Clinical trials
Completed Phase 4 trials in Puerto Rico
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
133 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2001 | 4 |
| 2002 | 3 |
| 2003 | 11 |
| 2004 | 13 |
| 2005 | 7 |
| 2006 | 11 |
| 2007 | 4 |
| 2008 | 7 |
| 2009 | 5 |
| 2010 | 11 |
| 2011 | 4 |
| 2012 | 7 |
| 2013 | 5 |
| 2014 | 5 |
| 2015 | 4 |
| 2016 | 7 |
| 2017 | 1 |
| 2018 | 5 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 5 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 133 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Eli Lilly and Company | 28 |
| Hoffmann-La Roche | 10 |
| Novartis Pharmaceuticals | 6 |
| Novo Nordisk A/S | 6 |
| Pfizer | 6 |
| National Institute of Allergy and Infectious Diseases (NIAID) | 5 |
| AbbVie | 4 |
| AstraZeneca | 4 |
| Bristol-Myers Squibb | 4 |
| GlaxoSmithKline | 4 |
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 |
|---|---|
| Diabetes Mellitus, Type 2 | 20 |
| HIV Infections | 17 |
| Diabetes Mellitus | 9 |
| Arthritis, Rheumatoid | 5 |
| Hepatitis C, Chronic | 5 |
| Renal Insufficiency, Chronic | 5 |
| Schizophrenia | 5 |
| Acquired Immunodeficiency Syndrome | 4 |
| Asthma | 4 |
| Attention Deficit Disorder with Hyperactivity | 4 |
Trials
Showing 1 to 25 of 133. Each trial links to its page on Pharma Observatory.
33 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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