Clinical trials
ER+ Breast Cancer clinical trials
Below are recruiting er+ breast cancer clinical trials, each written for real people, not researchers. We’re tracking 554 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- 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 - NCT07278726Recruiting
Targeted removal of only suspicious lymph nodes for early breast cancer
This trial is testing a targeted surgical approach to remove only the suspicious lymph nodes under the arm for people with early-stage, hormone receptor positive, HER2 negative breast cancer. The goal is to see if this less extensive surgery is safe and effective when there is limited lymph node involvement.
Bologna, ItalyAges 18–90 - NCT07243002Recruiting
Patient outcomes with ribociclib or abemaciclib for early breast cancer
This study looks at how women and men with stage II or III HR+ HER2- breast cancer do when they start treatment with ribociclib or abemaciclib (combined with hormone therapy) after surgery. Researchers want to understand real-world experiences and results.
LondonAges 18 years+ - NCT07180693Recruiting
Breast cancer that returns after CDK4/6 inhibitor treatment
This study looks at patients whose breast cancer returns after starting a CDK4/6 inhibitor (like abemaciclib or ribociclib) along with hormone therapy. The goal is to understand why the cancer comes back and find better ways to treat it.
Bergamo, ItalyAges 18 years+ - NCT06643585RecruitingPhase 3
Comparing T-DXd to standard therapy for molecular relapse in early breast cancer
This trial compares a new drug called Trastuzumab-Deruxtecan (T-DXd) to standard treatment for people with early breast cancer whose cancer has come back at a molecular level (detected by a blood test) but hasn't spread to other parts of the body. The goal is to see if T-DXd can prevent the cancer from returning.
UlmAges 18–75 - NCT07074106RecruitingPhase 2
Lower chemo with tumor-fighting cells for stage I-II breast cancer
This trial tests whether giving less chemotherapy is safe when patients have high levels of tumor-infiltrating lymphocytes (TILs) — a sign that the body's immune system is already fighting the cancer. It is for women with early-stage, triple-negative breast cancer.
BrasíliaAges 18 years+ - NCT06963905RecruitingPhase 1/Phase 2
Testing a combination drug for triple-negative breast cancer
This trial is testing a combination of three drugs—sacituzumab govitecan, nivolumab, and relatlimab—for people with metastatic triple-negative breast cancer that has progressed after at least one prior therapy. You may qualify if you have this specific type of breast cancer and have received certain prior treatments.
New Haven, ConnecticutAges 18 years+ - 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+ - NCT06709651Recruiting
Gut bacteria treatment for triple-negative breast cancer
This trial tests whether a treatment that targets your gut bacteria (microbiome) can help fight triple-negative breast cancer before surgery. It is for people with newly diagnosed, untreated triple-negative breast cancer that has not spread far.
Cork, MunsterAges 18 years+ - NCT06666439Recruiting
Tracking lobular breast cancer with a blood test
This study is testing a new blood test that looks for cancer DNA to track how lobular breast cancer responds to treatment. It is for people whose cancer has spread and who have not yet started treatment for the spread.
Pittsburgh, PennsylvaniaAges 18 years+ - NCT06627712RecruitingPhase 3
SBRT with immunotherapy and chemo for early-stage triple-negative breast cancer
This trial tests whether combining targeted radiation (SBRT) with immunotherapy (PD-1 inhibitor) and chemotherapy can improve outcomes for people with early-stage triple-negative breast cancer that has not spread far. It aims to find a more effective treatment option.
Sichuan, ChengduAges 18–65 - NCT06507618RecruitingPhase 3
Pre-surgery hormone therapy to guide radiation decisions for breast cancer
This trial tests whether taking hormone therapy for 3 months before breast-conserving surgery can help doctors decide if radiation is right for you. It is for women aged 65 and older with a common type of breast cancer that is hormone receptor-positive and HER2-negative.
New Haven, ConnecticutAges 65 years+ - NCT06481956Enrolling by invitationPhase 2
T-DM1 plus a CDK4/6 inhibitor (ribociclib) for HER2-positive breast cancer
This clinical trial tests a combination of two targeted therapies for people with HER2-positive breast cancer that has spread or come back. The goal is to see if adding ribociclib to T-DM1 is safe and effective after other treatments have been used.
Hangzhou, ZhejiangAges 18–75 - NCT06139107RecruitingPhase 1
Radiation and abemaciclib plus letrozole before breast cancer surgery
This trial combines a short course of radiation before surgery with two oral medications (abemaciclib and letrozole) to treat early-stage, hormone-sensitive breast cancer. The goal is to see if this approach can shrink the tumor and improve outcomes.
Belleville, New JerseyAges 60 years+ - NCT06134375RecruitingPhase 1/Phase 2
TM plus capecitabine for triple-negative breast cancer
This trial tests a drug called tetrathiomolybdate (TM) combined with capecitabine for people with triple-negative breast cancer who still have cancer cells after standard chemotherapy and surgery. The goal is to see if this combination can help prevent the cancer from coming back.
Indianapolis, IndianaAges 18–80 - NCT06078384RecruitingPhase 2
Pembrolizumab and chemo for early-stage triple-negative breast cancer
This trial studies whether adding pembrolizumab (an immunotherapy) to standard chemotherapy after surgery can improve outcomes for people with early-stage triple-negative breast cancer. The treatment you receive depends on the level of immune cells (TILs) found in your tumor.
AmiensAges 18 years+ - NCT05749588RecruitingPhase 2
Study for advanced triple-negative breast cancer after prior treatments
This Phase 2 trial tests a treatment for people with triple-negative breast cancer that has come back or spread and has continued to progress despite earlier therapies. It may help by trying a new approach in patients who still have enough health to safely receive more treatment.
ShanghaiAges 18 years+ - NCT05693766RecruitingPhase 2
Gene test guides treatment for hormone-positive breast cancer
This trial studies whether a gene-signature test can help guide treatment choices for people with hormone receptor–positive (ER and/or PR) breast cancer that has spread or can’t be fully removed. It may help find the best therapy approach after prior hormone therapy and targeted cancer medicine.
Birmingham, AlabamaAges 18 years+ - NCT05525767RecruitingPhase 4
Bevacizumab plus chemo before surgery for HER2-negative breast cancer
This trial studies whether adding bevacizumab (an anti-blood-vessel medicine) to chemotherapy before surgery improves treatment outcomes for people with HER2-negative breast cancer. It’s mainly for tumors that are stage II to IIIC and have not had prior cancer treatment.
Shijiazhuang, HebeiAges 18 years+ - NCT05464082RecruitingPhase 2
Collect tumor samples to guide early breast cancer recurrence care
This Phase 2 study tests a “precision” approach using tumor sample testing to help predict, prevent, and treat early metastatic recurrence in triple-negative or hormone-receptor–low, HER2-negative breast cancer. If you qualify, you’ll be asked to provide tumor tissue before (or in place of) standard chemotherapy, so researchers can learn which tumor features matter most.
Salt Lake City, UtahAges 18 years+ - NCT04265872RecruitingEarly Phase 1
Bortezomib then pembrolizumab and cisplatin for metastatic triple-negative breast cancer
This early-phase trial tests a new treatment plan for people with metastatic triple-negative breast cancer that has already been treated with standard chemotherapy. It aims to see how well the combination works and whether it’s safe.
Dallas, TexasAges 18 years+ - NCT05059444Recruiting
Blood test to catch cancer early after treatment
This study looks for signs of cancer left in the body after treatment using a simple blood test (called a liquid biopsy). It aims to see if the test can catch cancer that might come back earlier than regular scans.
Birmingham, AlabamaAges 18 years+ - NCT07114601RecruitingPhase 1
Study of LY4257496 for people with GRPR-positive solid tumors
This trial tests a new drug, LY4257496, in people with certain types of cancer that have a protein called GRPR on their cells. The study aims to see if the drug can help shrink tumors or slow the cancer's growth.
Duarte, CaliforniaAges 18 years+
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Common questions
- Are there clinical trials for er+ breast cancer?
- Yes. Clin2 currently lists 554 recruiting er+ 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 er+ 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 er+ 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.