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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 7, 2026 Report an issue

ClinicalTrials.gov public records Last synced Nov 7, 2026, 2:24 PM 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
7084
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 661–672 of 7,084 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, Cancer Distress
Interventions
Mighty Pro Application
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Charlotte, North Carolina
Terminated No phase listed Observational Accepts healthy volunteers Results available

COVID-19 Related Financial Hardship and Distress in Women Who Decline TMIST (EA1151) Participation

NCT05076266
Conditions
Breast Cancer, NOS
Interventions
Questionnaire
Other
Lead sponsor
Eastern Cooperative Oncology Group
Network
Eligibility
45 Years to 75 Years · Female only
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Ann Arbor, Michigan
Conditions
Breast Cancer
Interventions
Mediterranean Diet
Other
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Tampa, Florida
Conditions
Breast Cancer
Interventions
SAVI Scout MD system
Device
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Tampa, Florida
Conditions
Ductal Breast Carcinoma In Situ, Early-Stage Breast Carcinoma, Invasive Breast Carcinoma, 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
Interventions
Laboratory Biomarker Analysis, Partial Breast Irradiation, Questionnaire Administration
Other · Radiation
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
50 Years and older · Female only
Enrollment
928 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
15
States / cities
Jacksonville, Florida • Atlanta, Georgia • Indianapolis, Indiana + 11 more
Conditions
Breast Carcinoma
Interventions
Educational Intervention, Patient Navigation, Supportive Care
Other · Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
50 Years to 74 Years · Female only
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Eau Claire, Wisconsin
Conditions
Breast Cancer
Interventions
Fulvestrant
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
45 Years to 130 Years · Female only
Enrollment
736 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2026
U.S. locations
14
States / cities
Casa Grande, Arizona • Fountain Valley, California • New Britain, Connecticut + 11 more
Conditions
Bladder Carcinoma, Ureter Carcinoma, Renal Pelvis Carcinoma, Non-small Cell Lung Cancer, Invasive Breast Carcinoma, Cutaneous Melanoma, Esophageal Carcinoma, Gastroesophageal Junction Carcinoma, Gastric Adenocarcinoma, Pancreatic Adenocarcinoma, Squamous Cell Carcinoma of the Head and Neck, Epithelial Ovarian Carcinoma, Fallopian Tube Carcinoma, Endometrial Carcinoma, Renal Cell Carcinoma, Rectal Adenocarcinoma, Colon Adenocarcinoma
Interventions
Guardant Reveal
Diagnostic Test
Lead sponsor
Guardant Health, Inc.
Industry
Eligibility
18 Years and older
Enrollment
2,285 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2030
U.S. locations
33
States / cities
Birmingham, Alabama • Chandler, Arizona • Hot Springs, Arkansas + 30 more
Conditions
Breast Carcinoma
Interventions
Enhanced Consultation, Standard of Care Consultation, Conventional Imaging, Educational Intervention, Questionnaire Administration
Other · Procedure
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
21 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Houston, Texas
Conditions
Triple Negative Breast Neoplasms
Interventions
Pembrolizumab, Olaparib, Carboplatin, Gemcitabine
Biological · Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
462 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
25
States / cities
Monterey, California • San Francisco, California • Santa Monica, California + 20 more
Conditions
Estrogen Receptor-Positive, HER2-Negative Advanced Breast Cancer
Interventions
Giredestrant, Fulvestrant, Abemaciclib, Palbociclib, Ribociclib, LHRH Agonist, FoundationOne Liquid CDx Assay (F1LCDx)
Drug · Diagnostic Test
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
1,050 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
40
States / cities
Daphne, Alabama • Greenbrae, California • Harbor City, California + 34 more
Conditions
Non Small Cell Lung Cancer, Advanced Solid Tumor, Metastatic Melanoma, Metastatic Head and Neck Carcinoma, Metastatic Renal Cell Carcinoma, Metastatic Colorectal Cancer, Sarcomas, Metastatic Prostate Cancer, Ovarian Cancer, Small Cell Lung Cancer, Metastatic Breast Cancer, Pancreas Cancer, Gastric Cancer, Esophageal Cancer, Gastroesophageal Junction Adenocarcinoma, Cervical Cancer, Adenoid Cystic Carcinoma, Salivary Gland Cancer, Urothelial Carcinoma
Interventions
ONC-392, Pembrolizumab, Docetaxel
Drug
Lead sponsor
OncoC4, Inc.
Industry
Eligibility
18 Years and older
Enrollment
733 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
33
States / cities
Springdale, Arkansas • Davis, California • Downey, California + 27 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.