Clinical trials
Breast cancer clinical trials
Cancer that forms in the cells of the breast, the most common cancer in women. We’re tracking 2,414 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT04261829Recruiting
Full method for breast reconstruction after mastectomy
This trial tests a “full breast reconstruction” approach for people who are planning or have had a breast removal (mastectomy). It may help improve how reconstruction is done and whether you can use the external expansion device as part of the process.
Maastricht, LimburgAges 18 years+ - NCT05746897RecruitingPhase 1
First-in-human test of an anti-PVRIG drug for advanced cancers
This early-phase study tests NM1F (an anti-PVRIG antibody) in people with advanced solid tumors to see if it’s safe and whether it may work. It also includes pembrolizumab (a PD-1 “checkpoint” medicine), aiming to boost the immune system against the cancer.
Dallas, TexasAges 18 years+ - NCT07260591RecruitingPhase 1
VSV-02 for advanced solid tumors that need new options
This trial tests an experimental virus therapy called VSV-02 for people with advanced solid tumors that have not responded to standard treatments. The treatment is given directly into a tumor, aiming to attack cancer from the inside.
Xinxiang, HenanAges 18 years+ - NCT05486520Enrolling by invitation
Low-field MRI test for breast cancer screening
This study tests a special MRI scanner that uses much weaker magnets to look at breast tissue for screening and possible follow-up. It may help find breast changes while aiming to reduce noise and discomfort compared with standard MRI.
Boston, MassachusettsAges 20–80 - NCT06727487Recruiting
Ovarian suppression and exercise in young breast cancer patients
This trial tests whether adding a supervised exercise program helps women with hormone-positive breast cancer who are receiving ovarian suppression therapy. It looks at how exercise affects treatment side effects, quality of life, and long-term health.
MadridAges 18–45 - NCT07352930Recruiting
Fluorescence-guided system for breast cancer surgery margins
This trial tests a new imaging system that helps surgeons see if cancer cells remain after breast-conserving surgery. It may reduce the need for a second surgery by giving real-time feedback on the removed tissue.
Guangzhou, GuangdongAges 18 years+ - NCT06165419RecruitingPhase 2
High-dose radiation for spine metastases from solid tumors
This trial tests a new way of giving high-dose radiation to solid tumors that have spread to the spine. It is for people whose spine is stable, have not had prior treatment to that area, and have only minor weakness (if any).
Stony Brook, New YorkAges 18 years+ - NCT03954431Recruiting
Lower-dose breast CT for clearer breast imaging
This study looks at a special breast CT scan done with a lower radiation dose to help produce clear breast images. You may be able to join if you are getting breast imaging or a biopsy for a possible breast issue and meet the safety and comfort requirements.
Tucson, ArizonaAges 40 years+ - NCT07100600RecruitingPhase 2
Targeted drug with or without radiation for HER2-positive breast cancer brain tumors
This trial tests whether adding radiation therapy to a targeted cancer drug (trastuzumab rezetecan) is better than the drug alone for women with HER2-positive breast cancer that has spread to the brain. If you have untreated brain tumors from this type of breast cancer, this study aims to find the best way to stop them from growing.
Zhengzhou, HenanAges 18 years+ - NCT05005403RecruitingPhase 1
Testing azirkitug for lung, head/neck, and other solid cancers
This Phase 1 study tests how a new medicine (azirkitug) behaves in the body and how safe it is, given by IV infusion alone or with other cancer drugs. It may help people with several advanced solid tumor cancers, especially after standard treatments have stopped working.
Duarte, CaliforniaAges 18 years+ - NCT06892275Recruiting
Helping high-risk women decide about breast MRI
This study tests a decision aid to help women at high risk for breast cancer decide whether to get a screening MRI. It is designed for Black and Latina women who have had a normal mammogram in the past year.
Washington D.C., District of ColumbiaAges 18–74 - NCT04457895Recruiting
Yoga and physical therapy program for hormone therapy breast cancer pain
This trial studies whether a combined physical therapy, yoga, and patient education program can reduce pain in people with non-metastatic breast cancer who are taking hormone therapy. It may help with pain and day-to-day comfort while you continue hormone treatment.
Libourne, AquitaineAges 18–99 - NCT06100263Recruiting
Breast cancer resilience exercise program for Black women
This study tests a personalized exercise program designed to help Black women build strength and resilience after breast cancer treatment. It aims to see if guided exercise can improve physical and emotional well-being.
Ann Arbor, MichiganAges 18 years+ - NCT07318051Recruiting
Sample collection for cancer research study
This study collects blood and tumor tissue samples from patients with certain untreated cancers to help researchers develop and improve tests. You may be eligible if you have one of the listed cancer types and have not yet started treatment.
Austin, TexasAges 18 years+ - NCT06934239RecruitingPhase 4
AI-assisted vs. standard mammograms for breast cancer screening
This trial compares standard mammograms with mammograms aided by artificial intelligence (AI) to see if AI helps find breast cancer more accurately and reduces unnecessary callbacks. If you're 18 or older and getting a routine screening mammogram at one of the six participating health systems, you may be eligible.
Los Angeles, CaliforniaAges 18 years+ - NCT06977360Recruiting
Smartphone support for women with breast cancer on chemo
This study tests a new smartphone app designed to help women with breast cancer manage their chemotherapy treatment and its side effects. It aims to see if the app is easy to use and helpful for women going through chemo for the first time.
SingaporeAges 21–100 - NCT05076760RecruitingPhase 1
Study of a cancer-killing virus with standard treatments
This Phase 1 trial tests MEM-288, an oncolytic (cancer-killing) virus, either alone or combined with standard cancer medicines, in people with advanced solid tumors. It’s designed to see how the treatment works and how safe it is in different cancer types and after specific prior therapies.
Tampa, FloridaAges 18 years+ - NCT04158843Recruiting
Local surgery vs comfort treatment for limited breast cancer spread
This trial compares a more direct local treatment (targeting a small, limited spot) versus a comfort-focused palliative approach for breast cancer that has spread only to one side of the upper arm bone or breastbone area. It aims to see which approach works better while keeping side effects manageable.
Hangzhou, ZhejiangAges 18–75 - NCT05761470RecruitingPhase 2
Test before-surgery cancer treatment for breast tumors with DNA repair gene changes
This trial tests a combination of medications given before surgery (neoadjuvant therapy) for early breast cancer. It is designed for tumors with certain “DNA repair” gene mutations and aims to improve treatment results while shrinking or controlling the cancer.
Guangzhou, GuangdongAges 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+ - NCT06315868Recruiting
Breast cancer organoid study for tumor analysis
This study is testing a new way to understand your breast cancer by growing tiny tumor samples (called organoids) in the lab. It will help researchers learn more about your cancer type and could lead to better treatments.
RomaAges 18–70 - NCT05800132Recruiting
AI helps review routine breast mammograms for screening
This study tests whether an artificial intelligence (AI) system can help a second reader interpret routine breast screening mammograms. It may improve how consistently images are assessed, especially when the first reader calls them normal or benign.
AubagneAges 50–74 - NCT07784660Enrolling by invitationPhase 1
Imaging breast cancer with a new tracer
This trial tests a new imaging agent that may help doctors see breast cancer more clearly. The test uses a radioactive tracer that attaches to a protein on cancer cells, which could help plan your treatment.
Tomsk, Tomsk RegAges 18–80 - NCT07743827Recruiting
Olanzapine-based steroid-sparing anti-nausea treatment for breast cancer
This trial tests a new anti-nausea medicine combination for breast cancer patients getting AC chemotherapy, specifically designed for those with diabetes, obesity, or other metabolic issues. It aims to reduce the need for steroids, which can be riskier for these patients.
Alexandria, Alexandria GovernorateAges 18–70
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Common questions
- Are there clinical trials for breast cancer?
- Yes. Clin2 currently lists 2,414 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.