Clinical trials
Breast cancer clinical trials
Cancer that forms in the cells of the breast, the most common cancer in women. We’re tracking 2,460 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT05376878RecruitingPhase 4
PET/MRI scan to guide treatment in HER2+ brain metastatic breast cancer
This trial tests a special PET/MRI imaging scan using a labeled drug to help doctors evaluate HER2+ breast cancer that has spread to the brain. It focuses on patients who plan to receive fam-trastuzumab deruxtecan, a targeted cancer medicine, and aims to see how well the scan can support treatment decisions.
Duarte, CaliforniaAges 18 years+ - NCT07581834RecruitingPhase 2
Dalpiciclib plus hormone therapy for early hormone-positive breast cancer
This study tests whether adding a new drug called dalpiciclib to standard hormone therapy improves outcomes for women with early-stage breast cancer that is hormone-receptor positive. The goal is to see if this combination is more effective and safe than hormone therapy alone.
Fuzhou, FujianAges 18 years+ - NCT04996316Enrolling by invitation
Breast cancer screening decision help for women 40–74
This trial tests a breast cancer screening risk and decision aid to help you and your clinician choose the right next steps for screening and referrals. You may benefit by getting clearer, personalized guidance based on your risk.
Portland, OregonAges 40–74 - NCT05983107RecruitingPhase 2
Chidamide/Everolimus for advanced breast cancer
This trial tests a combination of two drugs, chidamide and everolimus, for people with advanced HR+/HER2- breast cancer. It aims to see if the combination works for tumors with or without a PIK3CA gene mutation. You may be able to join if you've had previous treatment with CDK4/6 inhibitors and up to two prior chemotherapies.
Beijing, Beijing MunicipalityAges 18–75 - NCT05625659Recruiting
Breast cancer screening for dense breasts using new X-ray scans
This trial compares two imaging tests—CESM (a contrast-enhanced mammogram) and DBT (3D mammography)—to see which works best for women with dense breast tissue. It may help improve how early breast changes are found in dense breasts.
Birmingham, AlabamaAges 45–74 - NCT04315233RecruitingPhase 1
Testing two drugs for hard-to-treat triple-negative breast and ovarian cancer
This Phase 1 trial tests ribociclib plus belinostat in people with metastatic triple-negative breast cancer or recurrent ovarian cancer. It also looks at your tumor’s genetics (from a fresh biopsy) to see who might respond better.
Salt Lake City, UtahAges 18 years+ - NCT05992870Recruiting
Radiation before breast reconstruction with implants
This trial tests giving radiation therapy before surgery and immediate breast reconstruction using implants. It may help patients who need a mastectomy and know they will need radiation after.
Wuhan, HubeiAges 18–75 - NCT06605521Recruiting
Study on removing lymph nodes above the collarbone for breast cancer
This trial tests if removing cancerous lymph nodes above the collarbone helps treat breast cancer that has spread there. It aims to see if this surgery, along with standard treatments, is safe and effective.
Zhengzhou, HenanAges 18–80 - NCT05183126RecruitingPhase 4
Paclitaxel dose study using a 1-hour muscle-area infusion
This trial studies how paclitaxel (a chemotherapy medicine) behaves in the body when given by a specific 1-hour infusion approach. It may help refine dosing for people with cancer using measurements from scans, and it includes a medicine schedule you must match.
Ann Arbor, MichiganAges 18 years+ - NCT07354919RecruitingPhase 2
Testing axelopran for advanced cancer patients on opioids
This trial tests if axelopran can help people with advanced prostate, breast, pancreatic, or lung cancer who are taking opioid pain medicines. It aims to see if the drug is safe and helps with bowel function.
Saint Louis Park, MinnesotaAges 18 years+ - NCT07675967Recruiting
Blood Cell Changes During Cancer Treatment
This study is for people with solid tumors who are about to start chemotherapy or radiation. It looks at how these treatments affect blood cells and may help doctors understand changes in blood health over time.
Boston, MassachusettsAges 18 years+ - NCT07424547RecruitingPhase 1
Study of SYS6043 for advanced or metastatic solid tumors
This trial tests a new study drug (SYS6043) for people with advanced or metastatic solid tumors that have not responded to or are not candidates for standard therapies. The drug targets a protein called B7-H3 on cancer cells to help stop tumor growth.
Plantation, FloridaAges 18 years+ - NCT07524114Recruiting
Tracking cancer recurrence risk after treatment
This study uses advanced blood tests to detect tiny amounts of cancer DNA after you've completed cancer treatment. The goal is to catch any signs of cancer coming back as early as possible, which may help doctors intervene sooner.
Toronto, OntarioAges 18 years+ - NCT06998407RecruitingPhase 1/Phase 2
Study of AVZO-023 for advanced solid tumors
This trial tests a new drug, AVZO-023, alone or with other treatments, for people with advanced solid tumors that have not responded to standard therapy. The goal is to see if it can shrink tumors or slow their growth.
Los Angeles, CaliforniaAges 18 years+ - NCT05306041RecruitingPhase 2
Pre-surgery hormone therapy with or without PI3K inhibitor
This trial tests whether giving hormone-blocking treatment before surgery works better when combined with an added targeted drug for certain breast cancers. It may help shrink the tumor and improve outcomes for people whose tumors have specific hormone and genetic features.
Essen, North Rhine-WestphaliaAges 18 years+ - 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 - NCT06957886RecruitingPhase 3
Study of BL-M07D1 vs chemo for HER2-low breast cancer
This trial tests a new drug, BL-M07D1, against standard chemotherapy for people with HER2-low breast cancer that has spread or come back. It aims to find which treatment works better.
Guangzhou, GuangdongAges 18–75 - 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 - NCT06693024Recruiting
Neratinib after standard therapy for HER2-positive early breast cancer
This trial is testing whether adding neratinib after standard treatment helps prevent HER2-positive early breast cancer from coming back. It is open only to patients treated at Peking University People's Hospital.
Beijing, Beijing MunicipalityAges Any age - NCT05834764RecruitingPhase 2
Pyrotinib for high-risk HER2-positive early breast cancer
This Phase 2 trial tests pyrotinib, a HER2-targeted cancer medicine, in people with high-risk, HER2-positive breast cancer after surgery. It aims to lower the chance the cancer comes back, especially when standard treatment did not fully clear the tumor.
Nanjing, JiangsuAges 18–75 - NCT04638725Recruiting
Genetics study to find why HER2 breast cancer treatment varies
This study looks at genetic factors to understand why some people’s HER2-positive breast cancer responds better—or has more side effects—after treatment. Your info and possible past treatment history may help researchers improve how HER2 treatment is chosen and managed.
StrasbourgAges 18 years+ - NCT04481932RecruitingPhase 2
Trastuzumab with chemo for HER2-positive breast cancer
This Phase 2 study tests whether adding trastuzumab (a targeted antibody) given with chemo and extra drugs can better treat certain HER2-positive, locally advanced or inflammatory breast cancers. It may help by improving cancer control in people who have not had prior anti-cancer treatment for their breast cancer.
Beijing, Beijing MunicipalityAges 18–70 - NCT04576143RecruitingPhase 2/Phase 3
Dose-dense chemo before surgery for HER2-negative breast cancer
This trial studies a faster, higher-frequency chemotherapy schedule given before surgery for HER2-negative breast cancer. It aims to see if this approach works better and is safe for the patient’s cancer stage.
Hangzhou, ZhejiangAges 18–70 - 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
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Common questions
- Are there clinical trials for breast cancer?
- Yes. Clin2 currently lists 2,460 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.