Clinical trials
Breast Cancer Early Stage Breast Cancer (Stage 1-3) clinical trials
Below are recruiting breast cancer early stage breast cancer (stage 1-3) clinical trials, each written for real people, not researchers. We’re tracking 40 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT04517266Recruiting
Testing less radiation to the inner breast area
This trial studies whether some patients with early-stage breast cancer can safely skip a specific part of radiation to the inner chest (called internal mammary irradiation). It may reduce radiation side effects while still aiming to prevent the cancer from coming back.
Shanghai, Shanghai MunicipalityAges 18–80 - NCT05512364RecruitingPhase 3
Elacestrant for ER-positive, HER2-negative breast cancer with ctDNA relapse
This trial tests whether elacestrant can help stop or delay breast cancer coming back in people whose blood test shows “ctDNA relapse” after early breast cancer treatment. It’s meant for hormone receptor–positive, HER2-negative breast cancer patients who are already taking hormone (endocrine) therapy and have no visible spread on scans.
AnderlechtAges 18 years+ - NCT06823414Recruiting
Robotic-assisted nipple-sparing mastectomy trial
This trial tests a robotic-assisted surgery technique for women who need a mastectomy but can keep their skin and nipple. It aims to improve outcomes for breast cancer patients and those at high risk.
A Coruña, GaliciaAges 18 years+ - NCT06765707Enrolling by invitation
Monitoring symptoms to improve medication use in breast cancer
This trial tests if tracking how you feel and reporting your symptoms can help women with hormone receptor-positive breast cancer take their hormone-blocking medication more consistently. It may be a good fit if you have been prescribed aromatase inhibitors or similar therapy and have had trouble taking it as directed.
Chicago, IllinoisAges 18 years+ - NCT04985266RecruitingPhase 2
Watch blood DNA for early breast cancer return, then add palbociclib
This study checks for early signs that ER-positive, HER2-negative breast cancer may be coming back by testing your blood for cancer DNA. If signs are found, it tests whether adding palbociclib plus fulvestrant works better than standard hormone therapy alone to prevent recurrence.
AngersAges 18 years+ - NCT06723990Recruiting
HER2 breast cancer treatment decision study
This study tests a tool called HER2DX to help doctors choose the best treatment for early stage HER2 positive breast cancer. It may help tailor therapy before or after surgery.
Milan, ItalyAges 18 years+ - NCT06762977Recruiting
Study on her2-positive early-stage breast cancer treatment
This study looks at how well a new test can help manage her2-positive early-stage breast cancer. It includes patients who have had treatment before or after surgery with trastuzumab and possibly pertuzumab.
BrindisiAges 18 years+ - NCT06917313RecruitingPhase 2
Fezolinetant for hot flashes in women with breast cancer on hormone therapy
This trial tests a drug called fezolinetant to see if it reduces hot flashes in women with HR+ breast cancer who are on hormone therapy (like tamoxifen or aromatase inhibitors). You need to be postmenopausal and having at least 7 moderate to severe hot flashes a day.
New Haven, ConnecticutAges 18 years+ - NCT06890221Recruiting
Nutrition therapy before and after breast cancer surgery
This trial tests if a special nutrition drink before and after mastectomy can help breast cancer patients recover better. It uses a body measurement called bioimpedance phase angle to see how nutrition affects your cells and healing.
Petaling Jaya, Kuala LumpurAges 18 years+ - NCT06885671Recruiting
Shorter vs fewer radiation sessions for breast cancer
This trial compares two types of partial breast radiation: one session versus several shorter sessions. It aims to see if a single treatment is as effective and more convenient for women with early-stage breast cancer.
Prince George, British ColumbiaAges 40 years+ - NCT06679387RecruitingPhase 2
Memantine to prevent paclitaxel nerve damage in breast cancer
This trial tests whether the drug memantine can help prevent or reduce nerve pain and other side effects caused by the chemotherapy drug paclitaxel in breast cancer patients. If you are about to start weekly paclitaxel, this study may offer extra protection to your nerves.
CairoAges 18 years+ - NCT07106632RecruitingPhase 3
Genomic test to guide chemotherapy in young women with breast cancer
This trial uses a genomic test called Prosigna to help decide whether young women with hormone-sensitive breast cancer need chemotherapy after surgery. It aims to avoid unnecessary chemotherapy in those who can safely skip it.
BrusselsAges 35–45 - NCT06970912RecruitingPhase 2
ctDNA-Guided Reduced Chemo in HR+/HER2- Breast Cancer
This study is testing whether using a ctDNA blood test can help doctors decide if patients with hormone receptor-positive, HER2-negative breast cancer can safely receive less intensive chemotherapy after surgery. The goal is to reduce side effects while still preventing the cancer from coming back.
Beijing, Beijing MunicipalityAges 18–75 - NCT06085742RecruitingPhase 2
CMC chemotherapy for early stage breast cancer
This trial tests a chemotherapy combination (CMC) for people with early-stage, hormone receptor-positive, HER2-negative breast cancer who have a high risk of recurrence. It aims to understand if this oral regimen is effective and tolerable.
Chicago, IllinoisAges 18 years+ - NCT06834204Enrolling by invitation
Better care coordination for cancer survivors
This study tests a program to improve communication between your cancer team and your regular doctor. If you have heart or diabetes risks and you're being treated for breast, prostate, bladder, or endometrial cancer, this trial may help coordinate your care.
New Brunswick, New JerseyAges 18 years+ - NCT06341621RecruitingPhase 3
Skipping chemo for ER+/HER2- breast cancer with 1–3 positive nodes
This trial tests whether skipping chemotherapy is safe for women with a specific type of early-stage breast cancer (ER-positive, HER2-negative) that has spread to 1–3 lymph nodes. Instead of chemo, you would receive a targeted pill called abemaciclib after standard hormone therapy.
ShanghaiAges 18–80 - NCT06676761Recruiting
Study of a new minimal scar mastectomy
This trial is testing a new surgical technique that leaves a smaller scar during mastectomy for breast cancer. It may be a good option if you want to keep the scar as small as possible.
SingaporeAges Any age - NCT06728527Recruiting
Partial breast reconstruction with chest wall flap
This trial tests a specific type of partial breast reconstruction called a chest wall perforator flap. It's for women who previously had a lumpectomy and now want to improve the shape of their breast.
Cambridge, CambridgeshireAges 18 years+ - NCT06777420Recruiting
Question list for breast cancer patients before chemo
This study tests whether a list of helpful questions can improve communication and care for breast cancer patients who will receive chemotherapy before surgery. It aims to support patients in talking with their doctors about what matters most to them.
Uppsala, Region UppsalaAges 18 years+ - NCT06781996RecruitingPhase 3
Digital tool to help manage hormone therapy side effects
This trial tests a digital tool (a smartphone app) to help women and men with early breast cancer manage side effects from hormone therapy. The goal is to improve quality of life during treatment.
VillejuifAges 18 years+ - NCT06800612Recruiting
Cancer drug therapy study for gynecologic or breast cancers
This study looks at how well different cancer drugs work for women with breast or gynecologic cancers. Researchers will review medical records to see how patients responded to treatment over time. If you have been treated for breast or gynecologic cancer since 2010, you may be eligible.
BolognaAges 18 years+ - NCT06807502Recruiting
Blood test for breast cancer follow-up
This trial uses a simple blood test (ScreenCell device) to look for circulating tumor cells (CTCs) in women. It aims to see if CTCs help monitor breast cancer during follow-up, including for those with metastatic or newly diagnosed breast cancer, as well as healthy volunteers.
Neuilly-sur-SeineAges 18 years+ - NCT06902051Recruiting
Side-lying position for left breast cancer radiation
This trial tests whether lying on your right side during radiation therapy for left breast cancer can reduce side effects. It is for women who have had surgery for newly diagnosed left breast cancer and need radiation.
Guangzhou, Guangdong ProvinseAges 18–70 - NCT06927180RecruitingPhase 2
Study of SHR-A1811 plus pertuzumab before surgery for HER2+ breast cancer
This trial tests a combination of two targeted drugs (SHR-A1811 and pertuzumab) given before surgery to shrink HER2-positive breast cancer. It aims to see if this approach improves outcomes for patients with early-stage but high-risk disease.
Zhengzhou, HenanAges 18–70
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Common questions
- Are there clinical trials for breast cancer early stage breast cancer (stage 1-3)?
- Yes. Clin2 currently lists 40 recruiting breast cancer early stage breast cancer (stage 1-3) 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 breast cancer early stage breast cancer (stage 1-3) 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 breast cancer early stage breast cancer (stage 1-3) 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.