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Brief Title: A Dose Escalation Study of Proton and Carbon Ion Irradiation for HER2 Positive and Triple Negative Breast Cancer
Official Title: A Dose Escalation Study of Proton and Carbon Ion Irradiation for HER2 Positive and Triple Negative Breast Cancer After Breast Conserving Surgery
Study ID: NCT05692661
Brief Summary: Adjuvant radiotherapy is the standard treatment for early breast cancer after breast conserving surgery. Molecular subtypes was significantly associated with the risk of local recurrence of breast cancer. Nguyen et al found that the overall 5-year cumulative incidence of local recurrence was 0.8% for luminal A, 1.5% for luminal B, 8.4% for HER2 positive, and 7.1% for triple negative breast cancer after lumpectomy and radiotherapy. Her2 positive and triple negative breast cancers may be inherently radioresistant. Therefore, for HER2 positive and triple negative breast cancer with high local recurrence and radiation resistance, proton combined with carbon ion is proposed after breast conserving surgery.
Detailed Description:
Minimum Age: 18 Years
Eligible Ages: ADULT, OLDER_ADULT
Sex: FEMALE
Healthy Volunteers: No
Shanghai Proton and Heavy Ion center, Shanghai, , China