Clinical trials
Completed Breast Neoplasms trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
6,549 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 100 |
| 2001 | 117 |
| 2002 | 137 |
| 2003 | 154 |
| 2004 | 206 |
| 2005 | 228 |
| 2006 | 292 |
| 2007 | 286 |
| 2008 | 316 |
| 2009 | 305 |
| 2010 | 285 |
| 2011 | 268 |
| 2012 | 290 |
| 2013 | 278 |
| 2014 | 278 |
| 2015 | 344 |
| 2016 | 328 |
| 2017 | 326 |
| 2018 | 273 |
| 2019 | 267 |
| 2020 | 231 |
| 2021 | 261 |
| 2022 | 238 |
| 2023 | 207 |
| 2024 | 138 |
| 2025 | 73 |
| 2026 | 14 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 6,549 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| National Cancer Institute (NCI) | 201 |
| Memorial Sloan Kettering Cancer Center | 134 |
| Hoffmann-La Roche | 131 |
| AstraZeneca | 119 |
| Novartis Pharmaceuticals | 110 |
| Pfizer | 95 |
| M.D. Anderson Cancer Center | 94 |
| Mayo Clinic | 83 |
| Dana-Farber Cancer Institute | 77 |
| Alliance for Clinical Trials in Oncology | 72 |
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 | 6,549 |
| Neoplasms | 393 |
| Ovarian Neoplasms | 287 |
| Prostatic Neoplasms | 280 |
| Lung Neoplasms | 273 |
| Colorectal Neoplasms | 246 |
| Neoplasm Metastasis | 246 |
| Breast Neoplasms, Male | 196 |
| Carcinoma, Non-Small-Cell Lung | 183 |
| Colonic Neoplasms | 173 |
Trials
Showing 76 to 100 of 6,549. Each trial links to its page on Pharma Observatory.
6,449 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.