Phase 3 Clinical Effect Durability of TD-9855 for Treating Symptomatic nOH in Subjects With Primary Autonomic Failure
Public ClinicalTrials.gov record NCT03829657. 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, 22-week, Multi-center, Randomized Withdrawal Study of TD-9855 in Treating Symptomatic Neurogenic Orthostatic Hypotension in Subjects With Primary Autonomic Failure
Study identification
- NCT ID
- NCT03829657
- Recruitment status
- Terminated
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Theravance Biopharma
- Industry
- Enrollment
- 203 participants
Conditions and interventions
Conditions
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
- Feb 21, 2019
- Primary completion
- Nov 9, 2021
- Completion
- Nov 9, 2021
- Last update posted
- Jan 19, 2023
2019 – 2021
United States locations
- U.S. sites
- 20
- U.S. states
- 15
- U.S. cities
- 19
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Banner Sun Health Research Institute | Sun City | Arizona | 85351 | — |
| UC San Diego Movement Disorder Center | La Jolla | California | 92307 | — |
| Stanford Neuroscience Health Center | Palo Alto | California | 94304 | — |
| Colorado Springs Neurological Associates, PC | Colorado Springs | Colorado | 80907 | — |
| Parkinson's Disease and Movement Disorders Center | Boca Raton | Florida | 33486 | — |
| SFM Clinical Research, LLC | Boca Raton | Florida | 33487 | — |
| 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 Research Institute, Inc. | Kansas City | Kansas | 66160 | — |
| Mayo Clinic | Rochester | Minnesota | 55905 | — |
| New York University Langone Health | New York | New York | 10016 | — |
| Wake Forest University Baptist Health Sciences | Winston-Salem | North Carolina | 27157 | — |
| University of Cincinnati Medical Center (UCGNI) | Cincinnati | Ohio | 45219 | — |
| 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 62 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03829657, 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 Jan 19, 2023 · Synced May 20, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03829657 live on ClinicalTrials.gov.