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Brief Title: Hypofractionated Versus Conventional Fractionation Radiotherapy
Official Title: Hypofractionated Versus Conventional Fractionation Radiation After Conservative Surgery or Mastectomy With Irradiation of Lymph Node Drainage: a Phase II Randomized Clinical Trial for the Evaluation of Acute Toxicity
Study ID: NCT04015531
Brief Summary: This study was designed to evaluate the acute toxicity and quality of life of hypofractionated radiation versus conventional when regional node irradiation is indicated after breast-conserving surgery or mastectomy.
Detailed Description: Investigators hypothesize that hypofractionated radiotherapy is equal effective and safe as conventional radiotherapy in breast cancer patients undergoing regional nodal irradiation. Eligible breast cancer patients are randomized 1:1 into the following two groups: 1. Hypofractionated therapy: 40 Gy in 15 fractions of 2.67 Gy in breast or chest wall and nodal drainage with Concurrent boost 48.0 Gy / 3.2 Gy daily in tumor bed, in case of conservative surgery; 2. Standard fractionation: 50 Gy in 25 fractions in breast or chest wall and nodal drainage with sequential tumor bed boost with 10 Gy in 5 fractions in tumor bed in case of conservative surgery. Patients will be followed for 6 months after radiotherapy to evaluate acute toxicity and quality of life.
Minimum Age: 18 Years
Eligible Ages: ADULT, OLDER_ADULT
Sex: FEMALE
Healthy Volunteers: No
Name: Gabriel Oliveira B Gil, MD
Affiliation: Baleia Hospital
Role: PRINCIPAL_INVESTIGATOR