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ClinicalTrials.gov 6 recruiting now official registry

Stage III Breast Cancer clinical trials

6 of 18 indexed Stage III Breast Cancer trials are currently recruiting.

18 US clinical trials · 6 currently recruiting

Stage III Breast Cancer is the subject of 18 registered US clinical trials on ClinicalTrials.gov, 6 of them currently open to new participants. 2 are in Phase 3-4 (later-stage) and 9 in Phase 1-2 (earlier-stage). The most active sponsor is Dana-Farber Cancer Institute, running 4 of these trials.

The research picture

Stage III Breast Cancer has 18 registered US clinical trials, 6 of them open to new participants right now, about 33% of the total.

6
recruiting participants now
33%
of trials open to enrollment
2
in Phase 3–4 (later-stage)
4
top sponsor: Dana-Farber Cancer Institute
Phase 13Phase 26Phase 31Phase 41

Active & Recent Trials

18 total, page 1 of 1

RECRUITING NA 270 participants

TeleHealth Resistance Exercise Intervention to Preserve Dose Intensity and Vitality in Elder Breast Cancer Patients

Dana-Farber Cancer Institute

NCT05535192

RECRUITING Phase 2 150 participants

Avelumab With Binimetinib, Sacituzumab Govitecan, or Liposomal Doxorubicin in Treating Stage IV or Unresectable, Recurrent Triple Negative Breast Cancer

Laura Huppert, MD, BA

NCT03971409

RECRUITING NA 110 participants

Improving Exercise Capacity With a Tailored Physical Activity Intervention

Wake Forest University Health Sciences

NCT05595577

RECRUITING Phase 2 88 participants

Trastuzumab Deruxtecan Alone or in Combination With Anastrozole for the Treatment of Early Stage HER2 Low, Hormone Receptor Positive Breast Cancer

Jonsson Comprehensive Cancer Center

NCT04553770

RECRUITING Phase 4 60 participants

A Study of Revaree Plus in People With Breast Cancer

Memorial Sloan Kettering Cancer Center

NCT07042581

RECRUITING NA 30 participants

A Study of Disappearing Markers for Daily Radiation Treatment Delivery for Breast Cancer Patients.

Barbara Ann Karmanos Cancer Institute

NCT07095114

ACTIVE NOT RECRUITING Phase 3 415 participants

Platinum in Treating Patients With Residual Triple-Negative Breast Cancer Following Neoadjuvant Chemotherapy

ECOG-ACRIN Cancer Research Group

NCT02445391

ACTIVE NOT RECRUITING Phase 2 174 participants

MARGetuximab Or Trastuzumab (MARGOT)

Dana-Farber Cancer Institute

NCT04425018

ACTIVE NOT RECRUITING Phase 2 164 participants

T-DM1+Pertuzumab in Pre-OP Early-Stage HER2+ BRCA

Dana-Farber Cancer Institute

NCT02326974

ACTIVE NOT RECRUITING Phase 2 62 participants

Niraparib + Dostarlimab In BRCA Mutated Breast Cancer

Dana-Farber Cancer Institute

NCT04584255

ACTIVE NOT RECRUITING Phase 2 48 participants

Acupuncture Pilot Study for Cancer-related Cognitive Function

Memorial Sloan Kettering Cancer Center

NCT04007770

ACTIVE NOT RECRUITING Phase 1 42 participants

Vaccine Therapy in Treating Patients With HER2-Negative Stage III-IV Breast Cancer

University of Washington

NCT02157051

ACTIVE NOT RECRUITING NA 33 participants

Researching the Effect of Exercise on Cancer

Memorial Sloan Kettering Cancer Center

NCT04589468

ACTIVE NOT RECRUITING Early Phase 1 31 participants

HER2 Directed Dendritic Cell Vaccine During Neoadjuvant Therapy of HER2+Breast Cancer

H. Lee Moffitt Cancer Center and Research Institute

NCT03387553

COMPLETED NA 81 participants

Ask Questions (ASQ):Implementation of a Communication Intervention

Barbara Ann Karmanos Cancer Institute

NCT05025748

COMPLETED Phase 1 18 participants

4-1BB Agonist Monoclonal Antibody PF-05082566 With Trastuzumab Emtansine or Trastuzumab in Treating Patients With Advanced HER2-Positive Breast Cancer

George W. Sledge Jr.

NCT03364348

COMPLETED NA 17 participants

Living Well After Breast Surgery

University of Texas at Austin

NCT03834532

COMPLETED NA 4 participants

Aerobic and Strength Training Exercise in Improving Fitness and Arm Health During and After Radiation Therapy in Patients With Stage II-III Breast Cancer

Ohio State University Comprehensive Cancer Center

NCT03102866

Phase Distribution

PhaseTrial count
Phase 1 3
Phase 2 6
Phase 3 1
Phase 4 1

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

Reading the Stage III Breast Cancer Trial Landscape

18 indexed Stage III Breast Cancer studies · 6 recruiting (33%).

Phase mix: 2 late (III/IV) vs 9 early (I/II).

Top sponsor: Dana-Farber Cancer Institute (4 trials), 9 others listed. 18 shown below, recruiting first.

How to read this condition's trial landscape

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.

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.

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 Stage III Breast Cancer?

PlainTrial tracks 18 US clinical trials for Stage III Breast Cancer, of which 6 are currently recruiting participants. Data sourced from ClinicalTrials.gov.

How do I find a recruiting trial for Stage III Breast Cancer?

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.

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 · 2026 Trial counts and statuses sourced from ClinicalTrials.gov. Sponsor counts include both industry and federal/academic sponsors.

Verify with NIH →

Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This page aggregates every registered trial for this condition, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.