Clinical trials
Phase 3 Breast Neoplasms trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
404 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 9 |
| 2001 | 17 |
| 2002 | 11 |
| 2003 | 14 |
| 2004 | 17 |
| 2005 | 11 |
| 2006 | 26 |
| 2007 | 18 |
| 2008 | 17 |
| 2009 | 16 |
| 2010 | 10 |
| 2011 | 12 |
| 2012 | 10 |
| 2013 | 11 |
| 2014 | 18 |
| 2015 | 6 |
| 2016 | 8 |
| 2017 | 13 |
| 2018 | 13 |
| 2019 | 13 |
| 2020 | 6 |
| 2021 | 20 |
| 2022 | 16 |
| 2023 | 18 |
| 2024 | 8 |
| 2025 | 17 |
| 2026 | 7 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 238 |
| Active, not recruiting | 65 |
| Recruiting | 42 |
| Terminated | 42 |
| Unknown status | 8 |
| Withdrawn | 4 |
| Suspended | 2 |
| Not yet recruiting | 2 |
| Enrolling by invitation | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Alliance for Clinical Trials in Oncology | 33 |
| Hoffmann-La Roche | 24 |
| AstraZeneca | 23 |
| Novartis Pharmaceuticals | 21 |
| National Cancer Institute (NCI) | 19 |
| NSABP Foundation Inc | 16 |
| Pfizer | 15 |
| Eli Lilly and Company | 13 |
| M.D. Anderson Cancer Center | 12 |
| SWOG Cancer Research Network | 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 |
|---|---|
| Breast Neoplasms | 404 |
| Neoplasm Metastasis | 38 |
| Neoplasms | 23 |
| Breast Neoplasms, Male | 14 |
| Triple Negative Breast Neoplasms | 11 |
| Breast Diseases | 10 |
| Carcinoma, Intraductal, Noninfiltrating | 10 |
| Carcinoma, Ovarian Epithelial | 10 |
| Hot Flashes | 10 |
| Lung Neoplasms | 10 |
Trials
Showing 1 to 25 of 404. Each trial links to its page on Pharma Observatory.
304 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.