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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 November 3, 2026 Report an issue

ClinicalTrials.gov public records Last synced Nov 2, 2026, 9:47 PM EST

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

Official matching trials
7081
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.

Filter and sort this condition

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 505–516 of 7,081 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

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Conditions
Breast Cancer
Interventions
MyMammogram, Provider communication
Behavioral · Other
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
39 Years to 49 Years · Female only
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
3
States / cities
Keene, New Hampshire • New London, New Hampshire • Newport, New Hampshire
Conditions
Advance Solid Tumors
Interventions
KIVU-107
Drug
Lead sponsor
Kivu Bioscience Inc.
Industry
Eligibility
18 Years and older
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
2
States / cities
Santa Monica, California • New Have, Connecticut
Active, not recruiting Phase 2 Interventional Results available

Niraparib + Dostarlimab In BRCA Mutated Breast Cancer

NCT04584255
Conditions
Stage I Breast Cancer, Stage II Breast Cancer, Stage III Breast Cancer, Breast Cancer, HER2-negative Breast Cancer, Germline BRCA1 Gene Mutation, Germline BRCA2 Gene Mutation, Deleterious PALB2 Gene Mutation
Interventions
Niraparib, Dostarlimab
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2029
U.S. locations
8
States / cities
New Haven, Connecticut • Baltimore, Maryland • Boston, Massachusetts + 3 more
Conditions
Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8, Early Stage HER2-Positive Breast Carcinoma, Early Stage Triple-Negative Breast Carcinoma
Interventions
Biospecimen Collection, Hormone Therapy, Pembrolizumab, Pertuzumab, Trastuzumab
Procedure · Drug · Biological
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Houston, Texas
Conditions
Breast Cancer
Interventions
Avelumab, Endocrine therapy, Palbociclib
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
4
States / cities
Birmingham, Alabama • Washington D.C., District of Columbia • Baltimore, Maryland + 1 more
Conditions
Breast Cancer
Interventions
Predictive Model, Breast Imagers
Diagnostic Test
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 99 Years · Female only
Enrollment
264 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
1
States / cities
New York, New York
Conditions
HER2-Positive Solid Tumor
Interventions
YH32367
Drug
Lead sponsor
Yuhan Corporation
Industry
Eligibility
18 Years and older
Enrollment
147 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
2
States / cities
Boston, Massachusetts • Nashville, Tennessee
Conditions
Breast Atypical Hyperplasia, Breast Lobular Carcinoma in Situ, Breast Atypical Lobular Hyperplasia, Breast Carcinoma
Interventions
Tamoxifen, Topical 4-OHT( 4-hydroxytamoxifen)gel 4 mg/each breast/day, Placebo, Questionnaire Administration
Drug · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 80 Years · Female only
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
3
States / cities
Evanston, Illinois • Rochester, Minnesota • Camden, New Jersey
Conditions
Ductal Carcinoma in Situ, Lobular Carcinoma in Situ
Interventions
CAN1012
Drug
Lead sponsor
Providence Health & Services
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2035
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Breast Cancer, Invasive Breast Cancer
Interventions
Pre-neoadjuvant radiotherapy (NART) biopsy, Neoadjuvant radiotherapy, Unilateral total mastectomy with axillary lymph node dissection
Diagnostic Test · Radiation · Procedure
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
2022 – 2027
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Conditions
Metastatic Breast Cancer, Recurrent Breast Cancer
Interventions
Taselisib, Trastuzumab emtansine, Pertuzumab, Trastuzumab, Paclitaxel
Drug
Lead sponsor
Nancy Lin, MD
Other
Eligibility
18 Years and older
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2024
U.S. locations
3
States / cities
Boston, Massachusetts • Nashville, Tennessee
Conditions
Breast Cancer
Interventions
Paclitaxel, Trastuzumab, Pertuzumab
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2030
U.S. locations
5
States / cities
Boston, Massachusetts • Milford, Massachusetts • South Weymouth, Massachusetts

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.