Clinical trials
Suspended Observational trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
122 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2003 | 1 |
| 2006 | 1 |
| 2007 | 3 |
| 2008 | 1 |
| 2009 | 1 |
| 2010 | 4 |
| 2011 | 2 |
| 2012 | 5 |
| 2013 | 4 |
| 2014 | 4 |
| 2015 | 4 |
| 2016 | 3 |
| 2017 | 7 |
| 2018 | 8 |
| 2019 | 13 |
| 2020 | 11 |
| 2021 | 16 |
| 2022 | 7 |
| 2023 | 8 |
| 2024 | 4 |
| 2025 | 5 |
| 2026 | 6 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Suspended | 122 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Mayo Clinic | 6 |
| M.D. Anderson Cancer Center | 5 |
| University of Pennsylvania | 4 |
| Duke University | 3 |
| Genetesis Inc. | 3 |
| Arbor Research Collaborative for Health | 2 |
| Baylor College of Medicine | 2 |
| Brigham and Women's Hospital | 2 |
| Columbia University | 2 |
| Entia Ltd | 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 |
|---|---|
| Breast Neoplasms | 10 |
| Neoplasms | 7 |
| Colorectal Neoplasms | 5 |
| COVID-19 | 4 |
| Cardiovascular Diseases | 4 |
| Parkinson Disease | 4 |
| Prostatic Neoplasms | 4 |
| Arthritis, Rheumatoid | 3 |
| Carcinoma, Non-Small-Cell Lung | 3 |
| Colitis, Ulcerative | 3 |
Trials
Showing 1 to 25 of 122. Each trial links to its page on Pharma Observatory.
22 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.
Go deeper on Pharma Observatory
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