Clinical trials
Phase 1 Breast Neoplasms trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
963 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 9 |
| 2001 | 21 |
| 2002 | 15 |
| 2003 | 16 |
| 2004 | 21 |
| 2005 | 28 |
| 2006 | 31 |
| 2007 | 35 |
| 2008 | 38 |
| 2009 | 44 |
| 2010 | 43 |
| 2011 | 39 |
| 2012 | 37 |
| 2013 | 43 |
| 2014 | 46 |
| 2015 | 32 |
| 2016 | 41 |
| 2017 | 44 |
| 2018 | 46 |
| 2019 | 44 |
| 2020 | 48 |
| 2021 | 33 |
| 2022 | 34 |
| 2023 | 32 |
| 2024 | 38 |
| 2025 | 31 |
| 2026 | 24 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 570 |
| Terminated | 149 |
| Recruiting | 97 |
| Active, not recruiting | 76 |
| Withdrawn | 29 |
| Unknown status | 29 |
| Suspended | 8 |
| Not yet recruiting | 5 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| National Cancer Institute (NCI) | 83 |
| Memorial Sloan Kettering Cancer Center | 28 |
| M.D. Anderson Cancer Center | 27 |
| Novartis Pharmaceuticals | 26 |
| Mayo Clinic | 19 |
| Pfizer | 18 |
| Dana-Farber Cancer Institute | 16 |
| Washington University School of Medicine | 16 |
| Eli Lilly and Company | 15 |
| AstraZeneca | 13 |
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 | 963 |
| Ovarian Neoplasms | 164 |
| Carcinoma, Non-Small-Cell Lung | 135 |
| Colorectal Neoplasms | 127 |
| Pancreatic Neoplasms | 122 |
| Neoplasms | 111 |
| Lung Neoplasms | 108 |
| Prostatic Neoplasms | 105 |
| Neoplasm Metastasis | 102 |
| Stomach Neoplasms | 100 |
Trials
Showing 1 to 25 of 963. Each trial links to its page on Pharma Observatory.
863 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.