Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
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 31, 2026 Report an issue

ClinicalTrials.gov public records Last synced Oct 31, 2026, 2:56 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
7078
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
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.

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.

Reset condition filters
Clear filters
Showing 385–396 of 7,078 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
Recruiting Not applicable Interventional

Safety and Feasibility of Robotic SP Nipple Sparing Mastectomy

NCT05245812
View directory record Official record
Conditions
Breast Cancer, High Risk of Breast Cancer
Interventions
da Vinci SP Surgical System
Device
Lead sponsor
Deborah Farr, MD
Other
Eligibility
18 Years to 80 Years · Female only
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 31, 2026, 2:56 PM EDT
Active, not recruiting Not applicable Interventional

Improving Nutrition and Physical Activity for Cancer Survivors (Tools To Be Fit)

NCT05056077
View directory record Official record
Conditions
Bladder Cancer, Breast Cancer, Colon Cancer, Endometrial Cancer, Ovarian Cancer, Rectal Cancer, Prostate Cancer, Renal Cell Carcinoma, Kidney Cancer
Interventions
Counseling, Educational Intervention, Health Education, Health Promotion and Education - Direct Text Messaging, Health Promotion and Education - Digital health tool kit, Questionnaires
Other · Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
353 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 31, 2026, 2:56 PM EDT
Recruiting Not applicable Interventional

A Study of Mental Health Care in People With Cancer

NCT06037954
View directory record Official record
Conditions
Breast Cancer, Colorectal Cancer, Lung Cancer, Prostate Cancer
Interventions
Questionnaires, Interviews, 30-minute telephone or videoconference sessions
Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
65 Years and older
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 31, 2026, 2:56 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Evaluation of an Online, Remote Cognitive Battery for Use in Cancer Survivorship

NCT03674437
View directory record Official record
Conditions
Breast Cancer Survivors
Interventions
Traditional Neurocognitive Assessments, Online Cognitive Battery (Cogsuite)
Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
40 Years to 65 Years · Female only
Enrollment
441 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 31, 2026, 2:56 PM EDT
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers

Studying the Effect of Denosumab on Preventing Breast Cancer in Women With a BRCA1 Germline Mutation

NCT04711109
View directory record Official record
Conditions
BRCA1 Mutation, Breast Cancer, Breast Diseases, Breast Neoplasms, Breast Carcinoma, Neoplasms
Interventions
Denosumab, Placebo, Quality-of-Life Assessment
Drug · Other
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
25 Years to 55 Years · Female only
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2033
U.S. locations
47
States / cities
Los Angeles, California • San Francisco, California • Aurora, Colorado + 38 more
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 31, 2026, 2:56 PM EDT
Active, not recruiting No phase listed Observational

Study of Cardiopulmonary Exercise Testing in Women Who Have HER2-Positive Breast Cancer With Mild Cardiotoxicity

NCT05036252
View directory record Official record
Conditions
Breast Cancer, HER2-positive Breast Cancer, HER2-positive Metastatic Breast Cancer, Breast Cancer Stage I, Breast Cancer Stage II, Breast Cancer Stage III, Breast Cancer Stage IV, Cardiotoxicity
Interventions
Cardiopulmonary Exercise Test, Echocardiogram, Echocardiography
Diagnostic Test
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 31, 2026, 2:56 PM EDT
Completed Phase 1 Interventional

A Study to Investigate APL-5125 in Adults With Advanced Solid Tumors

NCT06399757
View directory record Official record
Conditions
Colorectal Cancer, Cholangiocarcinoma, Appendiceal Adenocarcinoma, Pancreatic Adenocarcinoma, Gastric Adenocarcinoma, Endometrial Adenocarcinoma, Triple Negative Breast Cancer, Ovarian Cancer, Prostate Cancer
Interventions
APL-5125
Drug
Lead sponsor
Apollo Therapeutics Ltd
Industry
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
9
States / cities
Duarte, California • Irvine, California • Sarasota, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 31, 2026, 2:56 PM EDT
Recruiting Phase 1 Interventional

A Study of PHST001 in Advanced Solid Tumors

NCT06840886
View directory record Official record
Conditions
Advanced Solid Tumors, Ovarian Cancer, Endometrial Cancer, Cholangiocarcinoma, CNS Tumor, Breast Cancer, Fallopian Tube Cancer, Primary Peritoneal Carcinoma, Carcinosarcoma, Ovarian
Interventions
PHST001, Paclitaxel, Topotecan, Doxorubicin, FOLFIRI, FOLFOX, Gemcitabine, Mirvetuximab Soravtansine, Trastuzumab Deruxtecan
Biological · Drug
Lead sponsor
Pheast Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
426 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
20
States / cities
Beverly Hills, California • Los Angeles, California • Palo Alto, California + 15 more
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 31, 2026, 2:56 PM EDT
Suspended Phase 1 Interventional

A Phase Ib Study of Novel Combination (New) of Low Dose Oral CyclophoSphamide (s) to Potentiate Axatilimab (A) + Retifanlimab (R) in Treating Metastatic Triple Negative Breast Cancer (TNBC)

NCT06959537
View directory record Official record
Conditions
Breast Cancer
Interventions
Cyclophosphamide, Axatilimab (SNDX-6352), Retifanlimab
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 31, 2026, 2:56 PM EDT
Active, not recruiting No phase listed Observational

Effects of Immune Checkpoint Inhibitors on Coronary Microvasculature

NCT06332131
View directory record Official record
Conditions
Coronary Microvascular Dysfunction, Cardiotoxicity, Breast Cancer, Lung Cancer (NSCLC)
Interventions
Not listed
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 31, 2026, 2:56 PM EDT
Recruiting Phase 1 Interventional

Phase 1 Study of OP-3136 in Advanced or Metastatic Solid Tumors

NCT06784193
View directory record Official record
Conditions
Advanced or Metastatic ER+ HER2- Breast Cancer (mBC), Advanced or Metastatic Non-Small Cell Lung Cancer (NSCLC), Advanced or Metastatic Castration-Resistant Prostate Cancer (mCRPC), Metastatic Breast Cancer, Fulvestrant, Palazestrant
Interventions
OP-3136, Fulvestrant, Palazestrant
Drug
Lead sponsor
Olema Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
13
States / cities
Gilbert, Arizona • Aurora, Colorado • Sarasota, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 31, 2026, 2:56 PM EDT
Recruiting Not applicable Interventional

Developing New Educational Materials About Genetic Testing for a Diverse Group of Cancer Patients

NCT04751435
View directory record Official record
Conditions
Educational Materials for Genetic Testing, Breast Cancer, Ovarian Cancer, Prostate Cancer, Pancreatic Cancer, Colorectal Cancer
Interventions
Cognitive interview, LCAM intervention, Standard of care
Other · Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
445 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
4
States / cities
Brooklyn, New York • Jamaica, New York • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 31, 2026, 2:56 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.