Clinical trials
Observational Pulmonary Arterial Hypertension trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
59 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2005 | 2 |
| 2006 | 2 |
| 2007 | 1 |
| 2008 | 3 |
| 2009 | 2 |
| 2010 | 1 |
| 2011 | 5 |
| 2012 | 2 |
| 2013 | 5 |
| 2014 | 3 |
| 2015 | 4 |
| 2016 | 3 |
| 2017 | 2 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 6 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 1 |
| 2025 | 2 |
| 2026 | 2 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 35 |
| Recruiting | 7 |
| Terminated | 7 |
| Unknown status | 4 |
| Withdrawn | 2 |
| Active, not recruiting | 2 |
| Enrolling by invitation | 1 |
| Not yet recruiting | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Actelion | 6 |
| United Therapeutics | 6 |
| Mayo Clinic | 5 |
| Northwell Health | 3 |
| Vanderbilt University Medical Center | 3 |
| Bayer | 2 |
| Silverleaf Medical Sciences INC | 2 |
| University of California, Los Angeles | 2 |
| University of Florida | 2 |
| University of Kansas Medical Center | 2 |
Top conditions
MeSH conditions the trials were registered with, not their broader categories. A condition with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Pulmonary Arterial Hypertension | 59 |
| Hypertension, Pulmonary | 18 |
| Heart Failure | 5 |
| Familial Primary Pulmonary Hypertension | 4 |
| Hypertension | 4 |
| Lung Diseases, Interstitial | 3 |
| Arrhythmias, Cardiac | 2 |
| Hemophilia A | 2 |
| Hyperaldosteronism | 2 |
| Hypokalemia | 2 |
Trials
Showing 1 to 25 of 59. Each trial links to its page on Pharma Observatory.
Recently changed trials
Changes observed in the last 7 days, newest first, site-count changes left out. Source: ClinicalTrials.gov.
No changes to these trials in the last 7 days.
Go deeper on Pharma Observatory
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