- Conditions
- Metastatic Breast Cancer
- Interventions
- Abemaciclib
- Drug
- Lead sponsor
- Eli Lilly and Company
- Industry
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 132 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2018
- U.S. locations
- 27
- States / cities
- Sedona, Arizona • Tucson, Arizona • San Francisco, California + 22 more
Breast Cancer clinical trials
Directory of U.S. ClinicalTrials.gov public records for Breast Cancer. Browse Breast Cancer recruiting trials, filter by phase, sponsor, location, or intervention, and open the official ClinicalTrials.gov study record for each result.
By Clinical Trials Finder Guidance last reviewed June 10, 2026 Data synced October 20, 2026 Report an issue
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.
How Breast Cancer studies are organized in the registry
Breast cancer listings are usually subtype-specific: receptor status appears directly in titles and condition fields, so subtype terms narrow results far better than stage words alone. Many studies also restrict to either early-stage or metastatic settings, which is visible in the title or eligibility section of the official record.
These describe how studies tend to be titled and grouped on ClinicalTrials.gov — they are search vocabulary, not medical guidance.
Live official records
Open in full search- Conditions
- Breast Cancer
- Interventions
- 18F-FFNP, CTI/Siemens Biograph 40 PET/CT Scanner, Estradiol, 18F-FDG
- Drug · Device
- Lead sponsor
- Washington University School of Medicine
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 47 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2019
- U.S. locations
- 1
- States / cities
- St Louis, Missouri
- Conditions
- Estrogen Receptor Positive, HER2 Positive Breast Carcinoma, HER2/Neu Negative, Progesterone Receptor Positive, Recurrent Breast Carcinoma, Stage IIIB Breast Cancer AJCC v7, Stage IIIC Breast Cancer AJCC v7, Stage IV Breast Cancer AJCC v6 and v7
- Interventions
- Fulvestrant, Laboratory Biomarker Analysis, Lapatinib Ditosylate, Placebo Administration
- Drug · Other
- Lead sponsor
- National Cancer Institute (NCI)
- NIH
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 295 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2006 – 2014
- U.S. locations
- 368
- States / cities
- Little Rock, Arkansas • Arroyo Grande, California • Burbank, California + 259 more
- Conditions
- Post Menopausal, Hormone Receptor Positive Breast Cancer
- Interventions
- TAK700
- Drug
- Lead sponsor
- University of Wisconsin, Madison
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 8 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2016
- U.S. locations
- 1
- States / cities
- Madison, Wisconsin
- Conditions
- Breast Cancer
- Interventions
- PD 0332991, letrozole
- Drug
- Lead sponsor
- Pfizer
- Industry
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 177 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2017
- U.S. locations
- 51
- States / cities
- Alhambra, California • Bakersfield, California • Fullerton, California + 24 more
- Conditions
- Breast Cancer
- Interventions
- Anastrozole (Arimidex), Goserelin (Zoladex)
- Drug
- Lead sponsor
- Stanford University
- Other
- Eligibility
- 18 Years to 70 Years · Female only
- Enrollment
- 35 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2000 – 2013
- U.S. locations
- 1
- States / cities
- Stanford, California
- Conditions
- Hormone Receptor Positive Malignant Neoplasm of Breast
- Interventions
- Episodic future thinking, Episodic recent thinking
- Behavioral
- Lead sponsor
- Virginia Polytechnic Institute and State University
- Other
- Eligibility
- 18 Years to 80 Years · Female only
- Enrollment
- 89 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2019
- U.S. locations
- 1
- States / cities
- Roanoke, Virginia
- Conditions
- Breast Cancer
- Interventions
- DHEA, Surgical resection
- Drug · Procedure
- Lead sponsor
- Barbara Ann Karmanos Cancer Institute
- Other
- Eligibility
- 18 Years to 120 Years · Female only
- Enrollment
- 1 participant
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010
- U.S. locations
- 1
- States / cities
- Detroit, Michigan
- Conditions
- Recurrent Breast Cancer, Stage IV Breast Cancer
- Interventions
- cabergoline
- Drug
- Lead sponsor
- Northwestern University
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2017
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- Conditions
- Metastatic Breast Cancer
- Interventions
- Abemaciclib, Nonsteroidal Aromatase Inhibitor (NSAI)
- Drug
- Lead sponsor
- Eli Lilly and Company
- Industry
- Eligibility
- 18 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2023
- U.S. locations
- 70
- States / cities
- Daphne, Alabama • Tempe, Arizona • Fountain Valley, California + 60 more
- Conditions
- Metastatic Breast Cancer
- Interventions
- fulvestrant, anastrozole
- Drug
- Lead sponsor
- AstraZeneca
- Industry
- Eligibility
- 45 Years to 100 Years · Female only
- Enrollment
- 205 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2006 – 2017
- U.S. locations
- 5
- States / cities
- Frederick, Maryland • St Louis, Missouri • Teaneck, New Jersey + 2 more
- Conditions
- Breast Cancer
- Interventions
- MK-0752
- Drug
- Lead sponsor
- Loyola University
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 22 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2011
- U.S. locations
- 1
- States / cities
- Maywood, Illinois
About this Breast Cancer clinical trials directory page
- What this page lists
- U.S. ClinicalTrials.gov public records that list Breast Cancer as a study condition, including recruiting, not yet recruiting, and active not recruiting trials across phase 1, phase 2, and phase 3.
- How to narrow results
- Use the filters above to scope by intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, age, or NCT ID within Breast Cancer.
- Where the data comes from
- Records are sourced from the official ClinicalTrials.gov public API. Each result links back to the official study page, which is the source of truth for eligibility, enrollment, and contact information.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, ranking of trials by quality, or AI-generated medical summaries.
Related: all condition pages, browse by drug or therapy, browse by U.S. city, browse by sponsor, or open the full search for Breast Cancer.