Clinical trials
Completed Phase 2 trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
34,256 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 485 |
| 2001 | 591 |
| 2002 | 800 |
| 2003 | 963 |
| 2004 | 1,259 |
| 2005 | 1,512 |
| 2006 | 1,612 |
| 2007 | 1,710 |
| 2008 | 1,740 |
| 2009 | 1,796 |
| 2010 | 1,697 |
| 2011 | 1,696 |
| 2012 | 1,611 |
| 2013 | 1,506 |
| 2014 | 1,489 |
| 2015 | 1,562 |
| 2016 | 1,472 |
| 2017 | 1,496 |
| 2018 | 1,353 |
| 2019 | 1,231 |
| 2020 | 1,284 |
| 2021 | 1,234 |
| 2022 | 972 |
| 2023 | 701 |
| 2024 | 491 |
| 2025 | 231 |
| 2026 | 29 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 34,256 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| National Cancer Institute (NCI) | 937 |
| GlaxoSmithKline | 665 |
| Novartis Pharmaceuticals | 457 |
| M.D. Anderson Cancer Center | 429 |
| Pfizer | 422 |
| National Institute of Allergy and Infectious Diseases (NIAID) | 405 |
| Eli Lilly and Company | 375 |
| Memorial Sloan Kettering Cancer Center | 371 |
| AstraZeneca | 343 |
| Hoffmann-La Roche | 305 |
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 | 1,297 |
| Carcinoma, Non-Small-Cell Lung | 942 |
| Prostatic Neoplasms | 743 |
| Neoplasms | 641 |
| HIV Infections | 572 |
| Diabetes Mellitus, Type 2 | 568 |
| Multiple Myeloma | 559 |
| Lymphoma | 543 |
| Colorectal Neoplasms | 535 |
| Lung Neoplasms | 522 |
Trials
Showing 1 to 25 of 34,256. Each trial links to its page on Pharma Observatory.
34,156 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.