Clinical trials
Metastatic Breast Cancer clinical trials
Below are recruiting metastatic breast cancer clinical trials, each written for real people, not researchers. We’re tracking 1,312 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06610565Recruiting
Fasting-mimicking diet for breast cancer side effects
This study tests if a special diet that mimics fasting can help reduce side effects from hormone therapy (aromatase inhibitors) in women with breast cancer. The diet is a low-calorie meal plan designed to lower cholesterol and improve well-being.
Milan, ItalyAges 18 years+ - NCT06606730RecruitingPhase 3
Personalized pembrolizumab after strong chemo response for early triple-negative breast cancer
This trial is for people with early triple-negative breast cancer who had a strong response to chemotherapy combined with pembrolizumab before surgery. It aims to find the best way to continue using pembrolizumab after surgery to reduce the risk of cancer coming back.
BrusselsAges 18 years+ - NCT06589830RecruitingPhase 2
TL938 with Trastuzumab for HER2+ Colorectal Cancer
This trial is testing a new combination of drugs (TL938 and trastuzumab) for people with a specific type of advanced colorectal cancer that is HER2-positive and RAS wild-type. It may offer a new option if you have already tried standard chemotherapy and a blood vessel-blocking drug.
Beijing, Beijing MunicipalityAges 18 years+ - NCT06555068RecruitingPhase 1/Phase 2
Study of HRS-6209 combinations for advanced breast cancer
This trial tests a new drug, HRS-6209, combined with different hormone treatments (fulvestrant, letrozole, HRS-8080, or HRS-1358) for people with advanced breast cancer that has spread or cannot be surgically removed and has worsened after previous treatments.
Shanghai, Shanghai MunicipalityAges 18–75 - NCT06562192RecruitingPhase 1
Testing a radioactive drug for advanced pancreatic, lung, breast, and colorectal cancers
This trial tests a new radioactive drug (177Lu-NNS309) for people with advanced pancreatic, lung, breast, or colorectal cancer that has not responded to prior treatments. It aims to see if the drug can target and shrink tumors.
Birmingham, AlabamaAges 18–100 - NCT06551116Recruiting
Better HER2 testing for HER2-low breast cancer on Enhertu
This study looks at using a more detailed lab test to measure HER2 levels in people with HER2-low metastatic breast cancer who are starting or have just started treatment with Enhertu. The goal is to see if this test can help doctors better understand who might benefit from Enhertu.
San Francisco, CaliforniaAges 18 years+ - NCT06551220Recruiting
T-DXd for advanced breast cancer with various HER2 levels
This study looks at how well the drug T-DXd (Enhertu) works against breast cancer that has spread or can't be removed with surgery. It includes patients with any level of HER2 protein, so it might be an option even if your cancer has low HER2.
New Haven, ConnecticutAges 18–80 - NCT06545942RecruitingPhase 1
Studying MOMA-313 for advanced or metastatic solid tumors
This trial tests a new oral drug, MOMA-313, alone or with another drug (olaparib), in people whose cancer has a specific DNA repair problem (HR-deficient mutation). It aims to see if the drug can shrink tumors or slow their growth.
Goodyear, ArizonaAges 18 years+ - NCT06547840RecruitingPhase 1
Study of MOv18 IgE for ovarian, endometrial, and breast cancers with a specific marker
This trial tests a new antibody treatment called MOv18 IgE for patients with advanced ovarian, endometrial, or triple-negative breast cancers that have a protein called folate receptor alpha (FRα) on their tumor cells. The goal is to see if the treatment is safe and effective.
BristolAges 18 years+ - NCT06545331RecruitingPhase 1
A study of XB010 for advanced solid tumors
This trial tests an investigational drug called XB010 for people with solid tumors that have spread or cannot be removed by surgery. It aims to see if XB010 is safe and effective for several cancer types, including lung, breast, head and neck, and esophageal cancers.
Irvine, CaliforniaAges 18 years+ - NCT06545682RecruitingPhase 1
Study of alpelisib and pembrolizumab for advanced breast cancer or melanoma
This trial tests a combination of two drugs, alpelisib and pembrolizumab, for people with advanced triple-negative breast cancer or melanoma that has spread. The goal is to see if the combination can help shrink tumors, including those that have spread to the brain.
Houston, TexasAges 18 years+ - NCT06533332RecruitingPhase 1
Testing ERX-315 for advanced solid tumors
This trial tests a new drug called ERX-315 for people with advanced solid tumors (like breast, ovarian, pancreatic, endometrial, or liver cancer) that have not responded to standard treatments. The goal is to see if the drug is safe and how well it works.
Ryde, New South WalesAges 18 years+ - NCT06533826RecruitingPhase 2
Testing two antibody drugs for HER2-low breast cancer
This trial tests two antibody-drug conjugates (Enhertu and Datroway) for breast cancer that is HER2-low or HER2-0. It aims to find the best treatment sequence for people whose cancer has stopped responding to prior therapy.
Birmingham, AlabamaAges 18 years+ - NCT06534125Recruiting
Acupuncture to prevent joint pain from hormone therapy in Black women
This study tests whether acupuncture can prevent joint pain caused by a common hormone therapy pill (aromatase inhibitor) in Black women who have finished treatment for early-stage breast cancer.
Atlanta, GeorgiaAges 18 years+ - NCT06518837RecruitingPhase 2
Tirzepatide for weight loss in early breast cancer
This study tests if tirzepatide (a weight loss drug) can help women and men with early-stage hormone receptor-positive breast cancer who are overweight or obese. The goal is to see if losing weight can improve outcomes after completing their initial breast cancer treatment.
Elizabeth, New JerseyAges 18 years+ - NCT06518057RecruitingPhase 2
Sparing memory during brain radiation for leptomeningeal metastases
This trial tests a special type of radiation that avoids the memory center of the brain (the hippocampus) while treating cancer that has spread to the lining of the brain and spinal cord. It may help reduce side effects on thinking and memory for people with breast or lung cancer.
San Francisco, CaliforniaAges 18 years+ - NCT06517212RecruitingPhase 2
Tirzepatide for weight loss in MRD-positive early breast cancer
This study tests whether the weight-loss drug tirzepatide (Mounjaro) can help prevent breast cancer from coming back in people who are overweight and have a sign of leftover cancer cells in their blood (called MRD-positive). You must have already finished at least one year of hormone therapy for early-stage breast cancer.
Dallas, TexasAges 18 years+ - NCT06525766RecruitingPhase 2
Adaptive capecitabine therapy for metastatic ER+ HER2− breast cancer
This trial tests whether adjusting the dose of the oral chemotherapy capecitabine over time can control metastatic breast cancer that is estrogen-receptor positive (ER+) and HER2−. It is designed for patients who are starting capecitabine or have just started it, and the study will monitor blood changes and tumor response closely.
Scottsdale, ArizonaAges 18 years+ - NCT06503783RecruitingPhase 1
Study of BL-M17D1 for advanced breast cancer and solid tumors
This trial tests a new drug, BL-M17D1, for people with advanced breast cancer (HER2 positive or negative) or other solid tumors that have spread. It aims to see if the drug is safe and effective.
Harbin, HeilongjiangAges 18–75 - NCT06500481RecruitingPhase 3
Proton vs standard radiation for cancer spread to brain/spine lining
This trial compares a newer type of radiation (proton therapy) to standard radiation for people whose breast or lung cancer has spread to the lining of the brain and spinal cord. It aims to see if proton therapy can better control the disease while causing fewer side effects.
Phoenix, ArizonaAges 18 years+ - NCT06502691RecruitingPhase 1/Phase 2
New imaging test to measure PARP in metastatic breast cancer
This trial tests a new imaging scan called [18F]FTT PET that may show how much of a protein called PARP is in your tumors. This could help doctors decide if a PARP inhibitor (a type of targeted therapy) is right for you. You may be able to join if you have metastatic breast cancer and are already planning to take a PARP inhibitor.
Seattle, WashingtonAges 18 years+ - NCT06507930Recruiting
Supporting advanced breast cancer patients at home on hospice
This study explores how to best support people with advanced breast cancer who are receiving hospice care at home. It includes short video or phone check-ins and a survey to learn about your experience.
Boston, MassachusettsAges 18 years+ - NCT06493864RecruitingPhase 1
BL-B16D1 for advanced breast cancer and solid tumors
This trial tests a new drug called BL-B16D1 for people with advanced breast cancer or other solid tumors that have not responded to standard treatments. The goal is to see if the drug is safe and how well it works.
Shanghai, Shanghai MunicipalityAges 18–75 - NCT05107674RecruitingPhase 1
Early drug study for advanced cancers that have limited options
This Phase 1 study tests NX-1607 in adults with advanced cancers that are hard to treat with standard care. It focuses on safety and early signs of how well the drug may work in specific cancer types.
Duarte, CaliforniaAges 18 years+
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Common questions
- Are there clinical trials for metastatic breast cancer?
- Yes. Clin2 currently lists 1,312 recruiting metastatic 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 metastatic 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 metastatic 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
- Breast Cancer Early Stage Breast Cancer (Stage 1-3)
- Breast Cancer (Triple Negative Breast Cancer (TNBC))
- Locally Advanced or Metastatic Breast Cancer
- Metastatic Triple-negative Breast Cancer
- HER2-positive Metastatic Breast Cancer
- Advanced/Metastatic Breast Cancer
- Non-metastatic Breast Cancer
- Advanced or Metastatic Breast Cancer
Beyond the search
We also like to point to nonprofits doing real good in this area. We aren’t affiliated with them — we just admire the work.
- Stand Up To CancerPeople facing cancer across many types, through the research that leads to better treatments.
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.