Clinical trials
Phase 4 trials in Puerto Rico
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
164 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 | 12 |
| 2007 | 5 |
| 2008 | 7 |
| 2009 | 6 |
| 2010 | 11 |
| 2011 | 7 |
| 2012 | 7 |
| 2013 | 6 |
| 2014 | 6 |
| 2015 | 4 |
| 2016 | 9 |
| 2017 | 2 |
| 2018 | 7 |
| 2019 | 5 |
| 2020 | 4 |
| 2021 | 7 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 4 |
| 2026 | 3 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 133 |
| Terminated | 12 |
| Active, not recruiting | 8 |
| Recruiting | 6 |
| Unknown status | 3 |
| Withdrawn | 2 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Eli Lilly and Company | 33 |
| Hoffmann-La Roche | 12 |
| Novartis Pharmaceuticals | 8 |
| Pfizer | 7 |
| University of Puerto Rico | 7 |
| Novo Nordisk A/S | 6 |
| National Institute of Allergy and Infectious Diseases (NIAID) | 5 |
| AbbVie | 4 |
| AstraZeneca | 4 |
| Bristol-Myers Squibb | 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 | 22 |
| HIV Infections | 18 |
| Diabetes Mellitus | 12 |
| Arthritis, Rheumatoid | 8 |
| Acquired Immunodeficiency Syndrome | 6 |
| Asthma | 6 |
| Hepatitis C, Chronic | 5 |
| Hypertension | 5 |
| Renal Insufficiency, Chronic | 5 |
| Schizophrenia | 5 |
Trials
Showing 76 to 100 of 164. Each trial links to its page on Pharma Observatory.
64 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.
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