Clinical trials
Premenopausal Breast Cancer clinical trials
Below are recruiting premenopausal breast cancer clinical trials, each written for real people, not researchers. We’re tracking 125 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06471205RecruitingPhase 2
Study of BL-B01D1 plus immunotherapy for advanced triple-negative breast cancer
This study tests a new drug combination (BL-B01D1 plus an immunotherapy) for people with advanced triple-negative breast cancer who have not had prior treatment for their advanced disease. The goal is to see if the combination works better at shrinking or controlling the cancer.
Shanghai, Shanghai MunicipalityAges 18–75 - 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 - NCT07647263RecruitingPhase 2
New Drug Treatment Before Surgery for HER2-Positive Breast Cancer
This trial tests a new drug called trastuzumab rezetecan given before surgery for early-stage HER2-positive breast cancer. It's designed for patients whose cancer doesn't respond well to standard HER2-targeted treatments.
Suzhou, JiangsuAges 18 years+ - NCT06830889RecruitingPhase 3
BL-M07D1 vs T-DM1 for HER2-positive breast cancer after neoadjuvant therapy
This trial tests whether a new drug called BL-M07D1 works better than an existing drug, T-DM1, for people with HER2-positive breast cancer who still have cancer cells after initial treatment (neoadjuvant therapy). The goal is to prevent the cancer from coming back.
Nanjing, JiangsuAges 18–75 - NCT05461768RecruitingPhase 1
BL-M07D1 for HER2-positive or HER2-low breast cancer
This Phase 1 study tests BL-M07D1, a new investigational medicine, in people with HER2-positive or HER2-low breast cancer (and other solid tumors) that can’t be operated on or has spread. It aims to find a safe dose and learn how well the treatment may work based on HER2 levels in tumor tissue.
Fuzhou, FujianAges 18–75 - NCT05470348RecruitingPhase 1
Test drug BL-B01D1 for advanced breast and other solid cancers
This Phase 1 trial tests BL-B01D1 in people with advanced (unresectable or metastatic) breast cancer and certain other solid tumors that have not worked with standard treatment. The goal is to learn if the drug can be given safely and to see whether it shows signs of benefit.
Guangzhou, GuangdongAges 18–75 - NCT05744687RecruitingPhase 2/Phase 3
Letrozole plus SPH4336 versus letrozole alone for breast cancer
This study tests whether adding SPH4336 to letrozole works better than letrozole plus a placebo for treating hormone-receptor–positive, HER2-negative breast cancer in people starting first-line treatment. It may help slow cancer growth more effectively if the added drug is beneficial.
Fuzhou, FujianAges 18–75 - 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 - 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 - NCT07330544RecruitingPhase 2
Study of entinostat with anlotinib or fulvestrant for advanced breast cancer
This trial tests adding entinostat (a drug that may help hormone therapy work better) to anlotinib or fulvestrant for people with HR-positive, HER2-negative advanced breast cancer that has worsened after prior hormone therapy and a CDK4/6 inhibitor. It aims to find a new treatment option for those who cannot use chemotherapy yet.
Zhejiang, HangzhouAges 18 years+ - NCT05075512RecruitingPhase 2
Anlotinib with fulvestrant for advanced, HR-positive, HER2-negative breast cancer
This trial studies whether adding anlotinib (a targeted medicine) to fulvestrant (a hormone-blocking injection) can improve outcomes for people with advanced HR-positive, HER2-negative breast cancer. It focuses on safety and effectiveness when cancer has returned or progressed after hormone treatments.
Hangzhou, ZhejiangAges 18 years+ - NCT07285382RecruitingPhase 2
Dalpiciclib plus letrozole for advanced HR+ HER2- breast cancer
This trial tests a new combination of two drugs (dalpiciclib and letrozole) as a first treatment for advanced breast cancer that is hormone receptor positive and HER2 negative. It aims to find the best dose to slow or stop cancer growth.
Dalian, LiaoningAges 18–75 - 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 - NCT05696626RecruitingPhase 3
Test a new pill plus abemaciclib versus standard therapy
This Phase 3 study compares lasofoxifene plus abemaciclib versus fulvestrant plus abemaciclib for ER-positive, HER2-negative breast cancer that has an ESR1 mutation. It looks for better tumor control in people whose cancer has progressed on hormone therapy (an aromatase inhibitor) and who meet specific safety and testing requirements.
Scottsdale, ArizonaAges 18 years+ - NCT06874933RecruitingPhase 2
Chemo plus anlotinib and benmelstobart for HR+/HER2- breast cancer
This trial tests adding anlotinib (a targeted therapy) and benmelstobart (an immunotherapy) to standard chemotherapy before surgery for a specific type of breast cancer. It may help shrink tumors and improve outcomes for patients whose tumors have certain markers.
Hangzhou, ZhejiangAges 18–75 - NCT06905301Recruiting
Study on breast cancer medication with a mobile app
This study compares how well breast cancer patients take their medication (ribociclib) with or without using a mobile app. It aims to see if the app helps patients stick to their treatment plan.
Pskov, RussiaAges 18–90 - NCT07498478RecruitingPhase 2
Tinengotinib and fulvestrant for advanced HR+ HER2- breast cancer
This trial tests a new drug called tinengotinib combined with the hormone therapy fulvestrant for people with HR-positive, HER2-negative breast cancer that has come back or spread. It is for those who have already tried a CDK4/6 inhibitor and at least one hormone therapy.
Guangzhou, GuangdongAges 18 years+ - NCT04892693RecruitingPhase 2
Talazoparib for advanced breast cancer with DNA repair defects
This trial studies talazoparib (a targeted pill) in people with advanced breast cancer whose tumors have problems repairing certain DNA damage. If your tumor has these specific “DNA repair” defects, the medicine may work better and stop the cancer from growing.
SeoulAges 19 years+ - NCT07400523RecruitingPhase 3
Ribociclib for breast cancer with leftover disease after chemo
This trial tests ribociclib, a targeted therapy, for women with hormone receptor-positive, HER2-negative breast cancer who still have cancer cells in the breast or lymph nodes after initial chemotherapy. It aims to reduce the chance of cancer coming back.
Zhanjiang, GuangdongAges 18 years+ - NCT06727487Recruiting
Ovarian suppression and exercise in young breast cancer patients
This trial tests whether adding a supervised exercise program helps women with hormone-positive breast cancer who are receiving ovarian suppression therapy. It looks at how exercise affects treatment side effects, quality of life, and long-term health.
MadridAges 18–45 - NCT05879926RecruitingPhase 3
Testing chemo after hormone therapy in premenopausal early breast cancer
This Phase 3 trial checks whether adding chemotherapy after standard hormone-blocking treatment works better for some premenopausal women with early-stage, ER-positive, HER2-negative breast cancer. It targets patients with limited lymph node spread and a lower-to-intermediate tumor “recurrence” risk score.
Birmingham, AlabamaAges 18–60 - NCT06953882RecruitingPhase 2
Skipping chemo after surgery for ER+ HER2- breast cancer
This study tests whether some people with a certain type of breast cancer (ER-positive, HER2-negative) can safely skip chemotherapy. After surgery, they receive a targeted pill (ribociclib) plus hormone therapy instead. The goal is to see if this approach works just as well with fewer side effects.
New Haven, ConnecticutAges 18 years+ - NCT07395336RecruitingPhase 2
Elacestrant and exemestane for HR+/HER2- breast cancer that has spread
This trial tests combining elacestrant (a new hormone therapy) with exemestane (a standard hormone therapy) for people whose HR+/HER2- breast cancer has spread and who have already tried a CDK4/6 inhibitor with anastrozole or letrozole. It may help if your tumor shows certain activity on a special PET scan.
Milan, ItalyAges 18 years+ - NCT07203729RecruitingPhase 2
Trastuzumab rezetecan for her2-low breast cancer with visceral crisis
This trial tests a new antibody-drug combination called trastuzumab rezetecan (SHR-A1811) in people with a specific type of breast cancer (HER2-low) that has spread and is causing serious organ problems (visceral crisis). The goal is to see if this treatment can help when organs like the liver or lungs are rapidly failing due to the cancer.
Beijing, Beijing MunicipalityAges 18–75
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Common questions
- Are there clinical trials for premenopausal breast cancer?
- Yes. Clin2 currently lists 125 recruiting premenopausal 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 premenopausal 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 premenopausal 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.