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Browse 4,817 clinical trials for breast cancer. Find studies that match your criteria and connect with research centers.
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Showing 101-120 of 4,817 trials
NCT07527689
For patients with breast cancer, regional nodal irradiation (RNI) can significantly reduce the risks of recurrence and mortality. Moderate hypofractionated regimens (40 to 42.5 Gy in 15 to 16 fractions over 3 weeks) is the established standard of care for RNI. Nevertheless, for the majority of patients, a three - week treatment duration is still regarded as lengthy. Although the ultra-hypofractionated regimen (26 Gy in 5 fractions over 1 week) has been proven non-inferior to the moderate hypofractionated regimen for whole breast irradiation, unambiguous evidence supporting its use in comprehensive RNI remains lacking, especially in high risk patients requiring internal mammary node irradiation (IMNI). This prospective, non-inferiority trial is designed to address this evidence gap by evaluating whether a one-week, ultra-hypofractionated regimen (26 Gy in 5 fractions) is non-inferior to the three-week regimen (40 Gy in 15 fractions) for comprehensive RNI, including IMNI.
NCT07527819
This study aims to collect information about the effects of chemotherapy combined with immunotherapy (immune checkpoint inhibitors) for early-stage triple-negative breast cancer (TNBC) on ovarian function and fertility. You may be eligible for this study if you have been diagnosed with early-stage TNBC and are planning to receive neoadjuvant chemotherapy combined with immunotherapy before surgery. Additional eligibility criteria apply. Participants who choose to enroll will be asked to complete questionnaires and provide blood samples before and after treatment to measure hormone levels related to ovarian function. Information about menstrual patterns, fertility preservation discussions, and reproductive health will also be collected. Some participants may undergo ultrasound assessments to evaluate ovarian reserve and endometrial thickness. Follow-up will continue for up to 24 months after treatment to assess long-term ovarian function. No additional or experimental cancer treatments will be provided as part of this study. This is an observational study only, and participants will receive standard cancer treatment as recommended by their treating team. It is hoped this research will provide important information about the potential effects of chemotherapy and immunotherapy on ovarian health and fertility in women receiving treatment for early-stage TNBC.