Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.

2026 data Public-data reference. official source

Breast Neoplasm

Open-data reference.

27 US clinical trials · 9 currently recruiting

Active & Recent Trials

RECRUITING 550 participants

Quantitative Microvasculature Imaging for Breast Cancer Detection and Monitoring

Mayo Clinic

NCT04799535

RECRUITING Phase 3 404 participants

Study of the Bria-IMT Regimen and CPI vs Physicians' Choice in Advanced Metastatic Breast Cancer.

BriaCell Therapeutics Corporation

NCT06072612

RECRUITING Phase 2 185 participants

Correlation of Clinical Response to Pathologic Response in Patients With Early Breast Cancer

Baylor Breast Care Center

NCT05020860

RECRUITING NA 150 participants

Improved Successful Retrieval Rate of HydroMARK Plus Breast Biopsy Site Marker in Comparison to HydroMARK as Well as Improved Surgeon Satisfaction

University of Alabama at Birmingham

NCT06294574

RECRUITING Phase 2 132 participants

Phase II Protocol of Proton Therapy for Partial Breast Irradiation in Early Stage Breast Cancer

Proton Collaborative Group

NCT01766297

RECRUITING NA 120 participants

Cryoablation vs Lumpectomy in T1 Breast Cancers

Washington University School of Medicine

NCT05505643

RECRUITING NA 70 participants

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

Mayo Clinic

NCT06058650

RECRUITING Phase 1 48 participants

A Study of Oral MBQ-167 in Participants With Advanced Breast Cancer

MBQ Pharma

NCT06075810

RECRUITING 30 participants

Surviving Daily Life

Thomas Jefferson University

NCT07054723

ACTIVE NOT RECRUITING Phase 3 368 participants

Abemaciclib (LY2835219) Plus Fulvestrant Compared to Placebo Plus Fulvestrant in Previously Treated Breast Cancer

Eli Lilly and Company

NCT05169567

ACTIVE NOT RECRUITING Phase 2 220 participants

Proton Radiation for Stage II/III Breast Cancer

Proton Collaborative Group

NCT01758445

ACTIVE NOT RECRUITING NA 130 participants

Decision Aid Website in Helping to Make Decisions About Fertility in Participants With Cancer

M.D. Anderson Cancer Center

NCT03141437

ACTIVE NOT RECRUITING Phase 1 48 participants

CAR-macrophages for the Treatment of HER2 Overexpressing Solid Tumors

Carisma Therapeutics

NCT04660929

ACTIVE NOT RECRUITING 36 participants

A Study of Ado-trastuzumab Emtansine (T-DM1)-Induced Peripheral Neuropathy in HER2-positive Breast Cancer Patients

Mayo Clinic

NCT05889988

ACTIVE NOT RECRUITING Phase 1 30 participants

[18F]ISO-1 Positron Emission Tomography (PET/CT) in Primary Breast Cancer

University of Pennsylvania

NCT02284919

ACTIVE NOT RECRUITING Phase 1 20 participants

[18F]FLT PET/CT in Rb+ Metastatic Breast Cancer

University of Pennsylvania

NCT02608216

COMPLETED NA 600 participants

Assessing Effectiveness and Implementation of an EHR Tool to Assess Heart Health Among Survivors

Wake Forest University Health Sciences

NCT03935282

COMPLETED NA 300 participants

Study of Web-based Decision Aids for Increasing Breast Cancer Chemoprevention in the Primary Care Setting

Columbia University

NCT03069742

COMPLETED Phase 2 267 participants

Everolimus and Letrozole as Preoperative Therapy of Primary Breast Cancer in Post-menopausal Women

Novartis Pharmaceuticals

NCT00107016

COMPLETED NA 140 participants

Post-treatment Care of Breast Cancer Survivors

Columbia University

NCT00821288

COMPLETED Phase 1 107 participants

Chemotherapy and Progenitor Cell Transplantation to Treat Inflammatory Breast Cancer

National Cancer Institute (NCI)

NCT00001507

COMPLETED Phase 2 75 participants

Comparing Letrozole Given Alone to Letrozole Given With Avastin in Post-Menopausal Women Breast Cancer

University of Alabama at Birmingham

NCT00530868

COMPLETED Phase 2 65 participants

Evaluation of a New Agent for Treatment of Advanced Stage Breast Cancer

Bayer

NCT00313248

COMPLETED Phase 1 51 participants

Autologous T-Cell Transplantation and the Immunotherapy of Residual Disease in Breast Cancer: Pilot Study of Vaccine-Driven T-Cell Expansion in Patients Treated With Dose-Intensive Chemotherapy

National Cancer Institute (NCI)

NCT00001440

COMPLETED 50 participants

Establishment of Normal Breast Epithelial Cell Lines From Patients at High Risk for Breast Cancer

National Cancer Institute (NCI)

NCT00001496

COMPLETED NA 20 participants

Feasibility of Providing a Purpose Renewal Intervention for Cancer Survivors Via Virtual Groups

Mary Radomski

NCT04767464

COMPLETED Phase 1 16 participants

Safety and Tolerability Study of TAK-165 in Subjects With Tumors Expressing HER2

Takeda

NCT00034281

Phase Distribution

PhaseTrial count
Early Phase 1 7
Phase 2 6
Phase 3 2

Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.

Reading the Breast Neoplasm Trial Landscape

ClinicalTrials.gov lists 27 US studies indexed under Breast Neoplasm, and 9 of those are currently open to recruitment — roughly 33% of the total volume on the registry. That ratio is a useful proxy for activity level: a high share of recruiting studies often signals that research interest is current and that new enrollment opportunities are appearing, while a low share typically means the field is dominated by completed or follow-up work where most participant spots have already been filled. These counts reflect the public registry only and include studies at every stage of design, so they should be read as an index of research attention rather than as a measure of treatment availability.

The phase distribution for Breast Neoplasm shows 2 late-stage studies (Phase 3 and Phase 4 combined) alongside 13 earlier-phase entries (Phase 1 through Phase 2). Phase 1 and Phase 2 studies focus on early safety signals, dosing, and preliminary effect, while Phase 3 studies are typically the larger efficacy and safety trials submitted toward regulatory review, and Phase 4 studies follow approved interventions in real-world use. A condition weighted toward later phases often reflects a mature research pipeline with several interventions already close to or past approval, whereas a heavier early-phase tilt suggests the field is still exploring new mechanisms and candidate approaches.

Top sponsor activity for Breast Neoplasm is led by Mayo Clinic with 3 indexed trials, alongside 9 other organizations in the top contributor list. The list on this page surfaces up to 27 of the most relevant recent and active entries, ordered with recruiting studies first so practical options are visible. All figures are derived from the public ClinicalTrials.gov dataset maintained by the National Library of Medicine and are reproduced here for reference. Inclusion of a trial, sponsor, or intervention on this page is neither an endorsement nor a recommendation — eligibility, protocol changes, and site-level status can shift frequently, so always verify current details on ClinicalTrials.gov and consult a qualified healthcare provider before acting on anything you see here.

Frequently Asked Questions

How many clinical trials are there for Breast Neoplasm?

PlainTrial tracks 27 US clinical trials for Breast Neoplasm, of which 9 are currently recruiting participants. Data sourced from ClinicalTrials.gov.

How do I find a recruiting trial for Breast Neoplasm?

Use the trial list above filtered by "Recruiting" status, or visit our trial finder at /recruiting to search by condition and state. Always discuss trial participation with your healthcare provider before enrolling.

Is this data current?

Data is sourced from ClinicalTrials.gov and reflects our most recent data pull. Trial status may have changed since then. Always verify current information at ClinicalTrials.gov before making decisions about participation.

Related

Data sourced from official U.S. government datasets. See our methodology for details. Retrieved and formatted by PlainTrial Editorial

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from ClinicalTrials.gov (National Library of Medicine). Consult a qualified professional before making decisions based on this data.

Source: ClinicalTrials.gov (NIH/NLM) ClinicalTrials.gov AACT registry · 2024 Trial counts and statuses sourced from ClinicalTrials.gov. Sponsor counts include both industry and federal/academic sponsors.

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