Clinical trials
Phase 1/2 trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
17,144 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 110 |
| 2001 | 135 |
| 2002 | 166 |
| 2003 | 226 |
| 2004 | 264 |
| 2005 | 343 |
| 2006 | 424 |
| 2007 | 431 |
| 2008 | 523 |
| 2009 | 595 |
| 2010 | 581 |
| 2011 | 570 |
| 2012 | 592 |
| 2013 | 603 |
| 2014 | 670 |
| 2015 | 721 |
| 2016 | 705 |
| 2017 | 748 |
| 2018 | 740 |
| 2019 | 826 |
| 2020 | 864 |
| 2021 | 963 |
| 2022 | 939 |
| 2023 | 957 |
| 2024 | 984 |
| 2025 | 1,038 |
| 2026 | 1,049 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 7,509 |
| Recruiting | 2,505 |
| Unknown status | 2,369 |
| Terminated | 1,976 |
| Active, not recruiting | 1,026 |
| Not yet recruiting | 786 |
| Withdrawn | 776 |
| Suspended | 108 |
| Enrolling by invitation | 89 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| National Cancer Institute (NCI) | 316 |
| M.D. Anderson Cancer Center | 284 |
| National Institute of Allergy and Infectious Diseases (NIAID) | 151 |
| Memorial Sloan Kettering Cancer Center | 116 |
| Novartis Pharmaceuticals | 111 |
| Bristol-Myers Squibb | 104 |
| Mayo Clinic | 103 |
| Fred Hutchinson Cancer Center | 77 |
| Washington University School of Medicine | 77 |
| Massachusetts General Hospital | 71 |
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 |
|---|---|
| Carcinoma, Non-Small-Cell Lung | 718 |
| Breast Neoplasms | 644 |
| Neoplasms | 591 |
| Leukemia, Myeloid, Acute | 491 |
| Colorectal Neoplasms | 474 |
| Multiple Myeloma | 448 |
| Melanoma | 433 |
| Recurrence | 399 |
| Prostatic Neoplasms | 389 |
| Neoplasm Metastasis | 387 |
Trials
Showing 1 to 25 of 17,144. Each trial links to its page on Pharma Observatory.
17,044 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.