept. of Neurology | Washington D.C. | District of Columbia | 20007 | — |
| Parkinson's Disease and Movement Disorders Center | Boca Raton | Florida | 33486 | — |
| SFM Clinical Research | Boca Raton | Florida | 33487 | — |
| Fixel Institute for Neurological Diseases | Gainesville | Florida | 32608 | — |
| Neurostudies, Inc | Port Charlotte | Florida | 33952 | — |
| Rush University Medical Center | Chicago | Illinois | 60612 | — |
| NorthShore University Health System | Glenview | Illinois | 60026 | — |
| University of Kansas Medical Center | Kansas City | Kansas | 66160 | — |
| Mayo Clinic - Rochester | Rochester | Minnesota | 55905 | — |
| Rutgers New Jersey Medical School | Newark | New Jersey | 07103 | — |
| New York University Langone Health | New York | New York | 10016 | — |
| University of Cincinnati Medical Center | Cincinnati | Ohio | 45219 | — |
| The Ohio State University Wexner Medical Center | Columbus | Ohio | 43210 | — |
| Oregon Health & Science University | Portland | Oregon | 97239 | — |
| Vanderbilt University Medical Center | Nashville | Tennessee | 37232 | — |
| University of Texas Southwestern Medical Center | Dallas | Texas | 75390 | — |
| Georgetown University Hospital | McLean | Virginia | 22101 | — |
| Inland Northwest Research | Spokane | Washington | 99202 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 102 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03750552, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Sep 13, 2022 · Synced May 20, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03750552 live on ClinicalTrials.gov.