Clinical trials
Phase 4 Hypertension, Pulmonary trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
68 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2002 | 1 |
| 2003 | 3 |
| 2004 | 1 |
| 2005 | 1 |
| 2006 | 6 |
| 2007 | 5 |
| 2008 | 4 |
| 2009 | 6 |
| 2010 | 4 |
| 2011 | 6 |
| 2012 | 4 |
| 2013 | 1 |
| 2014 | 7 |
| 2015 | 3 |
| 2016 | 4 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 3 |
| 2021 | 1 |
| 2025 | 2 |
| 2026 | 2 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 37 |
| Terminated | 16 |
| Unknown status | 7 |
| Recruiting | 3 |
| Withdrawn | 3 |
| Not yet recruiting | 1 |
| Active, not recruiting | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| United Therapeutics | 6 |
| Actelion | 3 |
| Washington University School of Medicine | 3 |
| Bayer | 2 |
| Duke University | 2 |
| Hospital Clinic of Barcelona | 2 |
| Pfizer's Upjohn has merged with Mylan to form Viatris Inc. | 2 |
| Stanford University | 2 |
| University of California, Los Angeles | 2 |
| University of Pennsylvania | 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 |
|---|---|
| Hypertension, Pulmonary | 68 |
| Pulmonary Arterial Hypertension | 14 |
| Lung Diseases, Interstitial | 4 |
| Pulmonary Disease, Chronic Obstructive | 4 |
| Altitude Sickness | 3 |
| Aortic Valve Stenosis | 3 |
| Heart Failure | 3 |
| Connective Tissue Diseases | 2 |
| Heart Defects, Congenital | 2 |
| Heart Failure, Diastolic | 2 |
Trials
Showing 26 to 50 of 68. 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
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.