Clinical trials
Observational Disease trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
163 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2001 | 1 |
| 2003 | 5 |
| 2004 | 1 |
| 2005 | 2 |
| 2006 | 2 |
| 2007 | 2 |
| 2008 | 6 |
| 2009 | 11 |
| 2010 | 3 |
| 2011 | 7 |
| 2012 | 6 |
| 2013 | 6 |
| 2014 | 3 |
| 2015 | 4 |
| 2016 | 4 |
| 2017 | 6 |
| 2018 | 6 |
| 2019 | 8 |
| 2020 | 6 |
| 2021 | 10 |
| 2022 | 10 |
| 2023 | 13 |
| 2024 | 5 |
| 2025 | 11 |
| 2026 | 18 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 66 |
| Recruiting | 40 |
| Enrolling by invitation | 13 |
| Active, not recruiting | 11 |
| Unknown status | 11 |
| Terminated | 10 |
| Withdrawn | 8 |
| Not yet recruiting | 4 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Duke University | 5 |
| Beckman Coulter, Inc. | 4 |
| University of Minnesota | 4 |
| National Institute of Allergy and Infectious Diseases (NIAID) | 3 |
| National Institute of Neurological Disorders and Stroke (NINDS) | 3 |
| Harbinger Health | 2 |
| Johns Hopkins University | 2 |
| Mayo Clinic | 2 |
| National Cancer Institute (NCI) | 2 |
| National Eye Institute (NEI) | 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 |
|---|---|
| Disease | 163 |
| Lung Neoplasms | 10 |
| Prostatic Neoplasms | 10 |
| Neoplasms | 9 |
| Sepsis | 9 |
| Alzheimer Disease | 7 |
| Asthma | 6 |
| Colorectal Neoplasms | 6 |
| Emergencies | 6 |
| Breast Neoplasms | 5 |
Trials
Showing 1 to 25 of 163. Each trial links to its page on Pharma Observatory.
63 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.