Clinical trials
Completed Breast Neoplasms trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
3,320 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 65 |
| 2001 | 83 |
| 2002 | 87 |
| 2003 | 102 |
| 2004 | 128 |
| 2005 | 139 |
| 2006 | 181 |
| 2007 | 185 |
| 2008 | 178 |
| 2009 | 191 |
| 2010 | 150 |
| 2011 | 146 |
| 2012 | 153 |
| 2013 | 138 |
| 2014 | 139 |
| 2015 | 165 |
| 2016 | 136 |
| 2017 | 153 |
| 2018 | 114 |
| 2019 | 113 |
| 2020 | 75 |
| 2021 | 101 |
| 2022 | 68 |
| 2023 | 62 |
| 2024 | 34 |
| 2025 | 20 |
| 2026 | 2 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 3,320 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| National Cancer Institute (NCI) | 191 |
| Memorial Sloan Kettering Cancer Center | 134 |
| M.D. Anderson Cancer Center | 94 |
| Mayo Clinic | 80 |
| Dana-Farber Cancer Institute | 77 |
| Novartis Pharmaceuticals | 68 |
| Alliance for Clinical Trials in Oncology | 61 |
| Pfizer | 55 |
| Case Comprehensive Cancer Center | 44 |
| UNC Lineberger Comprehensive Cancer Center | 44 |
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 | 3,320 |
| Neoplasms | 229 |
| Ovarian Neoplasms | 209 |
| Prostatic Neoplasms | 201 |
| Lung Neoplasms | 195 |
| Colorectal Neoplasms | 182 |
| Breast Neoplasms, Male | 173 |
| Neoplasm Metastasis | 150 |
| Carcinoma, Non-Small-Cell Lung | 147 |
| Colonic Neoplasms | 130 |
Trials
Showing 1 to 25 of 3,320. Each trial links to its page on Pharma Observatory.
3,220 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.