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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 8, 2026 Report an issue

ClinicalTrials.gov public records Last synced Nov 7, 2026, 10:57 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
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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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 685–696 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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Suspended Phase 2 Interventional

Evaluation of Novel Iron-based Lymphatic Mapping Agent, Magtrace, for Delayed Sentinel Lymph Node Biopsy (SLNB) in Ductal Carcinoma In-Situ (DCIS)

NCT06868238
View directory record Official record
Conditions
Ductal Carcinoma in Situ
Interventions
Magtrace
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Nov 7, 2026, 10:57 PM EST
Active, not recruiting Not applicable Interventional Accepts healthy volunteers Results available

Developing a Virtual Stress Management Intervention for Spousal/Partnered Caregivers of Solid Tumor Cancer Patients.

NCT04739696
View directory record Official record
Conditions
Breast Cancer, Lung Cancer, Colon Cancer, Solid Tumor, Adult
Interventions
PEPRR, Pep-Pal
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 64 Years
Enrollment
538 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Nov 7, 2026, 10:57 PM EST
Active, not recruiting Phase 1 Interventional

TTX-080 HLA-G Antagonist in Subjects With Advanced Cancers

NCT04485013
View directory record Official record
Conditions
Cancer
Interventions
TTX-080, pembrolizumab, cetuximab, FOLFIRI
Drug
Lead sponsor
Tizona Therapeutics, Inc
Industry
Eligibility
18 Years and older
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
41
States / cities
Tucson, Arizona • Los Angeles, California • Newport Beach, California + 37 more
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Nov 7, 2026, 10:57 PM EST
Active, not recruiting Not applicable Interventional Results available

HOPE-Genomics Intervention for the Improvement of Cancer Patient Knowledge of Genomics

NCT04905082
View directory record Official record
Conditions
Breast Carcinoma, Colorectal Carcinoma, Lung Carcinoma, Malignant Solid Neoplasm, Ovarian Carcinoma, Pancreatic Carcinoma, Prostate Carcinoma
Interventions
Best Practice, Educational Intervention, Genomic Profile, Survey Administration
Other · Procedure
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older
Enrollment
465 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Nov 7, 2026, 10:57 PM EST
Active, not recruiting Phase 2 Interventional Results available

Palbociclib After CDK and Endocrine Therapy (PACE)

NCT03147287
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Palbociclib, Fulvestrant, Avelumab
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
22
States / cities
Miami, Florida • Atlanta, Georgia • Chicago, Illinois + 18 more
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Nov 7, 2026, 10:57 PM EST
Recruiting No phase listed Observational

Active Surveillance in Older Women With ER+ Breast Cancer

NCT07262138
View directory record Official record
Conditions
Early Stage Estrogen Receptor (ER) Positive Breast Cancer
Interventions
Active Surveillance
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
70 Years and older · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Nov 7, 2026, 10:57 PM EST
Recruiting No phase listed Observational

SIBYL: obServation of Therapy Response With lIquid BiopsY evaLuation

NCT05935384
View directory record Official record
Conditions
Non-small Cell Lung Cancer, Colorectal Cancer, Breast Cancer
Interventions
Guardant360
Diagnostic Test
Lead sponsor
Guardant Health, Inc.
Industry
Eligibility
18 Years and older
Enrollment
470 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2030
U.S. locations
1
States / cities
Skokie, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Nov 7, 2026, 10:57 PM EST
Active, not recruiting Phase 2 Interventional Results available

A Study Evaluating the Efficacy and Safety of Giredestrant Compared With Physician's Choice of Endocrine Monotherapy in Participants With Previously Treated Estrogen Receptor-Positive, HER2-Negative Locally Advanced or Metastatic Breast Cancer (acelERA Breast Cancer)

NCT04576455
View directory record Official record
Conditions
Estrogen Receptor-Positive, HER2-Negative, Locally Advanced or Metastatic Breast Cancer
Interventions
Giredestrant, Fulvestrant or an Aromatase Inhibitor (Physician Choice), LHRH Agonist
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
303 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
3
States / cities
Marietta, Georgia • Cleveland, Ohio • Tigard, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Nov 7, 2026, 10:57 PM EST
Active, not recruiting Phase 2Phase 3 Interventional Results available

A Study Evaluating the Efficacy and Safety of Inavolisib + Palbociclib + Fulvestrant vs Placebo + Palbociclib + Fulvestrant in Participants With PIK3CA-Mutant, Hormone Receptor-Positive, HER2-Negative, Locally Advanced or Metastatic Breast Cancer

NCT04191499
View directory record Official record
Conditions
Breast Cancer
Interventions
Inavolisib, Placebo, Palbociclib, Fulvestrant
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
325 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
10
States / cities
Beverly Hills, California • Boston, Massachusetts • New York, New York + 7 more
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Nov 7, 2026, 10:57 PM EST
Active, not recruiting Phase 1 Interventional

[177Lu]Lu-NeoB in Combination With Ribociclib and Fulvestrant in Participants With ER+, HER2- and GRPR+ Advanced Breast Cancer

NCT05870579
View directory record Official record
Conditions
Breast Cancer
Interventions
[68Ga]Ga-NeoB, [177Lu]Lu-NeoB, Ribociclib, Fulvestrant, Goserelin
Drug · Other
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 100 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2032
U.S. locations
2
States / cities
Los Angeles, California • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Nov 7, 2026, 10:57 PM EST
Active, not recruiting Phase 1Phase 2 Interventional

TALAVE: Induction Talazoparib Followed by Combination of Talazoparib and Avelumab in Advanced Breast Cancer

NCT03964532
View directory record Official record
Conditions
Breast Cancer
Interventions
Talazoparib, Avelumab
Drug
Lead sponsor
Georgetown University
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Nov 7, 2026, 10:57 PM EST
Recruiting Phase 1 Interventional

Phase 1 Study of a Self-amplifying RNA Vaccine (ITI-5000) in Stage 2-3 Triple Negative Breast Cancer

NCT07652242
View directory record Official record
Conditions
Triple Negative Breast Cancer (TNBC)
Interventions
ITI-5000 mRNA Vaccine, Pembrolizumab, Olaparib, Capecitabine, ITI-5000 MTD (Maximum Tolerated Dose)
Biological · Drug
Lead sponsor
Immunomic Therapeutics, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
2
States / cities
Grand Rapids, Michigan • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Nov 7, 2026, 10:57 PM EST

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.