Clinical trials
Metastatic Breast Cancer ( HER2 Negative) clinical trials
Below are recruiting metastatic breast cancer ( her2 negative) clinical trials, each written for real people, not researchers. We’re tracking 486 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT04852887RecruitingPhase 3
Testing shorter breast radiation after low-risk hormone breast cancer
This Phase 3 trial studies whether “less intense” radiation can work as well as standard radiation for certain early-stage hormone receptor–positive, HER2-negative breast cancers that have a low Oncotype DX score. It may help reduce treatment burden while keeping cancer control strong.
Birmingham, AlabamaAges 50–70 - NCT04680715RecruitingPhase 2
Tested radiation before and after breast surgery in older women
This Phase 2 trial looks at a specific radiation timing and technique around the time of breast-conserving surgery. It may help reduce the chance the cancer comes back in selected older patients with certain early-stage, hormone-positive, HER2-negative breast cancers.
Clermont-FerrandAges 65 years+ - NCT06254690RecruitingPhase 2
Pyrotinib dosing study for HER2-positive advanced breast cancer
This trial tests different doses of pyrotinib, a targeted therapy, for women with HER2-positive advanced breast cancer that has not yet been treated for recurrence. It aims to find the best dosing regimen to control the cancer.
Nanjing, JiangsuAges 18–70 - NCT04923542RecruitingPhase 1/Phase 2
Targeted drug plus focused brain radiation for breast cancer
This study tests whether abemaciclib (a targeted pill) given with focused radiation to brain tumors can control hormone receptor–positive, HER2-negative breast cancer in the brain. It’s designed to see if the combination helps shrink or slow the growth of brain metastases while keeping side effects manageable.
Tampa, FloridaAges 18 years+ - NCT06656624RecruitingPhase 2
Ribociclib plus hormone therapy for advanced breast cancer
This trial tests a new approach: starting with a targeted pill (ribociclib) plus hormone therapy (an aromatase inhibitor), instead of immediate chemotherapy, for women with a specific type of breast cancer (ER low-positive, HER2-negative) that is growing quickly. If eligible, you would not have received any prior treatment for your advanced cancer.
Nanjing, JiangsuAges 18–99 - NCT07145255RecruitingPhase 1/Phase 2
Study of MBRC-201 for advanced solid tumors
This trial tests a new drug, MBRC-201, for people with advanced solid tumors that have not responded to standard treatments. The goal is to find the best dose and see if it helps shrink tumors or slow their growth.
San Francisco, CaliforniaAges 18 years+ - NCT06821490Enrolling by invitation
TAD biopsy for HER2+ breast cancer with positive lymph nodes
This trial tests the accuracy of a targeted axillary dissection (TAD) after chemotherapy in people with HER2+ breast cancer that has spread to the lymph nodes. It aims to see if the TAD method can correctly identify which lymph nodes are cancer-free before surgery.
Valencia, ValenciaAges 18 years+ - NCT05000294RecruitingPhase 1/Phase 2
Atezolizumab plus tivozanib for hard-to-treat “cold” cancers
This early-stage study tests whether combining atezolizumab and tivozanib can shrink advanced, hard-to-treat cancers that do not strongly activate the immune system (“immunologically cold”). It is for people whose cancer has already been treated or has no good standard options.
Gainesville, FloridaAges 18–99 - 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 - NCT05408845RecruitingPhase 2
Study drug vs standard care for HER2 salivary gland cancer
This Phase 2 trial tests how well ado-trastuzumab emtansine (and compares to two standard treatment options) works for salivary gland cancers that are HER2-positive or HER2-low. It aims to see whether the study drug can control cancer better and with acceptable side effects.
Birmingham, AlabamaAges 18 years+ - NCT07215364Recruiting
Exercise and quality of life in early breast cancer on hormone therapy
This trial tests if a supervised exercise program can improve quality of life for people with early-stage breast cancer who are currently taking hormone therapy (aromatase inhibitors with or without CDK4/6 inhibitors). It aims to see if exercise helps reduce side effects like fatigue and pain.
L'Hospitalet de Llobregat, BarcelonaAges 18 years+ - NCT06172478RecruitingPhase 2
HER3-DXd for advanced solid tumors after prior treatment
This trial tests a new targeted drug called HER3-DXd for people with several types of advanced solid tumors that have stopped responding to standard treatments. The drug is an antibody-drug conjugate, designed to deliver chemotherapy directly to cancer cells that have a protein called HER3 on their surface.
Duarte, CaliforniaAges 18 years+ - NCT07046923RecruitingPhase 1
A study of LY4175408 for advanced cancer
This trial tests a new targeted drug (LY4175408) for people with certain advanced solid tumors (lung, endometrial, or triple negative breast cancer) who have already tried standard treatments. The goal is to see if the drug is safe and effective.
Stanford, CaliforniaAges 18 years+ - NCT05372614RecruitingPhase 1
Testing trastuzumab deruxtecan and neratinib for HER2-positive cancers
This trial tests a combination of two targeted drugs, trastuzumab deruxtecan (Enhertu) and neratinib, for people with solid tumors that have a HER2 gene change. The goal is to see if the combination is safe and works well for cancers that have not responded to at least one prior treatment.
Duarte, CaliforniaAges 18 years+ - NCT04389632RecruitingPhase 1
Sigvotatug vedotin for advanced solid tumors that spread
This early-stage study tests a drug called sigvotatug vedotin in people with advanced solid cancers that cannot be removed or have spread. It aims to see how well the treatment works and what side effects it causes.
Anchorage, AlaskaAges 18 years+ - NCT04501523RecruitingPhase 2
ctDNA-guided immunotherapy boost after chemotherapy for triple-negative breast cancer
This Phase 2 study checks whether a blood test that looks for cancer DNA (ctDNA) can help decide who should get an extra 12-month immunotherapy treatment after standard chemotherapy and surgery. It may help reduce the chance of the cancer coming back in people with triple-negative breast cancer.
Guandong, GuangdongAges 18–80 - NCT04819243RecruitingPhase 2
Test a BRCA-targeted drug plan for advanced ER-positive breast cancer
This Phase 2 study tests how well a treatment plan using palbociclib followed by talazoparib (and possibly atezolizumab) works in certain people with advanced ER-positive breast cancer. It may help by targeting cancer biology linked to BRCA/HRD changes and by strengthening how the cancer is controlled.
Seoul, Gannam-guAges 19 years+ - NCT07369505RecruitingPhase 1
A study of Sapu003 for advanced tumors sensitive to mTOR
This trial tests a new drug, Sapu003, in people with certain advanced cancers that may respond to mTOR-targeted therapy. It is looking at two groups: postmenopausal women with a type of breast cancer (HR+/HER2-), and adults with kidney, liver, neuroendocrine, or TSC-related tumors. The goal is to see if Sapu003 is safe and effective.
AdelaideAges 18 years+ - NCT07283692RecruitingPhase 2
New drug combo for triple-negative breast cancer before surgery
This trial tests a new drug, serplulimab, combined with standard chemotherapy (paclitaxel and carboplatin) given before surgery for triple-negative breast cancer. The goal is to see if this combination can shrink tumors more effectively.
ShanghaiAges 18–70 - NCT06735131RecruitingPhase 2
Radiation and immunotherapy for advanced triple-negative breast cancer
This study tests a combination of radiation therapy and immunotherapy for people with advanced triple-negative breast cancer who haven't had chemotherapy for their advanced disease. It aims to see if adding radiation to standard chemotherapy can help shrink tumors and improve outcomes.
Guangzhou, GuangdongAges Any age - NCT06706570Recruiting
PIK3CA gene testing for breast cancer
This trial tests for a specific gene change (PIK3CA mutation) in your breast cancer cells. The results will help doctors decide if a targeted treatment is right for you. It's for people with hormone-receptor-positive, HER2-negative breast cancer that has spread and not yet been treated in that setting.
Milan, MIAges 18 years+ - NCT06498154RecruitingPhase 2
Skipping breast surgery for some patients after chemo
This trial tests whether women with certain aggressive breast cancers (HER2-positive without hormone receptors, or triple-negative) can safely skip breast surgery if chemotherapy makes their tumor completely disappear. The goal is to avoid surgery and its side effects when it may no longer be needed.
TianjinAges 18–70 - NCT06439771RecruitingPhase 2
Testing YL202 for advanced breast cancer
This trial tests a new drug called YL202 for people with advanced breast cancer. It is for those who have already tried certain targeted treatments (HER2 or TROP2 antibody-drug conjugates) and they stopped working. The goal is to see if YL202 can help shrink tumors or slow cancer growth.
Shanghai, Shanghai MunicipalityAges 18–75 - NCT06377852RecruitingPhase 3
CDK4/6 inhibitor dosing study for older adults with metastatic breast cancer
This study tests two targeted therapy drugs, palbociclib and ribociclib, combined with hormone therapy for people aged 60 or older with hormone receptor-positive, HER2-negative metastatic breast cancer. The goal is to see how well this treatment works and to gather information that may help improve dosing for older adults.
Chandler, ArizonaAges 60 years+
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Common questions
- Are there clinical trials for metastatic breast cancer ( her2 negative)?
- Yes. Clin2 currently lists 486 recruiting metastatic breast cancer ( her2 negative) 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 ( her2 negative) 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 ( her2 negative) 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 (Triple Negative Breast Cancer (TNBC))
- HER2-negative Breast Cancer
- Breast Cancer Early Stage Breast Cancer (Stage 1-3)
- Metastatic Triple-negative Breast Cancer
- HER2-positive Metastatic Breast Cancer
- Metastatic HER2-Negative Breast Carcinoma
- HR-positive, HER2-negative Advanced Breast Cancer
- Hormone Receptor Positive / HER2-negative Breast Cancer
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.