Clinical trials
Withdrawn Hypertension, Pulmonary trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
47 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2005 | 2 |
| 2006 | 1 |
| 2007 | 1 |
| 2008 | 2 |
| 2009 | 4 |
| 2010 | 3 |
| 2012 | 3 |
| 2013 | 2 |
| 2014 | 2 |
| 2015 | 3 |
| 2016 | 3 |
| 2017 | 4 |
| 2018 | 1 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 2 |
| 2026 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Withdrawn | 47 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| United Therapeutics | 3 |
| Echosense Ltd. | 2 |
| Massachusetts General Hospital | 2 |
| NXT Biomedical | 2 |
| National Heart, Lung, and Blood Institute (NHLBI) | 2 |
| University of Chicago | 2 |
| Attgeno AB | 1 |
| Duke University | 1 |
| Elpen Pharmaceutical Co. Inc. | 1 |
| Erasme University Hospital | 1 |
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 | 47 |
| Heart Failure | 8 |
| Pulmonary Arterial Hypertension | 6 |
| Scleroderma, Systemic | 3 |
| Anemia, Sickle Cell | 2 |
| Familial Primary Pulmonary Hypertension | 2 |
| Heart Defects, Congenital | 2 |
| Lung Diseases, Interstitial | 2 |
| Persistent Fetal Circulation Syndrome | 2 |
| Pulmonary Disease, Chronic Obstructive | 2 |
Trials
Showing 1 to 25 of 47. 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.
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