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Brief Title: Radiotherapy With Extreme Hypofractionation in Patients With Breast Cancer in Brazil: a Retrospective Cohort Study
Official Title: Radiotherapy With Extreme Hypofractionation in Patients With Breast Cancer in Brazil: a Retrospective Cohort Study
Study ID: NCT05776147
Brief Summary: The radiotherapy scheme with extreme hypofractionation has gained space in clinical practice and, therefore, it is necessary to analyze the Brazilian national experience in selected patients with breast cancer, with the aim of evaluating the oncological outcomes and toxicities with the use of this treatment protocol.
Detailed Description: All patients diagnosed with breast cancer who meet the eligibility criteria at participating centers will be included. Data will be collected from medical records at selected centers. Data collection will start from the location activation date. Data from up to 500 patients are expected to be collected at centers across Brazil. Patients recruited for this study will be identified at participating centers. Data on clinical, demographic and socioeconomic variables will be collected, as well as data on treatments performed and outcomes. The patient data sources will be the patients' medical records. Patients will continue to receive treatment and clinical evaluations for their illness as determined by their medical team, in accordance with the standards of care and usual clinical practice at each center. No intervention is proposed in this study.
Minimum Age: 18 Years
Eligible Ages: ADULT, OLDER_ADULT
Sex: FEMALE
Healthy Volunteers: No
ICC - Instituto do Câncer do Ceará, Fortaleza, Ceará, Brazil
Hospital Sírio-Libanês DF, Brasília, Distrito Federal, Brazil
Hospital Márcio Cunha da Fundação São Francisco Xavier (HMC-FSFX), Ipatinga, Minas Gerais, Brazil
Oncominas - Clínica de Oncologia no Sul de Minas, Pouso Alegre, Minas Gerais, Brazil
Real Hospital Português de Beneficência em Pernambuco, Recife, Pernambuco, Brazil
Hospital das Clínicas da Faculdade de Medicina de Ribeirão Preto - USP, Ribeirão Preto, São Paulo, Brazil
Instituto COI - Clínicas Oncológicas Integradas (Instituto Américas RJ), Rio De Janeiro, , Brazil
Hospital Sírio-Libanês SP, São Paulo, , Brazil
HAOC - Hospital Alemão Oswaldo Cruz, São Paulo, , Brazil
BP - A Beneficência Portuguesa de São Paulo, São Paulo, , Brazil
A.C. Camargo Cancer Center, São Paulo, , Brazil
Name: Gustavo Nader Marte
Affiliation: Latin American Cooperative Oncology Group
Role: PRINCIPAL_INVESTIGATOR