Clinical trials
Terminated trials in Puerto Rico
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
283 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 2 |
| 2001 | 1 |
| 2002 | 3 |
| 2003 | 3 |
| 2004 | 1 |
| 2005 | 6 |
| 2006 | 12 |
| 2007 | 16 |
| 2008 | 11 |
| 2009 | 11 |
| 2010 | 15 |
| 2011 | 18 |
| 2012 | 14 |
| 2013 | 12 |
| 2014 | 9 |
| 2015 | 5 |
| 2016 | 10 |
| 2017 | 17 |
| 2018 | 12 |
| 2019 | 14 |
| 2020 | 25 |
| 2021 | 22 |
| 2022 | 20 |
| 2023 | 10 |
| 2024 | 9 |
| 2025 | 2 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Terminated | 283 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Eli Lilly and Company | 23 |
| Novartis Pharmaceuticals | 19 |
| Pfizer | 19 |
| Bristol-Myers Squibb | 11 |
| Sanofi | 10 |
| AbbVie | 9 |
| AstraZeneca | 9 |
| Gilead Sciences | 9 |
| Hoffmann-La Roche | 7 |
| Amgen | 5 |
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 |
|---|---|
| Non-alcoholic Fatty Liver Disease | 17 |
| Alzheimer Disease | 13 |
| HIV Infections | 12 |
| Diabetes Mellitus, Type 2 | 11 |
| Carcinoma, Non-Small-Cell Lung | 10 |
| Neoplasms | 10 |
| Colorectal Neoplasms | 9 |
| Diabetes Mellitus | 9 |
| Renal Insufficiency, Chronic | 9 |
| COVID-19 | 8 |
Trials
Showing 26 to 50 of 283. Each trial links to its page on Pharma Observatory.
183 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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