Clinical trials
Active, not recruiting Observational Breast Neoplasms trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
150 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2001 | 1 |
| 2002 | 1 |
| 2004 | 1 |
| 2006 | 1 |
| 2009 | 5 |
| 2010 | 3 |
| 2011 | 2 |
| 2012 | 3 |
| 2013 | 7 |
| 2014 | 2 |
| 2015 | 1 |
| 2016 | 6 |
| 2017 | 3 |
| 2018 | 9 |
| 2019 | 15 |
| 2020 | 8 |
| 2021 | 15 |
| 2022 | 13 |
| 2023 | 18 |
| 2024 | 8 |
| 2025 | 16 |
| 2026 | 6 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Active, not recruiting | 150 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Memorial Sloan Kettering Cancer Center | 18 |
| Mayo Clinic | 7 |
| Istituti Clinici Scientifici Maugeri SpA | 5 |
| City of Hope Medical Center | 4 |
| M.D. Anderson Cancer Center | 4 |
| Abramson Cancer Center at Penn Medicine | 3 |
| Fudan University | 3 |
| Hellenic Cooperative Oncology Group | 3 |
| Pfizer | 3 |
| Wake Forest University Health Sciences | 3 |
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 | 150 |
| Neoplasms | 6 |
| Colonic Neoplasms | 5 |
| Ovarian Neoplasms | 5 |
| Prostatic Neoplasms | 5 |
| Lung Neoplasms | 4 |
| Cardiotoxicity | 3 |
| Cardiovascular Diseases | 3 |
| Colorectal Neoplasms | 3 |
| Leukemia | 3 |
Trials
Showing 1 to 25 of 150. Each trial links to its page on Pharma Observatory.
50 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.