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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 15, 2026 Report an issue

ClinicalTrials.gov public records Last synced Nov 15, 2026, 9:01 AM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Official matching trials
7089
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 985–996 of 7,089 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
Malignant Neoplasm, Metastatic Malignant Neoplasm in the Brain, Metastatic Malignant Neoplasm in the Leptomeninges, Breast Cancer, HER2-positive Breast Cancer
Interventions
Chimeric Antigen Receptor T-Cell Therapy
Biological
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years to 75 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
1
States / cities
Duarte, California
Conditions
Breast Cancer, Metastatic Breast Cancer, Advanced Breast Cancer, Hormone-receptor-positive Breast Cancer, Human Epidermal Growth Factor 2 Low Breast Cancer
Interventions
Sacituzumab govitecan
Drug
Lead sponsor
Reshma L. Mahtani, D.O.
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
3
States / cities
Miami, Florida • Atlanta, Georgia • Fairway, Kansas
Conditions
Lung Cancer, Cancer of the Lung
Interventions
Not listed
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
279 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Creve Coeur, Missouri
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Comprehensive Lifestyle Change To Prevent Breast Cancer

NCT03448003
Conditions
Premenopausal
Interventions
Cancer Prevention, Questionnaire Administration
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2027
U.S. locations
1
States / cities
Houston, Texas
Conditions
Breast Carcinoma
Interventions
Contrast Enhanced Digital Mammography, Digital Tomosynthesis Mammography, Iodinated Contrast Agent, Questionnaire Administration
Procedure · Drug · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
25 Years to 85 Years · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Houston, Texas
Conditions
Breast Cancer, Breast Cancer Stage IV, Metastatic Breast Cancer
Interventions
Ketogenic Diet, Low Carbohydrate Diet, Alpelisib, Fulvestrant, Canagliflozin
Dietary Supplement · Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
9
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 5 more
Conditions
Breast Carcinoma
Interventions
Biospecimen Collection, Mammography, Questionnaire Administration
Procedure · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
25 Years to 80 Years · Female only
Enrollment
10,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2027
U.S. locations
1
States / cities
Houston, Texas
Conditions
Breast Neoplasms, Breast Cancer, HER2-positive Early Breast Cancer
Interventions
Trastuzumab Deruxtecan, Paclitaxel, Trastuzumab, Pertuzumab, Doxorubicin, cyclophosphamide
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
927 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
22
States / cities
Springdale, Arkansas • Beverly Hills, California • Glendale, California + 19 more
Conditions
Breast Cancer
Interventions
Questionnaire/Interview
Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Houston, Texas
Conditions
HR+/HER2- Breast Cancer, HR+, HER2-, Advanced Breast Cancer
Interventions
AVZO-021, Fulvestrant, Letrozole, AVZO-023
Drug
Lead sponsor
Avenzo Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
380 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
16
States / cities
Los Angeles, California • New Haven, Connecticut • Orlando, Florida + 12 more
Conditions
Brain Cancer Metastatic, CMV Viremia
Interventions
Valganciclovir
Drug
Lead sponsor
The Methodist Hospital Research Institute
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Houston, Texas
Conditions
Breast Cancer, Early Breast Cancer
Interventions
Camizestrant, Tamoxifen, Anastrozole, Letrozole, Exemestane, Abemaciclib
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
5,511 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2037
U.S. locations
111
States / cities
Dothan, Alabama • Phoenix, Arizona • Tucson, Arizona + 98 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.