Clinical trials
Breast cancer clinical trials
Cancer that forms in the cells of the breast, the most common cancer in women. We’re tracking 2,476 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06185569Recruiting
French study on outcomes in HR+/HER2- early breast cancer patients with Oncotype DX
This study looks at how well treatments work for people with early-stage, hormone receptor-positive, HER2-negative breast cancer when the Oncotype DX test helps guide therapy. It aims to understand real-world outcomes in French patients.
BesançonAges 18 years+ - NCT06387901Recruiting
Paclitaxel side effects in breast cancer: activity and body composition
This study looks at how physical activity and body composition affect the side effects of paclitaxel, a chemotherapy drug, in women with stage II or III breast cancer. It aims to help doctors understand who might have more or fewer side effects during treatment.
Brussels, JetteAges 18 years+ - NCT06601621Recruiting
Acupuncture and self-massage for quality of life during breast cancer chemo
This trial tests whether combining electroacupuncture with self-acupressure can improve quality of life for people with early-stage breast cancer during chemotherapy. The treatment is non-invasive and aims to reduce side effects.
Xining, QinghaiAges 18–75 - NCT06928701Recruiting
Diet and exercise for early breast cancer before surgery
This trial tests whether a personalized nutrition and exercise program can improve treatment response by changing how your body and immune system react to breast cancer before surgery. It is for women newly diagnosed with early-stage breast cancer who will receive neoadjuvant therapy (treatment before surgery).
Novara, NovaraAges 18 years+ - NCT07062965RecruitingPhase 3
PF-07248144 with fulvestrant for HR+ HER2- advanced breast cancer
This trial tests a new study medicine (PF-07248144) combined with fulvestrant in people with a certain type of advanced breast cancer (HR-positive, HER2-negative) that has worsened after previous treatments. It may be an option if you've already tried a CDK4/6 inhibitor and endocrine therapy.
Chandler, ArizonaAges 18 years+ - NCT07112521Recruiting
Brain stimulation for thinking problems after breast cancer
This study tests whether a gentle brain stimulation technique called tDCS can help with thinking and memory problems after breast cancer treatment. It compares women with and without obesity to see if the treatment works differently.
Helsinki, UusimaaAges 18 years+ - NCT07128030Recruiting
Moderate exercise for pain in breast cancer survivors
This study tests whether moderate exercise (like brisk walking) can help reduce pain and sensitivity in breast cancer survivors. It's designed for women who have finished their main treatments and still have discomfort in their arm or shoulder on the side where they had surgery.
MadridAges Any age - NCT07195344RecruitingPhase 4
T-DXd for breast cancer: comparing drug levels by BMI
This trial studies how the drug T-DXd (trastuzumab-deruxtecan) works in people with advanced or metastatic breast cancer. It compares drug levels in the body based on body mass index (BMI) to see if dose adjustments are needed.
AngersAges 18 years+ - NCT07380646RecruitingPhase 2
Leucogen to prevent low white blood cells from ribociclib in early breast cancer
This trial tests if Leucogen can prevent neutropenia (low white blood cells) caused by ribociclib, a targeted therapy for hormone receptor-positive, HER2-negative early breast cancer. It may help you stay on treatment without delays or dose reductions.
Hangzhou, ZhejiangAges 18 years+ - NCT07399808Recruiting
CDK4/6 Inhibitors in Older Breast Cancer Patients
This study looks at how well CDK4/6 inhibitors work in older adults with breast cancer who are taking these drugs after surgery to help prevent the cancer from coming back. It will follow patients over time to learn more about their experiences.
Pavia, PaviaAges 18 years+ - NCT07533123RecruitingPhase 3
New drug JSKN016 for triple-negative breast cancer after chemotherapy
This study tests a new drug called JSKN016 against standard chemotherapy options for triple-negative breast cancer that has stopped responding to previous treatments. The trial aims to find out if JSKN016 works better or offers other benefits for patients like you.
Guangzhou, GuangdongAges 18–75 - NCT07275463Enrolling by invitationPhase 2
Study of DB8 imaging in estrogen receptor positive and negative breast cancer
This trial uses a special imaging agent called DB8 to see how it builds up in breast tumors. It compares results between women with estrogen receptor-positive and estrogen receptor-negative cancers to help improve detection.
TomskAges 18–80 - NCT04722341Recruiting
Time-limited eating for people with certain breast or rectal cancers
This study tests whether eating only within a shorter daily time window can improve cancer outcomes in people with specific breast or rectal cancers. It also looks at how this affects the body (such as metabolism) and who is most likely to benefit.
Birmingham, AlabamaAges 18 years+ - NCT02012699Recruiting
Cancer registry for people with or at risk of cancer
This trial collects health information and samples (a “cancer repository”) to help researchers study cancer and cancer risk. You may be able to join if you’ve had cancer before or if you’re at higher risk or have concerning findings.
Greenwood Village, ColoradoAges 19–110 - NCT07335354Recruiting
Decision tool for breast reconstruction after mastectomy
This study is testing a decision tool to help people who are thinking about breast reconstruction surgery after a mastectomy. The tool is designed to help you and your doctor make a more informed choice.
Basking Ridge, New JerseyAges 18 years+ - NCT05963464Recruiting
Marker-assisted breast surgery for hard-to-feel tumors
This study tests a small implantable “marker” system (used to help doctors find the tumor or lymph node during breast surgery) for people with breast or lymph node areas that can’t be felt. It may help surgery planning and accuracy when the cancer can’t be easily located by touch.
MilanAges 18–90 - NCT06930378Recruiting
Breast skin feeling after DIEP flap reconstruction
This trial compares three surgical techniques to see which one best preserves or improves skin feeling after breast reconstruction with a DIEP flap (using your own tissue to rebuild the breast). You may join if you are having this type of reconstruction and do not have nerve problems or smoke.
Geneva, Canton of GenevaAges 18–80 - NCT06836089Enrolling by invitation
MRI study for dense breasts with a special imaging technique
This trial tests whether a type of MRI called Diffusion Weighted Imaging (DWI) can more accurately identify breast issues in women with dense breast tissue. If you have dense breasts and have already had a breast MRI with DWI, this study may help improve future diagnosis.
NaplesAges 40 years+ - NCT06462963Recruiting
Single vs multiple radiation doses for cancer spread
This trial compares a single, strong dose of radiation to multiple smaller doses for treating cancer that has spread to a few spots. It aims to see which approach causes fewer side effects.
AalstAges Any age - NCT06760507Recruiting
Family history screening for BRCA cancers in rural clinics
This trial tests a program to help women in rural public health clinics learn about their family history of BRCA-related cancers. It aims to increase genetic screening and counseling for those at higher risk.
Atlanta, GeorgiaAges 25 years+ - NCT07546331Recruiting
Body Composition and Breast Reconstruction Outcomes
This study measures body composition (muscle and fat distribution) in patients undergoing breast reconstruction after mastectomy to understand how these measurements relate to surgical outcomes and recovery. Understanding these connections may help doctors better predict and optimize results for future patients.
San Francisco, CaliforniaAges 18 years+ - NCT06332131Enrolling by invitation
Heart blood vessel effects of immunotherapy in breast and lung cancer
This trial studies whether immunotherapy drugs (called immune checkpoint inhibitors) affect the small blood vessels of the heart. If you have breast cancer or lung cancer and are starting a specific treatment plan, you may be asked to have a special heart scan before and during therapy.
Philadelphia, PennsylvaniaAges 18 years+ - NCT02749474Recruiting
Study of cancer treatment and outcomes during pregnancy
This study looks at pregnant people who were diagnosed with cancer around pregnancy and how care affects the mother, baby, and newborn. It aims to better understand outcomes and treatment patterns during pregnancy.
Camden, New JerseyAges Any age - NCT05590949Recruiting
Study of bone problems after stopping breast cancer medicines
This observational study looks at bone complications in post-menopausal women with breast cancer after stopping denosumab and an aromatase inhibitor. It may help doctors better understand who is at risk for bone weakening and fractures after these medicines are stopped.
Basking Ridge, New JerseyAges 18 years+
Hear when a new Breast cancer trial opens
We’ll email you when one opens — at most once a week, no account needed, unsubscribe anytime.
Common questions
- Are there clinical trials for breast cancer?
- Yes. Clin2 currently lists 2,476 recruiting breast cancer 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 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 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.