Clinical trials
Breast Cancer Stage I clinical trials
Below are recruiting breast cancer stage i clinical trials, each written for real people, not researchers. We’re tracking 1,170 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06802757RecruitingPhase 2
Study of posaconazole with immunotherapy and chemo for triple-negative breast cancer
This trial tests if adding posaconazole (an antifungal drug) to standard immunotherapy and chemotherapy before breast cancer surgery works better than just the standard treatment. It is for people with newly diagnosed, early-stage triple-negative breast cancer.
Jinan, ShandongAges 18–70 - NCT06802172Recruiting
Timing meals during cancer treatment for Alaska Native patients
This study tests whether scheduling meals at specific times of day can improve how patients feel during cancer treatment. It is for Alaska Native or American Indian people with certain cancers (rectal, HER2+ or triple negative breast, or other solid tumors) who are receiving neoadjuvant (before surgery) or adjuvant (after surgery) therapy.
Anchorage, AlaskaAges 21 years+ - NCT06787339RecruitingPhase 2
Capecitabine for low-risk triple negative breast cancer
This trial tests whether a chemotherapy pill called capecitabine can help people with low-risk triple negative breast cancer after surgery. It is for patients with stage I disease who have certain features that suggest a lower chance of recurrence.
Shanghai, Shanghai MunicipalityAges 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+ - NCT06776861Recruiting
Radiation plus immunotherapy for advanced breast cancer
This study looks at combining radiation therapy with immunotherapy for advanced breast cancer that has spread or cannot be surgically removed. The goal is to see if adding radiation after treatment helps improve outcomes.
Beijing, Beijing MunicipalityAges 18 years+ - NCT06781762Recruiting
Breast cancer hormone therapy and its effects on heart and brain
This study looks at how starting a common hormone therapy for breast cancer (aromatase inhibitors) affects your heart and brain health over the short term. It compares women starting this treatment to healthy women who are not on the therapy.
Toronto, OntarioAges Any age - NCT06762496Recruiting
A tool to help you stay involved in your breast cancer care
This study is testing a new tool designed to help you take a more active role in your healthcare journey. It's for people with early-stage breast cancer that can be surgically removed.
Milan, ItalyAges 18 years+ - NCT06764095RecruitingPhase 4
Drug combo before bladder or ureter surgery for advanced cancer
This trial tests two drugs, enfortumab vedotin and pembrolizumab, given before surgery to remove the bladder or ureter in people with advanced bladder or upper urinary tract cancer that has spread to lymph nodes or other organs. The goal is to see if this treatment helps shrink the cancer and improves outcomes.
Rochester, MinnesotaAges 18 years+ - NCT06763328RecruitingPhase 3
Metformin for insulin resistance after breast cancer chemo
This study tests if metformin, a common diabetes medicine, can help reduce insulin resistance in women who finished chemotherapy for early-stage breast cancer. It aims to improve long-term health and prevent future problems.
Duarte, CaliforniaAges 18 years+ - NCT06768268Enrolling by invitationPhase 1/Phase 2
Better lymph node imaging for breast cancer
This trial tests whether adding two common fluids (Mannitol and Voluven) before an ICG dye injection can help surgeons better see the lymph nodes that need to be removed during breast cancer surgery. It aims to make sentinel lymph node biopsies more accurate and safer.
Hsinchu CountyAges 20–70 - NCT06768931RecruitingPhase 2
Combination therapy before surgery for triple-negative breast cancer
This trial tests adding an immunotherapy drug to standard chemotherapy before surgery for triple-negative breast cancer. The goal is to see if this combination works better than chemotherapy alone.
Lanzhou, GansuAges 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+ - NCT06748222RecruitingPhase 3
Online mindfulness program for breast cancer survivors
This trial tests a 6-week online mindfulness program to help breast cancer survivors manage mild to moderate depression. You may qualify if you finished active treatment within the last 5 years and can use a digital device.
Phoenix, ArizonaAges 18–50 - NCT06733350RecruitingPhase 4
Testosterone therapy for low testosterone in men with low-risk prostate cancer
This study tests whether testosterone replacement therapy can safely improve low testosterone levels in men with low-risk prostate cancer who are not getting immediate treatment. It aims to help men feel better without worsening their cancer.
Buffalo, New YorkAges 18 years+ - NCT06727773RecruitingPhase 2
Memantine and exercise to protect thinking during chemo for breast cancer
This study tests whether a medicine called memantine combined with a structured exercise program can help protect your thinking and memory during chemotherapy for breast cancer. It may also help understand how these treatments work in the body.
Chapel Hill, North CarolinaAges 18 years+ - NCT06721065Recruiting
Study of interpretation services for breast cancer patients
This study tests different ways of providing language interpretation during breast cancer or gastrointestinal cancer visits at MSK. It aims to improve communication for patients who prefer Spanish or Mandarin and have limited English proficiency.
Basking Ridge, New JerseyAges 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+ - NCT03740893RecruitingPhase 2
Test drug to block DNA damage in triple-negative breast cancer
This Phase 2 trial studies a treatment given around the time of breast surgery to help shrink or control residual (remaining) triple-negative breast cancer. It also checks biomarkers (lab signals) to understand who benefits, with some people receiving anti–PD-L1 immunotherapy and some not.
Bournemouth, DorsetAges 18 years+ - NCT06704191RecruitingPhase 1/Phase 2
Bladder cancer treatment at home
This trial tests whether patients with early-stage bladder cancer can safely receive their usual bladder chemotherapy or immunotherapy at home instead of in the clinic. It aims to make treatment more convenient while keeping it effective.
Jacksonville, FloridaAges 18 years+ - NCT06694519Recruiting
Radiofrequency and exercise for pelvic floor issues after breast cancer
This trial tests whether radiofrequency therapy combined with exercise can help with pelvic floor problems like pain, urgency, or incontinence that some women have after breast cancer treatment.
Elche, Spain / ValenciaAges 18 years+ - NCT06611813RecruitingPhase 2
Chemo plus immunotherapy for HR+/HER2- breast cancer
This trial tests whether adding an immunotherapy drug (toripalimab) to standard chemotherapy before surgery can help treat HR+/HER2- breast cancer. It is for women with early-stage breast cancer that has not spread to other parts of the body.
HangzhouAges 18–75 - NCT06671691Enrolling by invitationPhase 1
Single-dose radiation for low-risk breast cancer
This trial tests a single, high-precision dose of radiation to the tumor instead of standard surgery or multiple radiation sessions. It is for women with a small, low-risk breast cancer who cannot or choose not to have surgery.
Palma, Balearic IslandsAges Any age - NCT06680596Enrolling by invitationPhase 2
Blood test to find T-DXd candidates for breast cancer
This trial uses a blood test to look for tumor DNA in women with a certain type of advanced breast cancer (HR-positive, HER2-low). If the DNA doesn't disappear after starting standard hormone therapy with a CDK4/6 inhibitor, participants may be switched to a targeted drug called T-DXd (trastuzumab deruxtecan).
AmiensAges 18 years+ - NCT06678269RecruitingPhase 1
Abemaciclib and radiation for metastatic breast cancer
This trial tests whether a targeted therapy (abemaciclib) combined with focused radiation (SBRT) to a bone tumor can help people with advanced breast cancer. It is for patients whose cancer is hormone receptor positive and HER2 negative, and who will continue abemaciclib after radiation.
Basking Ridge, New JerseyAges 18 years+
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Common questions
- Are there clinical trials for breast cancer stage i?
- Yes. Clin2 currently lists 1,170 recruiting breast cancer stage i 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 stage i 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 stage i 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 Early Stage Breast Cancer (Stage 1-3)
- Breast Cancer (Triple Negative Breast Cancer (TNBC))
- Anatomic Stage IV Breast Cancer AJCC v8
- Anatomic Stage III Breast Cancer AJCC v8
- Anatomic Stage II Breast Cancer AJCC v8
- Anatomic Stage I Breast Cancer AJCC v8
- Early-stage Breast Cancer
- Breast Cancer Stage III
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.