Clinical trials
Breast Neoplasms trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
5,786 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 79 |
| 2001 | 101 |
| 2002 | 104 |
| 2003 | 128 |
| 2004 | 164 |
| 2005 | 180 |
| 2006 | 229 |
| 2007 | 247 |
| 2008 | 244 |
| 2009 | 264 |
| 2010 | 234 |
| 2011 | 206 |
| 2012 | 206 |
| 2013 | 213 |
| 2014 | 231 |
| 2015 | 249 |
| 2016 | 220 |
| 2017 | 263 |
| 2018 | 216 |
| 2019 | 243 |
| 2020 | 191 |
| 2021 | 251 |
| 2022 | 236 |
| 2023 | 233 |
| 2024 | 203 |
| 2025 | 208 |
| 2026 | 179 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 3,320 |
| Terminated | 773 |
| Recruiting | 668 |
| Active, not recruiting | 513 |
| Unknown status | 225 |
| Withdrawn | 174 |
| Not yet recruiting | 64 |
| Suspended | 28 |
| Enrolling by invitation | 15 |
| Approved for marketing | 3 |
| Available | 2 |
| No longer available | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| National Cancer Institute (NCI) | 273 |
| Memorial Sloan Kettering Cancer Center | 230 |
| M.D. Anderson Cancer Center | 201 |
| Mayo Clinic | 134 |
| Dana-Farber Cancer Institute | 133 |
| Novartis Pharmaceuticals | 91 |
| Pfizer | 90 |
| City of Hope Medical Center | 77 |
| UNC Lineberger Comprehensive Cancer Center | 76 |
| Alliance for Clinical Trials in Oncology | 75 |
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 | 5,786 |
| Ovarian Neoplasms | 410 |
| Neoplasms | 388 |
| Lung Neoplasms | 363 |
| Prostatic Neoplasms | 350 |
| Colorectal Neoplasms | 344 |
| Neoplasm Metastasis | 307 |
| Triple Negative Breast Neoplasms | 286 |
| Carcinoma, Non-Small-Cell Lung | 270 |
| Pancreatic Neoplasms | 244 |
Trials
Showing 1 to 25 of 5,786. Each trial links to its page on Pharma Observatory.
5,686 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.