Clinical trials
Breast cancer clinical trials
Cancer that forms in the cells of the breast, the most common cancer in women. We’re tracking 2,417 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06459791Recruiting
Personalized treatment for advanced breast cancer using lab-grown tumor models
This trial tests a personalized approach to cancer treatment. Doctors will grow a ‘mini-tumor’ from a biopsy of your cancer in the lab to help find the best therapy for you. It is for people with advanced breast cancer that has not responded well to standard treatments.
ParisAges 18 years+ - NCT05973864RecruitingPhase 2
Capecitabine plus pembrolizumab after TNBC surgery and chemo
This Phase 2 trial studies whether adding capecitabine to pembrolizumab after surgery can lower the risk of cancer coming back in people with triple-negative breast cancer that didn’t fully respond to earlier treatment. It’s meant for patients whose tumor was removed but still showed remaining cancer after chemo-immunotherapy.
AmiensAges 18 years+ - NCT05439005RecruitingPhase 3
Opioid-free anesthesia for breast reconstructive flap surgery
This trial compares opioid-free anesthesia with opioid-based anesthesia during breast free-flap reconstruction surgery. It aims to see whether avoiding opioids can improve safety and comfort around the time of surgery.
ParisAges 18 years+ - NCT05219695RecruitingPhase 1
Ultrasound imaging and treatment for breast tumors
This study uses focused ultrasound waves to create detailed images of breast tumors and deliver targeted treatment. It aims to improve how breast tumors are treated while minimizing damage to healthy tissue.
New York, New YorkAges 18 years+ - NCT04297020Recruiting
Checking brain health in breast cancer survivors
This study looks at differences in brain function in people who have had breast cancer, compared with certain people without that history. It’s testing how brain health changes after breast cancer and relates to mood, thinking, and daily functioning.
Los Angeles, CaliforniaAges 35–65 - NCT07308717RecruitingPhase 4
Gabapentin for mastectomy recovery
This trial tests if gabapentin improves recovery after mastectomy. It studies how giving the drug before surgery affects pain and healing.
Basking Ridge, New JerseyAges 18–65 - NCT07115043RecruitingPhase 1/Phase 2
Study of AZD6750 for advanced solid tumors
This trial tests a new drug called AZD6750 for people with advanced solid tumors that have not responded to standard treatments. It aims to see if the drug is safe and effective.
Grand Rapids, MichiganAges 18 years+ - NCT04606446RecruitingPhase 2
Study drug for ER-positive, HER2-negative cancers after treatment
This Phase 2 study tests a new Pfizer medicine (PF-07248144) for certain advanced or metastatic breast, prostate, or lung cancers that have not responded to standard treatment or no standard options exist. You may qualify if you have a specific tumor type and a limited number of prior cancer treatments, and if your body functions (blood, liver, kidneys) and heart rhythm meet safety limits.
Scottsdale, ArizonaAges 18 years+ - NCT04356235Recruiting
Comparing immediate vs delayed breast implant reconstruction results
This study compares two timing options for rebuilding the breast with implants, looking at cosmetic results, quality of life, and patient satisfaction. It may help you understand which approach could fit you better and what to expect over follow-up time.
BudapestAges 18–65 - NCT07855627Recruiting
Predicting lymphedema risk before surgery
This study looks at whether a simple measurement taken before surgery can help predict if you might develop lymphedema (arm swelling) after treatment. It is for women with newly diagnosed inflammatory breast cancer who are planning to have standard treatments.
Houston, TexasAges 18 years+ - NCT07467330RecruitingPhase 3
Breast cancer trial: Adding capecitabine to standard treatment
This trial tests if adding a chemotherapy drug called capecitabine to the combination of dalpiciclib and hormone therapy works better than dalpiciclib and hormone therapy alone for advanced breast cancer that is hormone receptor-positive and HER2-negative. It is for people who have not had these treatments before.
Fuzhou, FujianAges 18 years+ - NCT06694181Recruiting
Safe and explainable AI for heart, sepsis, and breast cancer patients
This trial uses artificial intelligence (AI) to create prediction models for three groups: cardiology patients, sepsis patients, and breast cancer patients. It aims to make these models safe and easy to understand for doctors.
Philadelphia, PennsylvaniaAges 18 years+ - NCT04371913Recruiting
Second chance breast-conserving treatment for certain breast recurrences
This trial studies a personalized plan to remove and re-treat a limited breast recurrence while trying to keep the breast. It may help people whose cancer came back in the same breast after prior breast-conserving treatment, with certain size and spread limits.
Brooklyn, New YorkAges 19–90 - NCT06382818Recruiting
Personalized breast radiation based on risk and side effects
This trial tests whether radiation therapy can be personalized based on your risk of the cancer coming back and your risk of side effects from radiation. Depending on those factors, you may receive a tailored radiation plan that could be more or less intense.
MontpellierAges 18 years+ - NCT03124212Recruiting
Genetic testing guidance for inherited breast, ovarian, or colon cancer risk
This study helps people in Switzerland who already have a known inherited cancer gene change understand what it means for them and their family. It focuses on people with specific known mutations related to hereditary breast/ovarian cancer and Lynch syndrome.
Fribourg, Canton of FribourgAges 18 years+ - NCT05451784RecruitingPhase 1/Phase 2
PD-1 TIL therapy for advanced triple-negative breast cancer
This study tests an immune-cell treatment made from your tumor tissue. It aims to help people with advanced or metastatic triple-negative breast cancer by collecting PD-1–positive immune cells and giving them back after treatment.
BarcelonaAges 18 years+ - NCT07870148Recruiting
Breast cancer and thyroid antibodies study
This study looks at whether the body's immune response to the thyroid is linked to breast cancer. It may help doctors understand how breast cancer behaves and how to treat it better.
MilanAges 18–80 - NCT07694986RecruitingPhase 2
Vaccine therapy for breast cancer that has spread to the brain and spinal cord
This trial tests a new type of vaccine (dendritic cells) injected directly into the spinal fluid, combined with either trastuzumab (if your breast cancer is HER2-positive) or nivolumab (if your breast cancer is HER2-negative). The goal is to see if this combination can better control breast cancer that has spread to the lining of the brain and spinal cord.
Tampa, FloridaAges 18 years+ - NCT07383649RecruitingPhase 2
Anti-CMV therapy for breast cancer with brain metastases
This trial tests a treatment targeting a common virus (CMV) in breast cancer that has spread to the brain. The goal is to see if anti-CMV therapy can shrink or slow these brain tumors.
Houston, TexasAges 18 years+ - NCT05450016Recruiting
Using photos and a computer to assess breast appearance after treatment
This study uses a computer (deep neural network) to judge how the breast looks after breast-conserving surgery or full breast reconstruction and radiation therapy. It may help doctors measure cosmetic results more consistently using photographs.
Mumbai, MaharashtraAges 19–80 - NCT07136753Recruiting
Study of radiotherapy effects on breast reconstruction
This study is looking at how radiotherapy affects women who have immediate breast reconstruction after mastectomy. The goal is to understand the changes and improve future care. Participants will have 3D imaging and answer questionnaires.
LondonAges 18 years+ - NCT05134779Recruiting
Study aims to tailor cancer treatment to your biology
This study looks at how genes, the cancer environment, and your immune system interact to develop treatments that work better for people with breast cancer. It may help researchers learn why some treatments work for certain people and not others.
New York, New YorkAges 18–90 - NCT05851053Recruiting
Study of heart function years after breast cancer treatment
This study checks how well your heart works long after breast cancer treatment. If you joined the earlier de BLOC-I study, you may be invited for follow-up to understand long-term heart effects.
GroningenAges Any age - NCT07817056Recruiting
Managing blood sugar side effects from inavolisib
This study looks at how to best manage high blood sugar, a common side effect of the drug inavolisib, in people with a certain type of breast cancer. It aims to help patients stay on their treatment and improve their quality of life.
Tianjin, Tianjin MunicipalityAges 18 years+
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Common questions
- Are there clinical trials for breast cancer?
- Yes. Clin2 currently lists 2,417 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.