Clinical trials
Completed trials in Puerto Rico
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
1,994 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 38 |
| 2001 | 30 |
| 2002 | 42 |
| 2003 | 53 |
| 2004 | 67 |
| 2005 | 67 |
| 2006 | 92 |
| 2007 | 99 |
| 2008 | 111 |
| 2009 | 88 |
| 2010 | 107 |
| 2011 | 115 |
| 2012 | 97 |
| 2013 | 58 |
| 2014 | 78 |
| 2015 | 73 |
| 2016 | 71 |
| 2017 | 75 |
| 2018 | 70 |
| 2019 | 77 |
| 2020 | 63 |
| 2021 | 83 |
| 2022 | 49 |
| 2023 | 51 |
| 2024 | 24 |
| 2025 | 7 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 1,994 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Eli Lilly and Company | 204 |
| National Institute of Allergy and Infectious Diseases (NIAID) | 177 |
| Children's Oncology Group | 98 |
| Bristol-Myers Squibb | 86 |
| Gilead Sciences | 82 |
| Hoffmann-La Roche | 71 |
| AbbVie | 65 |
| Novo Nordisk A/S | 63 |
| Novartis Pharmaceuticals | 51 |
| GlaxoSmithKline | 50 |
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 |
|---|---|
| HIV Infections | 299 |
| Diabetes Mellitus, Type 2 | 197 |
| Hepatitis C | 115 |
| Acquired Immunodeficiency Syndrome | 110 |
| Diabetes Mellitus | 78 |
| Hepatitis C, Chronic | 66 |
| Arthritis, Rheumatoid | 54 |
| AIDS-Related Complex | 47 |
| Breast Neoplasms | 38 |
| Renal Insufficiency, Chronic | 37 |
Trials
Showing 51 to 75 of 1,994. Each trial links to its page on Pharma Observatory.
1,894 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.