Clinical trials
Completed Phase 1 trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
35,480 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 226 |
| 2001 | 277 |
| 2002 | 381 |
| 2003 | 491 |
| 2004 | 715 |
| 2005 | 872 |
| 2006 | 1,085 |
| 2007 | 1,307 |
| 2008 | 1,542 |
| 2009 | 1,751 |
| 2010 | 1,809 |
| 2011 | 1,816 |
| 2012 | 1,683 |
| 2013 | 1,730 |
| 2014 | 1,914 |
| 2015 | 1,729 |
| 2016 | 1,678 |
| 2017 | 1,676 |
| 2018 | 1,694 |
| 2019 | 1,687 |
| 2020 | 1,609 |
| 2021 | 1,731 |
| 2022 | 1,546 |
| 2023 | 1,345 |
| 2024 | 1,122 |
| 2025 | 740 |
| 2026 | 184 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 35,480 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Boehringer Ingelheim | 942 |
| Pfizer | 929 |
| GlaxoSmithKline | 888 |
| AstraZeneca | 812 |
| National Institute of Allergy and Infectious Diseases (NIAID) | 702 |
| Eli Lilly and Company | 667 |
| National Cancer Institute (NCI) | 615 |
| Merck Sharp & Dohme LLC | 530 |
| Novo Nordisk A/S | 411 |
| Bristol-Myers Squibb | 406 |
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 |
|---|---|
| Neoplasms | 1,384 |
| Diabetes Mellitus, Type 2 | 860 |
| Breast Neoplasms | 796 |
| HIV Infections | 745 |
| Carcinoma, Non-Small-Cell Lung | 570 |
| Diabetes Mellitus | 515 |
| Neoplasm Metastasis | 455 |
| Leukemia, Myeloid, Acute | 452 |
| Lymphoma | 448 |
| Obesity | 441 |
Trials
Showing 1 to 25 of 35,480. Each trial links to its page on Pharma Observatory.
35,380 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.