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| Withdrawn | 776 |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 51 to 75 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.