Clinical trials
Completed Phase 2 trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
18,910 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 354 |
| 2001 | 414 |
| 2002 | 518 |
| 2003 | 592 |
| 2004 | 790 |
| 2005 | 872 |
| 2006 | 893 |
| 2007 | 928 |
| 2008 | 960 |
| 2009 | 1,001 |
| 2010 | 889 |
| 2011 | 868 |
| 2012 | 806 |
| 2013 | 798 |
| 2014 | 765 |
| 2015 | 794 |
| 2016 | 737 |
| 2017 | 864 |
| 2018 | 738 |
| 2019 | 642 |
| 2020 | 637 |
| 2021 | 606 |
| 2022 | 461 |
| 2023 | 317 |
| 2024 | 239 |
| 2025 | 95 |
| 2026 | 7 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 18,910 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| National Cancer Institute (NCI) | 905 |
| M.D. Anderson Cancer Center | 428 |
| Memorial Sloan Kettering Cancer Center | 370 |
| National Institute of Allergy and Infectious Diseases (NIAID) | 343 |
| Pfizer | 313 |
| GlaxoSmithKline | 285 |
| Novartis Pharmaceuticals | 282 |
| Eli Lilly and Company | 259 |
| Dana-Farber Cancer Institute | 195 |
| Mayo Clinic | 189 |
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 |
|---|---|
| Breast Neoplasms | 757 |
| Carcinoma, Non-Small-Cell Lung | 568 |
| Prostatic Neoplasms | 537 |
| Leukemia | 431 |
| Lymphoma | 430 |
| HIV Infections | 407 |
| Neoplasms | 401 |
| Multiple Myeloma | 395 |
| Lung Neoplasms | 371 |
| Leukemia, Myeloid, Acute | 358 |
Trials
Showing 1 to 25 of 18,910. Each trial links to its page on Pharma Observatory.
18,810 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.