Clinical trials
Breast Cancer Stage I clinical trials
Below are recruiting breast cancer stage i clinical trials, each written for real people, not researchers. We’re tracking 1,170 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07616440Recruiting
Ultrasound drug delivery with chemotherapy for HER2-positive breast cancer
This study tests a new technique that uses focused ultrasound to deliver cancer drugs directly to breast tumors, combined with standard chemotherapy. The goal is to improve treatment effectiveness for HER2-positive breast cancer before surgery.
Hangzhou, ZhejiangAges 18–70 - NCT07616427RecruitingPhase 2
New drug plus hormone therapy for HER2-positive breast cancer
This study tests a new drug called fovinaciclib combined with hormone therapy and HER2-targeting drugs for early-stage breast cancer that has specific markers (HR-positive and HER2-positive). The goal is to shrink tumors before surgery and improve outcomes.
Nanjing, JiangsuAges 18–75 - NCT07616453RecruitingPhase 2
New Drug Plus Hormone Therapy for Hormone-Responsive Breast Cancer
This trial tests whether a new drug called culmerciclib, combined with hormone therapy, works better than hormone therapy alone for early-stage breast cancer that grows quickly and responds to estrogen. The goal is to shrink tumors before surgery and improve outcomes.
Hangzhou, ZhejiangAges 18–75 - NCT06711055Recruiting
Taxane plus targeted therapy for early HER2-positive breast cancer
This trial tests a taxane chemotherapy combined with a targeted therapy for women with early-stage, HER2-positive breast cancer that has not spread to lymph nodes. It aims to provide a tailored treatment based on tumor size and risk factors.
Beijing, Beijing MunicipalityAges Any age - NCT06340230RecruitingPhase 2
New drug combination before surgery for HR+ HER2-low breast cancer
This trial tests a new drug (SHR-A1811) alone or with another drug (adebrelimab) before surgery for women with a specific type of early-stage breast cancer called HR+, HER2-low. The goal is to see if this combination can shrink the tumor before surgery, possibly leading to better outcomes.
Shenyang, LiaoningAges 18–75 - NCT06722612Recruiting
Chemo plus targeted therapy for high-risk HER2+ early breast cancer
This trial tests whether combining chemotherapy with targeted therapy works better for women with high-risk, HER2 positive early breast cancer that hasn't spread to lymph nodes. If you've had surgery and your tumor fits certain high-risk features, you may be eligible to join.
Beijing, Beijing MunicipalityAges Any age - NCT07502352Recruiting
Online stress management for breast cancer survivors
This study tests a remotely-delivered program to help you manage stress after breast cancer treatment. It is for women who are 50 or older, have completed treatment for a specific type of breast cancer, and currently take hormone therapy.
Coral Gables, FloridaAges 50 years+ - NCT07457359RecruitingPhase 2
Toripalimab plus radiation for chemo-resistant triple-negative breast cancer
This trial tests if combining an immunotherapy drug (toripalimab) with targeted radiation (SBRT) can help people with triple-negative breast cancer that did not shrink after initial chemotherapy. It aims to improve outcomes before surgery.
HangzhouAges 18–75 - NCT03449264Recruiting
Database study for people with certain new cancers
This study builds a clinical and biological database for people newly diagnosed with certain cancers. It may help doctors better understand cancer patterns and improve future care, and it involves agreeing to extra blood samples.
MontpellierAges 18 years+ - NCT07319195RecruitingEarly Phase 1
Study of a new drug injected into tumors for breast cancer
This trial tests a drug called mitazalimab injected directly into the tumor for patients with early-stage or recurrent breast cancer who are scheduled for surgery. The goal is to see if this approach can help the immune system fight the cancer before surgery.
Philadelphia, PennsylvaniaAges 18 years+ - NCT07299825RecruitingPhase 2
Study of A166 for advanced HER2-positive breast cancer
This trial tests a new drug called A166 for people with HER2-positive breast cancer that has spread or can't be removed. It is for those who have already tried up to five treatments, including a specific type of HER2 antibody-drug conjugate.
Zhenzhou, HenanAges 18–75 - NCT07258108RecruitingPhase 2
Sac-TMT and KL-A167 for HR+/HER2- Breast Cancer
This trial is testing a combination of two drugs, Sac-TMT and KL-A167, in people with a certain type of advanced breast cancer (HR+/HER2-) that is PD-L1 positive. It's for those whose cancer has gotten worse after treatment with a CDK4/6 inhibitor and hormone therapy.
Guangzhou, GuangdongAges 18–75 - NCT07257484RecruitingPhase 4
Tirzepatide study for breast cancer survivors with obesity
This trial tests if tirzepatide, a weight-loss medication, can help postmenopausal women with hormone-positive breast cancer who have obesity. It aims to improve health outcomes after completing cancer treatment.
New York, New YorkAges 18 years+ - NCT07097155Recruiting
Avocados and cell aging in breast cancer survivors
This study tests whether eating avocados regularly can affect how your cells age. It is for women who have finished treatment for early-stage breast cancer and currently eat fewer than 2 avocados per week.
Reus, TarragonaAges 40–65 - NCT07043725RecruitingPhase 3
Neoadjuvant TQB2102 for HER2-positive breast cancer
This trial tests a new drug called TQB2102 given before surgery for HER2-positive breast cancer. The goal is to see if it can shrink the tumor enough to allow a successful surgery.
Bengbu, AnhuiAges 18–75 - NCT06998394RecruitingPhase 2
Cadonilimab Plus Chemoradiation for Oligometastatic Cervical Cancer
This trial tests a new immunotherapy drug (cadonilimab) combined with standard chemoradiation for cervical cancer that has spread to a few other places in the body. It aims to see if this combination can help control the cancer better.
Zhengzhou, HenanAges 18 years+ - NCT06966388RecruitingPhase 1
Azelaic acid cream for breast cancer patients during radiation
This study tests whether using a topical azelaic acid cream twice daily during radiation therapy is feasible for breast cancer patients. The cream may help reduce skin side effects from radiation, and the study focuses on people with certain skin types that tan easily or have more pigment.
Richmond, VirginiaAges 18 years+ - NCT06891833RecruitingPhase 2/Phase 3
New drug combo for HER2-positive breast cancer before surgery
This trial tests a new targeted drug (BL-M07D1) with or without another drug called pertuzumab, compared to a standard chemotherapy plus two targeted drugs, before surgery for HER2-positive breast cancer. The goal is to see if the new combination works better at shrinking tumors before surgery.
Bengbu, AnhuiAges 18–75 - NCT06845319RecruitingPhase 2
Chemo-immunotherapy before surgery for triple-negative breast cancer
This trial tests a new combination of chemotherapy and immunotherapy that avoids a class of drugs called anthracyclines, which can be hard on the heart. The goal is to shrink tumors before surgery for people with triple-negative or low-hormone-receptor breast cancer.
Charleston, South CarolinaAges 18 years+ - NCT06732323RecruitingPhase 3
Study of ESG401 for triple-negative breast cancer that has spread
This trial tests a new drug, ESG401, for people with triple-negative breast cancer that has come back or spread and cannot be removed by surgery. It compares ESG401 to standard chemotherapy options to see which works better.
BeijingAges 18 years+ - NCT06559540RecruitingPhase 2
Compare short radiation courses for node-positive breast cancer
This study compares two shorter courses of radiation therapy for women with node-positive breast cancer. It aims to see if an ultra-short course is as safe and effective as the slightly longer short course.
St Louis, MissouriAges 18 years+ - NCT06461650Recruiting
Nicotine Cessation Before Breast Reconstruction
This study tests whether a program to help women with breast cancer quit using nicotine before reconstructive surgery is feasible and helpful. If you use nicotine and are scheduled for reconstruction, you may be able to join.
Gainesville, FloridaAges 18–80 - NCT06309290Recruiting
Prehabilitation with strength training before breast cancer treatment
This trial tests if strength exercises before starting chemotherapy can help postmenopausal women with breast cancer. It aims to improve patients' ability to undergo treatment and surgery.
SantiagoAges Any age - NCT06167694RecruitingPhase 1/Phase 2
Study of HRS-8080 and Dalpiciclib for advanced breast cancer
This trial tests a new combination of two drugs (HRS-8080 and Dalpiciclib) for women with advanced breast cancer that cannot be removed by surgery. It may be an option if you have already tried hormone therapy or are starting advanced treatment for the first time.
Beijing, Beijing MunicipalityAges 18–75
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Common questions
- Are there clinical trials for breast cancer stage i?
- Yes. Clin2 currently lists 1,170 recruiting breast cancer stage i studies from the U.S. registry, each rewritten for real people, not researchers, so you can see what it’s testing and who it’s for.
- How do I know if I qualify for a breast cancer stage i trial?
- Each study lists its eligibility criteria — rules about age, diagnosis, and prior treatments. On every Clin2 trial page we explain these in words written for real people and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Does it cost anything to join a breast cancer stage i trial?
- Using Clin2 is always free. Many trials cover the cost of the study treatment and related visits; some reimburse travel. The study team explains exactly what’s covered before you decide.
Related conditions
- Breast Cancer Early Stage Breast Cancer (Stage 1-3)
- Breast Cancer (Triple Negative Breast Cancer (TNBC))
- Anatomic Stage IV Breast Cancer AJCC v8
- Anatomic Stage III Breast Cancer AJCC v8
- Anatomic Stage II Breast Cancer AJCC v8
- Anatomic Stage I Breast Cancer AJCC v8
- Early-stage Breast Cancer
- Breast Cancer Stage III
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. Talk with your doctor about whether a specific trial is right for you.