Clinical trials
Breast clinical trials
Below are recruiting breast clinical trials, each written for real people, not researchers. We’re tracking 2,691 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT03694756Recruiting
Testing special MRI to see tiny breast cancer structures
This study is testing whether a special MRI scan can help show tiny features inside breast tumors (TMEM). It’s mainly a “feasibility” study, meaning the team is checking if the scan can be done safely and clearly in different types of operable breast cancer.
The Bronx, New YorkAges 18 years+ - NCT03758976Recruiting
Study of scans in advanced breast cancer recurrence
This study looks at people with advanced breast cancer to better understand recurrence by using information from recent scans. It may help researchers improve how advanced disease is assessed and followed over time.
LundAges 18 years+ - NCT03769415Recruiting
Using tumor gene data to improve treatment in metastatic breast cancer
This trial studies your tumor’s gene activity and breast cancer subtype to help guide treatment choices. It mainly looks at whether analyzing “RNA expression” and tumor subtype can improve how therapy is optimized during metastatic breast cancer care.
Chapel Hill, North CarolinaAges 18–99 - NCT03788213Recruiting
Shorter vs longer radiation after breast cancer surgery
This trial compares giving breast radiation over one week versus three weeks after surgery. It aims to see whether the shorter schedule works just as well and is safe for people with certain types of early breast cancer.
Kolkata, West BengalAges 18 years+ - NCT03804944RecruitingPhase 2
Vaccine trial for hormone-positive breast cancer
This Phase 2 study tests an individualized vaccine made from your tumor information to help your immune system fight hormone-positive breast cancer. You may be able to participate if you meet specific hormone-receptor, health, and treatment-timing requirements.
Los Angeles, CaliforniaAges 18–90 - NCT03808337RecruitingPhase 2
SBRT radiation plus standard treatment for spread cancer
This trial looks at adding a focused radiation treatment called SBRT to standard care for cancers that have spread to a limited number of spots. It aims to control those spread-out tumors while still using the usual cancer treatment plan.
San Carlos, CaliforniaAges 18 years+ - NCT03815890RecruitingPhase 2
Pre-surgery nivolumab for certain types of breast cancer
This trial tests whether giving nivolumab before surgery (neoadjuvant treatment) can improve outcomes for people with certain resectable breast cancers. It focuses on tumor types linked to immune activity (like triple-negative and specific lab markers).
AmsterdamAges 18 years+ - NCT03824145Recruiting
Lifestyle coaching for women with metastatic breast cancer
This study tests a structured lifestyle program (diet and physical activity guidance) for women with metastatic breast cancer. It may help improve well-being and health behaviors, especially if you haven’t been following the recommended nutrition and activity guidelines.
Maywood, IllinoisAges 18 years+ - NCT03827317Recruiting
Scan to see HER2 in breast cancer with a new tracer
This study tests a new PET scan tracer to show where HER2-positive breast cancer cells may be in the body. It may help doctors better “map” HER2 activity, including in people with HER2-positive or HER2-negative cancer.
LondonAges 18 years+ - NCT03829553RecruitingPhase 3
Radiation to breast lymph nodes versus standard breast cancer care
This Phase 3 trial tests whether a shorter, more focused radiation treatment to the regional lymph nodes works as well as the current standard approach for certain breast cancers. It may help patients by potentially improving treatment efficiency while keeping cancer control effective.
Shanghai, Shanghai MunicipalityAges 18–75 - NCT03856372Recruiting
Shorter radiation schedule after mastectomy for high-risk breast cancer
This trial compares a shorter radiation plan to a standard longer plan after mastectomy for people considered high risk. It may help reduce treatment time while still trying to prevent breast-cancer recurrence.
Suzhou, JiangsuAges 18–75 - NCT03863457RecruitingPhase 1
PET/CT scan test for breast cancer using a new tracer
This Phase 1 study tests a new PET/CT imaging tracer to see how well it can detect breast cancer spots in the body. It may help doctors learn where breast cancer is and how imaging could work better in the future.
Philadelphia, PennsylvaniaAges 18 years+ - NCT03909282Recruiting
Surgery now versus radiation then delayed surgery for DCIS
This trial compares two approaches for ductal carcinoma in situ (DCIS): having surgery first versus getting radiation first and then having surgery later. It aims to see which plan controls DCIS better while affecting treatment timing and outcomes.
Stanford, CaliforniaAges 18 years+ - NCT03946202RecruitingPhase 2
Radiation plus an in-tumor drug for breast cancer
This Phase 2 trial tests adding a drug inside the tumor (an “in-tumor” injection) to make radiation work better for locally advanced or recurrent breast cancer. It’s meant to help control the tumor area for better long-term local symptom control.
Trivandrum, KeralaAges 18 years+ - NCT03971045RecruitingPhase 2
Pembrolizumab plus low-dose oral chemo for chest wall breast cancer
This Phase 2 trial tests pembrolizumab (an immune therapy) plus low-dose oral cyclophosphamide in people with chest wall breast cancer that has spread locally and may have distant metastases. It aims to see if this combination can shrink tumors and control cancer longer, especially in tumors with certain immune markers.
MilanAges 18 years+ - NCT03975179Recruiting
Frozen biopsy vs no frozen biopsy during breast-conserving surgery
This study compares two approaches during breast-conserving surgery: doing a quick “frozen section” biopsy during the operation versus deciding later without it. It aims to see which approach better guides treatment decisions about whether the cancer is close to the removed tissue edges (margins).
Goyang-siAges 19–70 - NCT03990896RecruitingPhase 2
Talazoparib for metastatic breast cancer with BRCA body DNA changes
This Phase 2 trial tests talazoparib, a targeted cancer medicine, in people with metastatic breast cancer that has a harmful BRCA1 or BRCA2 mutation found in tumor DNA circulating in the blood. If you qualify, the goal is to see how well this treatment works when the mutation is detected this specific way.
San Francisco, CaliforniaAges 18 years+ - NCT04003038Recruiting
Negative pressure wound dressings after breast reconstruction in obesity
This trial tests whether a special “suction” dressing (negative pressure wound therapy) helps wounds heal better after breast reconstruction using tissue from the belly, especially in people with higher body weight. You may be more likely to benefit if you’re at higher risk for wound problems after abdominal flap surgery.
Houston, TexasAges 18 years+ - NCT07703033Recruiting
Heart Impact Study for Breast Cancer Radiotherapy
This study looks at how information about the heart may affect treatment decisions for people receiving radiation therapy for breast cancer. It aims to help reduce heart-related side effects from treatment.
CopenhagenAges 35 years+ - NCT06964906RecruitingPhase 2
HIFU, immunotherapy, and chemo for ER+ HER2- breast cancer
This trial tests a combination of high-intensity focused ultrasound (HIFU, a non-invasive treatment that uses sound waves to heat and destroy tumor tissue) with the immunotherapy drug toripalimab and standard chemotherapy before surgery for women with a specific type of breast cancer (ER-positive, HER2-negative). The goal is to see if this approach can improve treatment outcomes for women with high-risk disease.
Hangzhou, ZhejiangAges 18–75 - 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+ - NCT04494945Recruiting
Help for people with inherited cancer risk genes
This study helps identify people who may have an inherited cancer risk and checks how best to support them. Depending on the group, you may only fill out surveys, or you may also create an app account and possibly provide a DNA sample.
Portland, OregonAges 18 years+ - NCT04019678Recruiting
Breast cancer study after chemotherapy with small underarm node spread
This study looks at whether it’s safe and effective to avoid removing many underarm lymph nodes in some people who, after chemotherapy, still seem to have only tiny (“micro”) cancer deposits in the sentinel lymph node. It may help reduce treatment side effects while keeping cancer control.
Rozzano, MIAges 18–75 - NCT04020575RecruitingPhase 1
CAR T cells made from your blood for advanced breast cancer
This Phase 1 trial tests CAR T cells made from your own immune cells to target advanced breast cancer. The cells are designed to recognize a specific cancer marker (called MUC1*), with the goal of shrinking tumors or keeping them under control.
Duarte, CaliforniaAges 18 years+
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Common questions
- Are there clinical trials for breast?
- Yes. Clin2 currently lists 2,691 recruiting breast 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 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 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
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.