Efficacy and Safety of Ultra_HYPofractionated RadiotHerapy in Women With BrEast CaNcer Receiving Regional Nodal Radiation vs Nodal Moderate Hypofractionated Radiotherapy (HYPHEN)
Malignant Breast Neoplasm
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About this trial
This is an interventional treatment trial for Malignant Breast Neoplasm focused on measuring Dose splitting, Acute and late toxicity, Locoregional drainage irradiation, Breast neoplasm, Overall survival, Disease-free survival, Locoregional control
Eligibility Criteria
Inclusion Criteria: Information to the patient and signed informed consent; Women aged ≥18 years; Breast conserving surgery; Invasive adenocarcinoma (except classic invasive lobular carcinoma); TNM (Tumor, Nodes, Metastasis) pathologic stage pT1-3 and pN1-3a M0, with indication of lymphatic drainage according to institutional protocol; Eastern Cooperative Oncology Group (ECOG) 0 -1; Minimum microscopic margin of non-cancerous tissue of 2 mm (excluding deep margin if in the deep fascia); No previous breast or mediastinal radiotherapy; No hematogenous metastases; Ability to carry out long-term follow-up; Exclusion Criteria: Previous local irradiation; Concomitant chemotherapy. Concomitance with trastuzumab or hormone blockade will be allowed; Histology of metaplastic carcinoma; History of another neoplasm: non-melanoma skin cancer, carcinoma in situ of the uterine cervix. Another neoplasm treated with curative intent and without evidence of disease in the last 5 years will be allowed. Diagnosis of autoimmune and connective tissue diseases; Diagnosis of genetic alterations in cell repair genes (Ex: Fanconi anemia, ataxia teleangiectasia); Indication of internal breast irradiation.
Sites / Locations
- IBCC OncologiaRecruiting
Arms of the Study
Arm 1
Arm 2
Active Comparator
Experimental
Standard Whole breast Radiotherapy
Ultra-hypofractionated whole breast radiotherapy
Standard Radiation: Whole Breast Irradiation, at 40 Gy, in 15 fractions and drainage
Ultra-hypofractionated radiation: Ultra-hypofractionated whole breast radiotherapy, 26 Gray (26Gy) in 5 fractions for one week