Clinical trials
Completed Phase 2/3 trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
3,832 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 37 |
| 2001 | 47 |
| 2002 | 68 |
| 2003 | 101 |
| 2004 | 130 |
| 2005 | 151 |
| 2006 | 154 |
| 2007 | 165 |
| 2008 | 217 |
| 2009 | 214 |
| 2010 | 198 |
| 2011 | 207 |
| 2012 | 166 |
| 2013 | 172 |
| 2014 | 201 |
| 2015 | 194 |
| 2016 | 192 |
| 2017 | 188 |
| 2018 | 184 |
| 2019 | 126 |
| 2020 | 172 |
| 2021 | 150 |
| 2022 | 116 |
| 2023 | 111 |
| 2024 | 57 |
| 2025 | 18 |
| 2026 | 3 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 3,832 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Ain Shams University | 57 |
| Assiut University | 57 |
| Mayo Clinic | 36 |
| Pfizer | 27 |
| Assistance Publique - Hôpitaux de Paris | 26 |
| Government Dental College and Research Institute, Bangalore | 26 |
| Johns Hopkins University | 23 |
| Cairo University | 22 |
| Post Graduate Institute of Medical Education and Research, Chandigarh | 22 |
| VA Office of Research and Development | 22 |
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 |
|---|---|
| COVID-19 | 105 |
| Diabetes Mellitus, Type 2 | 79 |
| Obesity | 71 |
| Pain | 64 |
| Postoperative Pain | 55 |
| Diabetes Mellitus | 53 |
| HIV Infections | 47 |
| Heart Failure | 44 |
| Breast Neoplasms | 42 |
| Neoplasms | 37 |
Trials
Showing 51 to 75 of 3,832. Each trial links to its page on Pharma Observatory.
3,732 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
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.