Clinical trials
Recruiting Phase 1/2 trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
1,213 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2001 | 1 |
| 2007 | 1 |
| 2010 | 1 |
| 2011 | 1 |
| 2012 | 5 |
| 2013 | 2 |
| 2014 | 3 |
| 2015 | 7 |
| 2016 | 4 |
| 2017 | 19 |
| 2018 | 31 |
| 2019 | 33 |
| 2020 | 36 |
| 2021 | 84 |
| 2022 | 103 |
| 2023 | 147 |
| 2024 | 204 |
| 2025 | 266 |
| 2026 | 259 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Recruiting | 1,213 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| M.D. Anderson Cancer Center | 50 |
| National Cancer Institute (NCI) | 41 |
| AstraZeneca | 26 |
| Merck Sharp & Dohme LLC | 25 |
| Memorial Sloan Kettering Cancer Center | 16 |
| National Institute of Allergy and Infectious Diseases (NIAID) | 15 |
| Regeneron Pharmaceuticals | 14 |
| Bristol-Myers Squibb | 12 |
| Novartis Pharmaceuticals | 12 |
| Washington University School of Medicine | 12 |
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 | 95 |
| Colorectal Neoplasms | 66 |
| Neoplasms | 62 |
| Neoplasm Metastasis | 57 |
| Breast Neoplasms | 53 |
| Melanoma | 49 |
| Prostatic Neoplasms | 49 |
| Ovarian Neoplasms | 44 |
| Pancreatic Neoplasms | 42 |
| Recurrence | 42 |
Trials
Showing 1 to 25 of 1,213. Each trial links to its page on Pharma Observatory.
1,113 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.