Clinical trials
Unresectable Breast Cancer clinical trials
Below are recruiting unresectable breast cancer clinical trials, each written for real people, not researchers. We’re tracking 266 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06790693RecruitingPhase 3
Inavolisib plus hormone therapy for advanced breast cancer
This trial tests a new targeted therapy, inavolisib, combined with standard hormone therapy and a CDK4/6 inhibitor for people with a specific genetic mutation (PIK3CA) in their hormone receptor-positive, HER2-negative advanced breast cancer that has not been treated before. It compares this combination to a placebo plus the same standard treatments.
Goodyear, ArizonaAges 18 years+ - NCT06727227Recruiting
Study of Enhertu for HER2-low breast cancer
This study looks at how well the drug Enhertu works for patients with HER2-low breast cancer that has spread. If you are already planning to start Enhertu, researchers will collect data from your regular care to learn more about its effectiveness.
Panagyurishte, PazardzhikAges 18 years+ - NCT06679036RecruitingPhase 1/Phase 2
Combination therapy for advanced breast cancer
This trial tests new drug combinations for advanced or metastatic breast cancer. It aims to see if adding HRS-2189, HRS-6209, or HRS-1358 to standard treatments works better. Participants must have tried certain hormone therapies or chemotherapies before.
Harbin, HeilongjiangAges 18–75 - NCT06625775RecruitingPhase 1
Study of BBO-10203 for advanced solid tumors
This trial tests a new drug called BBO-10203, alone or combined with other cancer treatments, for people with certain advanced breast, colorectal, or lung cancers. It aims to see if the drug is safe and effective.
Duarte, CaliforniaAges 18 years+ - NCT06616987RecruitingPhase 2
Preventing neutropenia from sacituzumab govitecan in TNBC
This trial tests whether a drug called sacituzumab govitecan can help prevent a low white blood cell count (neutropenia) in people with metastatic triple-negative breast cancer. It is for patients who have already received some chemotherapy but need a new treatment option.
SeoulAges 19 years+ - 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 - 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 - 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+ - 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+ - 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 - NCT06488378RecruitingPhase 1
Axatilimab and olaparib for BRCA/PALB2-mutated breast cancer
This trial tests combining two drugs – axatilimab and olaparib (a PARP inhibitor) – for people with advanced HER2-negative breast cancer that carries a BRCA or PALB2 gene mutation. The goal is to see if this new combination is safe and effective.
Boston, MassachusettsAges 18 years+ - NCT06079983RecruitingPhase 3
JSKN003 vs. doctor's choice for HER2-low breast cancer
This trial compares a new experimental drug, JSKN003, to standard treatments chosen by your doctor for advanced breast cancer that tests as HER2-low (IHC 1+ or 2+ but not amplified). It's for people whose cancer has spread or can't be removed and who have already had one or two lines of chemotherapy.
Guangzhou, GuangdongAges 18 years+ - NCT06439693RecruitingPhase 2
Sequential therapy for newly diagnosed HER2+ breast cancer that has spread
This trial tests a sequence of targeted therapies for people newly diagnosed with HER2-positive breast cancer that has spread to other parts of the body. The goal is to find a treatment plan that can potentially cure the cancer.
Boston, MassachusettsAges 18 years+ - NCT06434064RecruitingPhase 2
Tamoxifen and chemotherapy for triple negative breast cancer
This trial tests a combination of tamoxifen (a hormonal therapy) and pegylated liposomal doxorubicin (a type of chemotherapy) for people with triple negative breast cancer that has spread or cannot be removed by surgery. It aims to see if this combination can help people whose cancer has not responded to at least two prior treatments.
Buffalo, New YorkAges 18 years+ - NCT06395519RecruitingPhase 1/Phase 2
Study of ETX-19477 for advanced solid tumors
This trial tests an experimental drug called ETX-19477 for people with advanced solid tumors that have stopped responding to other treatments. It aims to see if the drug is safe and effective, especially for those with certain genetic changes (BRCA2 mutations).
Phoenix, ArizonaAges 18 years+ - NCT06382948RecruitingPhase 3
Elacestrant and everolimus for ESR1-mutant advanced breast cancer
This trial tests a new combination of two oral targeted therapy pills (elacestrant and everolimus) for people with a specific type of advanced breast cancer. It is for those whose cancer has an ESR1 mutation and has stopped responding to CDK4/6 inhibitors and hormone therapy.
InnsbruckAges 18 years+ - NCT05216432RecruitingPhase 1
RLY-2608 for PIK3CA-mutant advanced solid tumors and breast cancer
This early study (Phase 1) tests RLY-2608, a targeted cancer drug for tumors with a PIK3CA mutation. It studies the drug alone and combined with hormone therapy (and sometimes CDK4/6 or CDK4 medicines) to see safety, dose, and whether it can shrink tumors.
Tucson, ArizonaAges 18 years+ - NCT06324240RecruitingPhase 1
Personalized vaccine plus immunotherapy for triple-negative breast cancer
This trial tests a personalized vaccine made from your tumor combined with immunotherapy drugs (pembrolizumab or ipilimumab) for triple-negative breast cancer. It aims to help your immune system recognize and attack cancer cells.
Atlanta, GeorgiaAges 18 years+ - NCT06298084RecruitingPhase 1/Phase 2
HER3-DXd for Advanced Breast Cancer After T-DXd
This study tests a new drug called HER3-DXd (alone or combined with other medicines) for people with advanced breast cancer that has already been treated with T-DXd (Enhertu) and then got worse. The goal is to see if the new drug can shrink tumors safely.
Villejuif, FranceAges 18 years+ - NCT06293898RecruitingPhase 1
Study of BL-M07D1 for HER2-positive solid tumors
This trial tests a new drug, BL-M07D1, for people with advanced solid tumors that have a protein called HER2. It is for patients who have already tried at least two other standard treatments.
Birmingham, AlabamaAges 18 years+ - NCT06279364RecruitingPhase 3
Testing SKB264 vs standard chemo for advanced triple-negative breast cancer
This trial tests a new drug called SKB264 against standard chemotherapy options for people with advanced triple-negative breast cancer who have not yet received chemotherapy for their advanced disease. The goal is to see if SKB264 works better than the usual treatments.
Shanghai, Shanghai MunicipalityAges 18–75 - NCT06042894RecruitingPhase 2
Study of two drugs for advanced HER2-negative breast cancer
This trial tests two experimental drugs, SI-B003 and BL-B01D1 plus SI-B003, for people with HER2-negative breast cancer that has spread or cannot be removed by surgery. It is for those who have tried standard treatments or cannot have them.
Shanghai, Shanghai MunicipalityAges 18–75 - NCT06263543RecruitingPhase 2
Sequencing antibody-drug conjugates in ER+, HER2-low breast cancer
This trial tests different sequences of antibody-drug conjugates (a type of targeted chemotherapy) for people with ER-positive, HER2-low or ultra-low metastatic breast cancer that has stopped responding to hormone therapy and has progressed on Enhertu. You must have had 1–4 prior chemotherapies for metastatic disease.
Miami, FloridaAges 18 years+
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Common questions
- Are there clinical trials for unresectable breast cancer?
- Yes. Clin2 currently lists 266 recruiting unresectable 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 unresectable 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 unresectable 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.