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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.

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ClinicalTrials.gov public records Last synced Oct 31, 2026, 2:10 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
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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
triple-negative HER2-positive hormone receptor-positive metastatic breast cancer

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

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Showing 373–384 of 7,078 matching trials for Breast Cancer.
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Live official records

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Recruiting Not applicable Interventional

Personalized Exercise Program for Survivors of Breast Cancer, STEPS-BC Trial

NCT07474090
View directory record Official record
Conditions
Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8, Breast Carcinoma, Breast Inflammatory Carcinoma, Locally Recurrent Breast Carcinoma
Interventions
Exercise Intervention, Educational Intervention, Supportive Care, Biospecimen Collection, Magnetic Resonance Imaging, Questionnaire Administration, Accelerometry, Electronic Health Record Review, Cardiopulmonary Exercise Testing
Other · Procedure
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 85 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
4
States / cities
Winston-Salem, North Carolina • Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 31, 2026, 2:10 PM EDT
Recruiting Phase 1 Interventional

Serial Imaging of the Novel Radiotracer [^18F] FLuorthanatrace ([^18F] FTT) by PET/CTF

NCT03604315
View directory record Official record
Conditions
Breast Carcinoma, Fallopian Tube Carcinoma, Ovarian Carcinoma, Primary Peritoneal Carcinoma, Recurrent Fallopian Tube Carcinoma, Recurrent Ovarian Carcinoma, Recurrent Primary Peritoneal Carcinoma, Solid Neoplasm
Interventions
Computed Tomography, Fludeoxyglucose F-18, Fluorine F 18 Fluorthanatrace, Positron Emission Tomography
Procedure · Radiation
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 31, 2026, 2:10 PM EDT
Recruiting Not applicable Interventional

Comparative Performance of Molecular Breast Imaging (MBI) to Magnetic Resonance Imaging (MRI) of the Breast in Identifying and Excluding Breast Carcinoma in Women at High Risk for Breast Cancer

NCT05042687
View directory record Official record
Conditions
Breast Cancer
Interventions
Tc99m sestamibi
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 31, 2026, 2:10 PM EDT
Recruiting Phase 3 Interventional

A Study Evaluating the Efficacy and Safety of Inavolisib Plus CDK4/6 Inhibitor and Letrozole vs Placebo + CDK4/6i and Letrozole in Participants With Endocrine-Sensitive PIK3CA-Mutated, Hormone Receptor-Positive, HER2-Negative Advanced Breast Cancer

NCT06790693
View directory record Official record
Conditions
Breast Cancer
Interventions
Inavolisib, Placebo, CDK4/6i, Letrozole
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2032
U.S. locations
62
States / cities
Goodyear, Arizona • Phoenix, Arizona • Burbank, California + 50 more
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 31, 2026, 2:10 PM EDT
Terminated Phase 2 Interventional

A Phase 2 Study of PCS6422 With Capecitabine in Patients With Advanced or Metastatic Breast Cancer

NCT06568692
View directory record Official record
Conditions
Breast Cancer, TNBC - Triple-Negative Breast Cancer, HER2-negative Breast Cancer
Interventions
PCS6422 and capecitabine, Capecitabine
Drug
Lead sponsor
Processa Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
12
States / cities
Los Angeles, California • Oxnard, California • Miami, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 31, 2026, 2:10 PM EDT
Recruiting Phase 3 Interventional

The CDK4/6 Inhibitor Dosing Knowledge (CDK) Study

NCT06377852
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Palbociclib 125mg, Ribociclib 600mg, Ribociclib, Palbociclib
Drug
Lead sponsor
American Society of Clinical Oncology
Other
Eligibility
60 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
88
States / cities
Chandler, Arizona • Gilbert, Arizona • Glendale, Arizona + 76 more
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 31, 2026, 2:10 PM EDT
Active, not recruiting No phase listed Observational

Social Health, Activity Behaviors, and Quality of Life Among Young Adult Cancer Survivors

NCT07259304
View directory record Official record
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 III Breast Cancer AJCC v8, Anatomic Stage IIIA Breast Cancer AJCC v8, Anatomic Stage IIIB Breast Cancer AJCC v8, Anatomic Stage IIIC Breast Cancer AJCC v8, Central Nervous System Neoplasm, Clinical Stage I Cutaneous Melanoma AJCC v8, Clinical Stage IA Cutaneous Melanoma AJCC v8, Clinical Stage IB Cutaneous Melanoma AJCC v8, Clinical Stage II Cutaneous Melanoma AJCC v8, Clinical Stage IIA Cutaneous Melanoma AJCC v8, Clinical Stage IIB Cutaneous Melanoma AJCC v8, Clinical Stage IIC Cutaneous Melanoma AJCC v8, Clinical Stage III Cutaneous Melanoma AJCC v8, Hodgkin Lymphoma, Malignant Bone Neoplasm, Malignant Brain Neoplasm, Malignant Solid Neoplasm, Malignant Testicular Neoplasm, Non-Hodgkin Lymphoma, Pathologic Stage I Cutaneous Melanoma AJCC v8, Pathologic Stage IA Cutaneous Melanoma AJCC v8, Pathologic Stage IB Cutaneous Melanoma AJCC v8, Pathologic Stage II Cutaneous Melanoma AJCC v8, Pathologic Stage IIA Cutaneous Melanoma AJCC v8, Pathologic Stage IIB Cutaneous Melanoma AJCC v8, Pathologic Stage IIC Cutaneous Melanoma AJCC v8, Pathologic Stage III Cutaneous Melanoma AJCC v8, Pathologic Stage IIIA Cutaneous Melanoma AJCC v8, Pathologic Stage IIIB Cutaneous Melanoma AJCC v8, Pathologic Stage IIIC Cutaneous Melanoma AJCC v8, Pathologic Stage IIID Cutaneous Melanoma AJCC v8, 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 III Breast Cancer AJCC v8, Prognostic Stage IIIA Breast Cancer AJCC v8, Prognostic Stage IIIB Breast Cancer AJCC v8, Prognostic Stage IIIC Breast Cancer AJCC v8, Stage I Cervical Cancer AJCC v8, Stage I Colorectal Cancer AJCC v8, Stage I Differentiated Thyroid Gland Carcinoma AJCC v8, Stage I Ovarian Cancer AJCC v8, Stage I Thyroid Gland Medullary Carcinoma AJCC v8, Stage I Uterine Corpus Cancer AJCC v8, Stage IA Cervical Cancer AJCC v8, Stage IA Ovarian Cancer AJCC v8, Stage IA Uterine Corpus Cancer AJCC v8, Stage IA1 Cervical Cancer AJCC v8, Stage IA2 Cervical Cancer AJCC v8, Stage IB Cervical Cancer AJCC v8, Stage IB Ovarian Cancer AJCC v8, Stage IB Uterine Corpus Cancer AJCC v8, Stage IB1 Cervical Cancer AJCC v8, Stage IB2 Cervical Cancer AJCC v8, Stage IC Ovarian Cancer AJCC v8, Stage II Cervical Cancer AJCC v8, Stage II Colorectal Cancer AJCC v8, Stage II Differentiated Thyroid Gland Carcinoma AJCC v8, Stage II Ovarian Cancer AJCC v8, Stage II Thyroid Gland Medullary Carcinoma AJCC v8, Stage II Uterine Corpus Cancer AJCC v8, Stage IIA Cervical Cancer AJCC v8, Stage IIA Colorectal Cancer AJCC v8, Stage IIA Ovarian Cancer AJCC v8, Stage IIA1 Cervical Cancer AJCC v8, Stage IIA2 Cervical Cancer AJCC v8, Stage IIB Cervical Cancer AJCC v8, Stage IIB Colorectal Cancer AJCC v8, Stage IIB Ovarian Cancer AJCC v8, Stage IIC Colorectal Cancer AJCC v8, Stage III Cervical Cancer AJCC v8, Stage III Colorectal Cancer AJCC v8, Stage III Differentiated Thyroid Gland Carcinoma AJCC v8, Stage III Ovarian Cancer AJCC v8, Stage III Thyroid Gland Medullary Carcinoma AJCC v8, Stage III Uterine Corpus Cancer AJCC v8, Stage IIIA Cervical Cancer AJCC v8, Stage IIIA Colorectal Cancer AJCC v8, Stage IIIA Ovarian Cancer AJCC v8, Stage IIIA Uterine Corpus Cancer AJCC v8, Stage IIIA1 Ovarian Cancer AJCC v8, Stage IIIA2 Ovarian Cancer AJCC v8, Stage IIIB Cervical Cancer AJCC v8, Stage IIIB Colorectal Cancer AJCC v8, Stage IIIB Ovarian Cancer AJCC v8, Stage IIIB Uterine Corpus Cancer AJCC v8, Stage IIIC Colorectal Cancer AJCC v8, Stage IIIC Ovarian Cancer AJCC v8, Stage IIIC Uterine Corpus Cancer AJCC v8, Stage IIIC1 Uterine Corpus Cancer AJCC v8, Stage IIIC2 Uterine Corpus Cancer AJCC v8
Interventions
Medical Device Usage and Evaluation, Quality-of-Life Assessment, Survey Administration
Other
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 39 Years
Enrollment
173 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
3
States / cities
Los Angeles, California • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 31, 2026, 2:10 PM EDT
Recruiting Phase 3 Interventional

Phase 3 Study of RLY-2608 + Fulvestrant vs Capivasertib + Fulvestrant as Treatment for Locally Advanced or Metastatic PIK3CA-mutant HR+/HER2- Breast Cancer

NCT06982521
View directory record Official record
Conditions
PIK3CA Mutation, HER2- Negative Breast Cancer, Hormone Receptor Positive Tumor, Breast Cancer, Metastatic Breast Cancer, Advanced Breast Cancer
Interventions
Zovegalisib, Capivasertib, Fulvestrant
Drug
Lead sponsor
Relay Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
540 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
52
States / cities
Gilbert, Arizona • Beverly Hills, California • Duarte, California + 42 more
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 31, 2026, 2:10 PM EDT
Recruiting Not applicable Interventional

Molecular Breast Imaging Guidance for Breast Biopsy for Patients With Breast Abnormalities

NCT06058650
View directory record Official record
Conditions
Breast Neoplasm
Interventions
Biopsy of Breast, Medical Device Usage and Evaluation, Scintimammography, Technetium Tc-99m Sestamibi
Procedure · Other · Radiation
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 31, 2026, 2:10 PM EDT
Recruiting Phase 1 Interventional

AVA6103 in Subjects With Locally Advanced or Metastatic Selected Solid Tumors

NCT07454642
View directory record Official record
Conditions
Vulvar Adenocarcinoma, PDAC - Pancreatic Ductal Adenocarcinoma, Gastric Adenocarcinoma, GEJ Adenocarcinoma, Cervical Adenocarcinoma, Cervical Adenosquamous Carcinoma, Small Cell Carcinoma of Lung, Colorectal Cancer, Hormone Receptor Positive Breast Carcinoma
Interventions
AVA6103
Drug
Lead sponsor
Avacta Life Sciences Ltd
Industry
Eligibility
18 Years and older
Enrollment
174 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
7
States / cities
Scottsdale, Arizona • Sarasota, Florida • Chicago, Illinois + 4 more
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 31, 2026, 2:10 PM EDT
Active, not recruiting No phase listed Observational

National Cancer Institute "Cancer Moonshot Biobank"

NCT04314401
View directory record Official record
Conditions
Acute Myeloid Leukemia, Anatomic Stage III Breast Cancer AJCC v8, Anatomic Stage IV Breast Cancer AJCC v8, Clinical Stage IV Esophageal Adenocarcinoma AJCC v8, Clinical Stage IV Gastric Cancer AJCC v8, Clinical Stage IV Gastroesophageal Junction Adenocarcinoma AJCC v8, Esophageal Carcinoma, Fallopian Tube Carcinoma, Gastric Carcinoma, Hormone Receptor-Positive Breast Carcinoma, Invasive Breast Carcinoma, Lung Non-Small Cell Carcinoma, Lung Small Cell Carcinoma, Malignant Solid Neoplasm, Melanoma, Metastatic Prostate Carcinoma, Multiple Myeloma, Ovarian Carcinoma, Ovarian High Grade Serous Adenocarcinoma, Primary Peritoneal Carcinoma, Stage III Fallopian Tube Cancer AJCC v8, Stage III Lung Cancer AJCC v8, Stage III Ovarian Cancer AJCC v8, Stage IV Colorectal Cancer AJCC v8, Stage IV Fallopian Tube Cancer AJCC v8, Stage IV Lung Cancer AJCC v8, Stage IV Ovarian Cancer AJCC v8, Stage IVB Prostate Cancer AJCC v8, Triple-Negative Breast Carcinoma
Interventions
Biospecimen Collection, Computed Tomography, Magnetic Resonance Imaging, Medical Chart Review, Paracentesis, Positron Emission Tomography
Procedure · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
13 Years and older
Enrollment
1,600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
147
States / cities
Daphne, Alabama • Fairhope, Alabama • Mobile, Alabama + 115 more
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 31, 2026, 2:10 PM EDT
Recruiting Phase 1Phase 2 Interventional

Study of AZD9574 as Monotherapy and in Combination With Anti-cancer Agents in Participants With Advanced Solid Malignancies

NCT05417594
View directory record Official record
Conditions
Advanced Solid Malignancies
Interventions
AZD9574, Temozolomide (TMZ), [11C]AZ1419 3391, Trastuzumab Deruxtecan (T-DXd), Datopotamab Deruxtecan (Dato-DXd)
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
695 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
11
States / cities
La Jolla, California • Los Angeles, California • San Francisco, California + 7 more
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 31, 2026, 2:10 PM EDT

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.