Independent directory Public ClinicalTrials.gov records United States
Condition Directory

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 15, 2026 Report an issue

ClinicalTrials.gov public records Last synced Oct 15, 2026, 7:10 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official matching trials
678
Shown on this page
12
Current sort
Recently updated
Condition scope
Breast Cancer
Additional filters apply within this condition.

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.

Terms that often appear in related listings

These describe how studies tend to be titled and grouped on ClinicalTrials.gov — they are search vocabulary, not medical guidance.

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These controls apply only within Breast Cancer. Default order is Recently updated. Add location, sponsor, treatment, or recruitment status to narrow this condition page further.

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Showing 265–276 of 678 matching trials for Breast Cancer.
Live ClinicalTrials.gov results.
Local aggregate panels are unavailable or hidden for filtered views. The result list above identifies its data source.

Live official records

Open in full search
Conditions
Breast Cancer, Stage 0 Breast Cancer, Stage I Breast Cancer, Stage II Breast Cancer, Stage III Breast Cancer, Stage 0 Breast Carcinoma, Stage II Breast Carcinoma, Stage III Breast Carcinoma, Hormone-receptor-positive Breast Cancer, Hormone Receptor Positive Breast Carcinoma, Hormone Receptor Positive Malignant Neoplasm of Breast
Interventions
Revaree Plus
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Conditions
Breast Cancer
Interventions
Letrozole, Everolimus, TRC105
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years and older · Female only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2022
U.S. locations
1
States / cities
Birmingham, Alabama
Conditions
Metastatic Breast Cancer
Interventions
Abemaciclib, Tamoxifen, Prophylactic Loperamide
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older · Female only
Enrollment
234 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
5
States / cities
Tucson, Arizona • Lebanon, New Hampshire • Nashville, Tennessee + 2 more
Conditions
Stage 0 Breast Cancer AJCC v6 and v7, Stage I Breast Cancer AJCC v7, Stage IA Breast Cancer AJCC v7, Stage IB Breast Cancer AJCC v7, Stage II Breast Cancer AJCC v6 and v7, Stage IIA Breast Cancer AJCC v6 and v7, Stage IIB Breast Cancer AJCC v6 and v7, Stage IIIA Breast Cancer AJCC v7, Stage IIIB Breast Cancer AJCC v7, Stage IIIC Breast Cancer AJCC v7, Stage III Breast Cancer AJCC v7
Interventions
Telemedicine, Best Practice, Questionnaire Administration, Quality-of-Life Assessment, Survey Administration, Behavioral Intervention, Educational Intervention
Other · Behavioral
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
305 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
5
States / cities
Washington Township, New Jersey • Philadelphia, Pennsylvania • Torresdale, Pennsylvania + 1 more
Conditions
Breast Cancer
Interventions
Abemaciclib, Anastrozole, Letrozole, Placebo
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older · Female only
Enrollment
493 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2026
U.S. locations
20
States / cities
Chandler, Arizona • Springdale, Arkansas • Bakersfield, California + 13 more
Conditions
Breast Cancer
Interventions
Intrinsic Subtyping of Primary Breast Cancer
Device
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
18 Years to 99 Years
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2030
U.S. locations
2
States / cities
Chapel Hill, North Carolina • Raleigh, North Carolina
Conditions
Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8, HER2-Negative Breast Carcinoma, Hormone Receptor-Positive Breast Carcinoma
Interventions
Acupressure Therapy, Acupuncture Therapy, Aromatase Inhibition Therapy, Discussion, Survey Administration
Procedure · Device · Drug + 1 more
Lead sponsor
Emory University
Other
Eligibility
18 Years and older · Female only
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
4
States / cities
Atlanta, Georgia
Conditions
Breast Cancer
Interventions
Pembrolizumab, Nab-Paclitaxel, Biopsy
Drug · Procedure
Lead sponsor
Adrienne G. Waks
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage IA Breast Cancer AJCC v8, Anatomic Stage IB Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage IIA Breast Cancer AJCC v8, Anatomic Stage IIB Breast Cancer AJCC v8, Anatomic Stage IIIA Breast Cancer AJCC v8, HER2 Negative Breast Adenocarcinoma, Hormone Receptor Positive Breast Adenocarcinoma, Invasive Breast Carcinoma, Multifocal Breast Carcinoma, Prognostic Stage I Breast Cancer AJCC v8, Prognostic Stage IA Breast Cancer AJCC v8, Prognostic Stage IB Breast Cancer AJCC v8, Prognostic Stage II Breast Cancer AJCC v8, Prognostic Stage IIA Breast Cancer AJCC v8, Prognostic Stage IIB Breast Cancer AJCC v8, Prognostic Stage IIIA Breast Cancer AJCC v8, Prognostic Stage IIIB Breast Cancer AJCC v8, Unilateral Breast Carcinoma
Interventions
Abemaciclib, Niraparib Tosylate Monohydrate
Drug
Lead sponsor
OHSU Knight Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Locally Advanced or Metastatic Breast Cancer
Interventions
Lasofoxifene, Fulvestrant
Drug
Lead sponsor
Sermonix Pharmaceuticals Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
42
States / cities
Phoenix, Arizona • Yuma, Arizona • Duarte, California + 36 more
Conditions
Estrogen Receptor Positive Breast Cancer, Breast Cancer
Interventions
ESTRING, Replens, Vagifem
Drug
Lead sponsor
Polly A. Niravath, MD
Other
Eligibility
18 Years and older · Female only
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2026
U.S. locations
1
States / cities
Houston, Texas
Conditions
Breast Neoplasms
Interventions
LY2835219, Letrozole, Anastrozole, Tamoxifen, Exemestane, Everolimus, Trastuzumab, LY3023414, Fulvestrant, Pertuzumab, Loperamide, Endocrine therapy
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older · Female only
Enrollment
198 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2026
U.S. locations
13
States / cities
Rogers, Arkansas • La Jolla, California • Boston, Massachusetts + 7 more

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.