Breast Cancer Early Stage Breast Cancer (Stage 1-3) Clinical Trials

25 recruitingLast updated: June 17, 2026

There are 25 actively recruiting breast cancer early stage breast cancer (stage 1-3) clinical trials across 14 countries. Studies span Not Applicable, Phase 2, Phase 3. Top locations include Zhengzhou, Henan, China, Örebro, Sweden, Barcelona, Spain. Updated daily from ClinicalTrials.gov.


Breast Cancer Early Stage Breast Cancer (Stage 1-3) Trials at a Glance

25 actively recruiting trials for breast cancer early stage breast cancer (stage 1-3) are listed on ClinicalTrialsFinder across 6 cities in 14 countries. The largest study group is Not Applicable with 11 trials, with the heaviest enrollment activity in Zhengzhou, Örebro, and Barcelona. Lead sponsors running breast cancer early stage breast cancer (stage 1-3) studies include Alejandra García-Novoa, British Columbia Cancer Agency, and Ain Shams University.

Browse breast cancer early stage breast cancer (stage 1-3) trials by phase

Treatments under study

About Breast Cancer Early Stage Breast Cancer (Stage 1-3) Clinical Trials

Looking for clinical trials for Breast Cancer Early Stage Breast Cancer (Stage 1-3)? There are currently 25 studies actively recruiting participants. Clinical trials offer access to new treatments before they are widely available, and every approved therapy in use today was first tested through a clinical trial.

Below you can browse trials, sign up for alerts when new Breast Cancer Early Stage Breast Cancer (Stage 1-3) trials open, and view eligibility criteria for each study. Each listing includes the study phase, locations, and enrollment details.

Frequently Asked Questions

Common questions about Breast Cancer Early Stage Breast Cancer (Stage 1-3) clinical trials

A clinical trial is a carefully designed research study that tests new medical treatments, drugs, devices, or approaches in human volunteers. Every approved medication and treatment available today was proven safe and effective through clinical trials.

All clinical trials are reviewed and approved by Institutional Review Boards (IRBs) — independent committees that evaluate patient safety. Trials follow strict protocols, and your health is monitored closely throughout. You can withdraw at any time.

Not necessarily. Many trials compare the new treatment against the current standard of care, meaning all participants receive active treatment. When placebos are used, they are typically combined with standard treatment, not given alone. The trial description will always specify the design.

Under the Affordable Care Act, most private insurers are required to cover routine patient care costs during a clinical trial. The sponsor typically covers the investigational treatment itself. Medicare also covers routine costs for qualifying trials.

Yes. Participation is completely voluntary. You can withdraw at any time, for any reason, without it affecting your access to standard medical care.

Each trial has specific eligibility criteria — including age, diagnosis, disease stage, prior treatments, and general health. Browse the trials listed above and check their eligibility sections. You can also contact the trial site directly to discuss your situation.

Showing 120 of 25 trials

Recruiting
Not Applicable

JUdicious Surveillance for Trastuzumab Induced Cardiotoxicity in the First Year

Breast CancerBreast Cancer Early Stage Breast Cancer (Stage 1-3)Cardiovascular Health+4 more
Women's College Hospital300 enrolled1 locationNCT06930521
Recruiting

Aspects of Adjuvant CDK4/6 Inhibitors in Older Breast Cancer Patients - Focusing on Geriatric Screening

Breast Cancer Early Stage Breast Cancer (Stage 1-3)Geriatric AssessmentAdjuvant Drug Therapy
Region Jönköping County200 enrolled5 locationsNCT07273357
Recruiting
Not Applicable

Single vs Hypofractionated Irradiation For Timely Access to Partial Breast Radiotherapy

Breast Cancer Early Stage Breast Cancer (Stage 1-3)
British Columbia Cancer Agency60 enrolled1 locationNCT06885671
Recruiting
Phase 2

FLASH-Breast: Evaluating the Efficacy of Fezolinetant in Reducing Vasomotor Symptoms in Women With Breast Cancer on Endocrine Therapy

Breast Cancer Early Stage Breast Cancer (Stage 1-3)
Yale University92 enrolled2 locationsNCT06917313
Recruiting
Not Applicable

Feasibility and Acceptibility of a Multi-site Trial of Time Restircted Eating During Chemotheraply for Breast Cancer.

Breast CancerBreast Cancer Early Stage Breast Cancer (Stage 1-3)Breast Neoplasm Female
University of Illinois at Chicago40 enrolled2 locationsNCT07387445
Recruiting
Not Applicable

Evaluation of Circulating Tumor Cells (CTC) Relevance in Breast Cancer Follow-up Using the ScreenCell Device

Breast Cancer MetastaticBreast Cancer Early Stage Breast Cancer (Stage 1-3)Breast Cancer Invasive
ScreenCell93 enrolled1 locationNCT06807502
Recruiting

Evaluation of HER2DX Assay on Treatment Decisions in Patients With Early Stage HER2+ Breast Cancer: the HER2BREASTDX

Breast Cancer Early Stage Breast Cancer (Stage 1-3)
European Institute of Oncology60 enrolled1 locationNCT06723990
Recruiting
Phase 2Phase 3

Continuous Positive Airway Pressure (CPAP) Assisted Radiotherapy in Breast Cancer

Breast Cancer Early Stage Breast Cancer (Stage 1-3)
Universitaire Ziekenhuizen KU Leuven53 enrolled1 locationNCT07373782
Recruiting
Phase 2

ctDNA-Guided De-Escalation of Adjuvant Chemotherapy With Dalpiciclib in HR-Positive/HER2-Negative Breast Cancer

HER2-negative Breast CancerBreast Cancer Early Stage Breast Cancer (Stage 1-3)Hormone Receptor-Positive Breast Cancer+3 more
Peking University People's Hospital393 enrolled1 locationNCT06970912
Recruiting
Not Applicable

Multimodal Prehabilitation Program That Combines Physical Exercise, Psychological Intervention and Nutritional Support to Improve the Response to Neoadjuvant Chemoterhapy in Early Breast Cancer Patients

Breast Cancer Early Stage Breast Cancer (Stage 1-3)Prehabilitation
Hospital Clinic of Barcelona214 enrolled1 locationNCT07107594
Recruiting

Validation of the Oncoliq Test for the Early Detection of Breast Cancer.

Breast Cancer FemaleBreast Cancer DetectionBreast Cancer Early Stage Breast Cancer (Stage 1-3)+4 more
Oncoliq US Inc300 enrolled1 locationNCT07331506
Recruiting
Phase 3

A Study to Determine the Efficacy of a Digital Self-management Support Tool to Improve the Quality of Life During Adjuvant HOrmonal Therapy for Patients With Early Breast Cancer

Breast CancerBreast Cancer Early Stage Breast Cancer (Stage 1-3)
Gustave Roussy, Cancer Campus, Grand Paris180 enrolled1 locationNCT06781996
Recruiting
Not Applicable

Feasibility Trial of ScarWork for Post-breast Surgery Pain Syndrome.

Breast Cancer Early Stage Breast Cancer (Stage 1-3)
University College London Hospitals40 enrolled1 locationNCT07206394
Recruiting
Not Applicable

The Application of "HUAXI Hole 1" in Reverse-sequence Endoscopic Nipple-sparing Mastectomy With Direct-to-implant Breast Reconstruction

Breast Cancer Early Stage Breast Cancer (Stage 1-3)
Du Zhenggui337 enrolled20 locationsNCT06995118
Recruiting
Phase 2

SHR-A1811 Plus Pertuzumab in the Neoadjuvant Treatment of HER2 Positive BC

Breast Cancer Early Stage Breast Cancer (Stage 1-3)
Henan Cancer Hospital180 enrolled1 locationNCT06927180
Recruiting
Not Applicable

Study on the Use of Lateral Decubitus Position in Left Breast Cancer Patients Undergoing Adjuvant Radiotherapy

Breast Cancer Early Stage Breast Cancer (Stage 1-3)
Nanfang Hospital, Southern Medical University86 enrolled2 locationsNCT06902051
Recruiting
Not Applicable

Effects of a Nursing-led Communication Using Mobile Health Information in Breast Cancer Patients Undergoing Concurrent Chemotherapy

Breast Cancer Early Stage Breast Cancer (Stage 1-3)
National Defense Medical Center, Taiwan60 enrolled1 locationNCT06949046
Recruiting
Not Applicable

Question Prompt List in Breast Cancer Patients Planned for Neoadjuvant Chemotherapy

Neoadjuvant TherapyBreast Cancer Early Stage Breast Cancer (Stage 1-3)Shared Decision Making
Region Örebro County218 enrolled3 locationsNCT06777420
Recruiting
Not Applicable

Impact of PErioperative Nutrition Intervention on Bioimpedance Phase Angle (IPENIPA) In Breast Cancer Patients

Breast Cancer Early Stage Breast Cancer (Stage 1-3)Mastectomy Patient
University of Malaya114 enrolled1 locationNCT06890221
Recruiting

Endoscopy/Robotic Assisted Nipple Skin Sparing Mastectomy

Breast Cancer Early Stage Breast Cancer (Stage 1-3)Breast Cancer Non-invasive Breast CancerHigh Risk Breast Carcinoma
Alejandra García-Novoa126 enrolled1 locationNCT06823414