Clinical trials
Phase 2 Breast Neoplasms trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
1,397 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 33 |
| 2001 | 27 |
| 2002 | 46 |
| 2003 | 45 |
| 2004 | 64 |
| 2005 | 58 |
| 2006 | 59 |
| 2007 | 81 |
| 2008 | 69 |
| 2009 | 68 |
| 2010 | 55 |
| 2011 | 53 |
| 2012 | 50 |
| 2013 | 52 |
| 2014 | 46 |
| 2015 | 60 |
| 2016 | 46 |
| 2017 | 52 |
| 2018 | 30 |
| 2019 | 40 |
| 2020 | 45 |
| 2021 | 48 |
| 2022 | 32 |
| 2023 | 42 |
| 2024 | 35 |
| 2025 | 38 |
| 2026 | 33 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 757 |
| Terminated | 276 |
| Recruiting | 139 |
| Active, not recruiting | 127 |
| Unknown status | 51 |
| Withdrawn | 35 |
| Not yet recruiting | 11 |
| Suspended | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| National Cancer Institute (NCI) | 90 |
| Dana-Farber Cancer Institute | 53 |
| Memorial Sloan Kettering Cancer Center | 48 |
| M.D. Anderson Cancer Center | 47 |
| Alliance for Clinical Trials in Oncology | 27 |
| Pfizer | 26 |
| Washington University School of Medicine | 25 |
| City of Hope Medical Center | 22 |
| Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins | 22 |
| Eli Lilly and Company | 21 |
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 | 1,397 |
| Triple Negative Breast Neoplasms | 109 |
| Breast Neoplasms, Male | 85 |
| Neoplasm Metastasis | 79 |
| Neoplasms | 53 |
| Ovarian Neoplasms | 50 |
| Lung Neoplasms | 46 |
| Carcinoma, Intraductal, Noninfiltrating | 41 |
| Carcinoma, Non-Small-Cell Lung | 37 |
| Colorectal Neoplasms | 35 |
Trials
Showing 1 to 25 of 1,397. Each trial links to its page on Pharma Observatory.
1,297 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.