Clinical trials
Completed trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
332,120 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 1,952 |
| 2001 | 2,456 |
| 2002 | 3,496 |
| 2003 | 4,789 |
| 2004 | 6,203 |
| 2005 | 7,454 |
| 2006 | 8,837 |
| 2007 | 9,872 |
| 2008 | 11,310 |
| 2009 | 12,281 |
| 2010 | 13,040 |
| 2011 | 13,547 |
| 2012 | 14,194 |
| 2013 | 14,651 |
| 2014 | 16,000 |
| 2015 | 16,861 |
| 2016 | 17,534 |
| 2017 | 18,072 |
| 2018 | 18,628 |
| 2019 | 18,227 |
| 2020 | 17,996 |
| 2021 | 19,895 |
| 2022 | 17,796 |
| 2023 | 15,841 |
| 2024 | 12,832 |
| 2025 | 8,377 |
| 2026 | 1,965 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 332,120 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| GlaxoSmithKline | 3,113 |
| AstraZeneca | 2,689 |
| Pfizer | 2,499 |
| National Cancer Institute (NCI) | 2,183 |
| Boehringer Ingelheim | 2,001 |
| Cairo University | 1,942 |
| Mayo Clinic | 1,935 |
| National Institute of Allergy and Infectious Diseases (NIAID) | 1,924 |
| Novartis Pharmaceuticals | 1,832 |
| Eli Lilly and Company | 1,697 |
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 |
|---|---|
| Obesity | 7,059 |
| Diabetes Mellitus, Type 2 | 6,685 |
| Breast Neoplasms | 6,549 |
| Pain | 5,824 |
| Neoplasms | 5,501 |
| Diabetes Mellitus | 5,361 |
| COVID-19 | 4,211 |
| Anxiety Disorders | 4,178 |
| Stroke | 4,029 |
| Hypertension | 3,770 |
Trials
Showing 1 to 25 of 332,120. Each trial links to its page on Pharma Observatory.
332,020 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.