Clinical trials
Completed Observational Heart Failure trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
872 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 5 |
| 2001 | 8 |
| 2002 | 8 |
| 2003 | 13 |
| 2004 | 20 |
| 2005 | 17 |
| 2006 | 22 |
| 2007 | 39 |
| 2008 | 29 |
| 2009 | 37 |
| 2010 | 40 |
| 2011 | 45 |
| 2012 | 38 |
| 2013 | 39 |
| 2014 | 53 |
| 2015 | 43 |
| 2016 | 49 |
| 2017 | 51 |
| 2018 | 46 |
| 2019 | 38 |
| 2020 | 44 |
| 2021 | 60 |
| 2022 | 43 |
| 2023 | 38 |
| 2024 | 13 |
| 2025 | 13 |
| 2026 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 872 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Abbott Medical Devices | 30 |
| Medtronic Cardiac Rhythm and Heart Failure | 22 |
| Boston Scientific Corporation | 20 |
| National Heart, Lung, and Blood Institute (NHLBI) | 19 |
| AstraZeneca | 15 |
| Biotronik SE & Co. KG | 13 |
| Mayo Clinic | 12 |
| Medtronic | 12 |
| Novartis Pharmaceuticals | 10 |
| Chang Gung Memorial Hospital | 8 |
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 |
|---|---|
| Heart Failure | 872 |
| Cardiovascular Diseases | 57 |
| Heart Diseases | 50 |
| Pulmonary Disease, Chronic Obstructive | 38 |
| Myocardial Infarction | 33 |
| Cardiomyopathies | 32 |
| Hypertension | 32 |
| Arrhythmias, Cardiac | 31 |
| Diabetes Mellitus | 31 |
| Coronary Disease | 27 |
Trials
Showing 1 to 25 of 872. Each trial links to its page on Pharma Observatory.
772 more trials match. See them 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.