Clinical trials
Phase 1/2 Breast Neoplasms trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
398 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 9 |
| 2001 | 7 |
| 2002 | 7 |
| 2003 | 6 |
| 2004 | 10 |
| 2005 | 10 |
| 2006 | 14 |
| 2007 | 17 |
| 2008 | 15 |
| 2009 | 23 |
| 2010 | 15 |
| 2011 | 5 |
| 2012 | 7 |
| 2013 | 6 |
| 2014 | 17 |
| 2015 | 20 |
| 2016 | 17 |
| 2017 | 24 |
| 2018 | 16 |
| 2019 | 18 |
| 2020 | 14 |
| 2021 | 16 |
| 2022 | 23 |
| 2023 | 25 |
| 2024 | 12 |
| 2025 | 14 |
| 2026 | 11 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 187 |
| Terminated | 82 |
| Recruiting | 53 |
| Active, not recruiting | 40 |
| Withdrawn | 16 |
| Unknown status | 14 |
| Not yet recruiting | 4 |
| Suspended | 2 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| National Cancer Institute (NCI) | 22 |
| Memorial Sloan Kettering Cancer Center | 12 |
| Pfizer | 11 |
| Novartis Pharmaceuticals | 10 |
| M.D. Anderson Cancer Center | 9 |
| University of Washington | 8 |
| NYU Langone Health | 7 |
| AstraZeneca | 6 |
| H. Lee Moffitt Cancer Center and Research Institute | 6 |
| Puma Biotechnology, Inc. | 5 |
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 | 398 |
| Ovarian Neoplasms | 58 |
| Carcinoma, Non-Small-Cell Lung | 42 |
| Neoplasm Metastasis | 34 |
| Triple Negative Breast Neoplasms | 34 |
| Pancreatic Neoplasms | 32 |
| Colorectal Neoplasms | 30 |
| Neoplasms | 30 |
| Breast Neoplasms, Male | 29 |
| Endometrial Neoplasms | 28 |
Trials
Showing 1 to 25 of 398. Each trial links to its page on Pharma Observatory.
298 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.