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Real-World Data on First-line Treatment of Hormone Receptor-positive, HER2-negative, Metastatic Breast Cancer in Brazil

Completed
Conditions
Breast Cancer
Registration Number
NCT05034393
Lead Sponsor
Latin American Cooperative Oncology Group
Brief Summary

This study aims to describe in detail the patient journey from diagnosis to the beginning of treatment and patterns of care of hormone receptor- positive, HER2-negative de novo or recurrent metastatic breast cancer between January 2018 and December 2020 in Brazil.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
Female
Target Recruitment
308
Inclusion Criteria
  • Women ≥18 years old
  • Histologically confirmed hormone receptor-positive HER2-negative invasive breast cancer
  • Hormone receptor-positive defined as 1% to 100% of tumor nuclei positive for Estrogen - - Receptor and/or Progesterone Receptor, as per ASCO/CAP Guideline 2020 - or Allred score of ≥3
  • HER2-negative defined as IHC result is 0/1+ or 2+ with ISH negative as per ASCO/CAP Guideline 2018
  • Diagnosed with de novo or recurrent metastatic breast cancer between January 2018 -and December 2020
  • Public health system or private health system
Exclusion Criteria
  • Male Breast Cancer
  • First-line treatment for mBC received through clinical trial

Study & Design

Study Type
OBSERVATIONAL
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
The proportion of type of first-line treatmentfrom January 2018 to December 2020
Secondary Outcome Measures
NameTimeMethod
The PFS, defined as time from treatment start until progression (by image or physical exam) or deathfrom January 2018 to December 2020
First-line treatment according to the drug name by type of health care coverage (public vs private)from January 2018 to December 2020
The PFS will be evaluated by type of health care coverage (public vs private).from January 2018 to December 2020
Timeline from first symptom to diagnosisfrom January 2018 to December 2020
Timeline from diagnosis to the beginning of treatmentfrom January 2018 to December 2020
Patients' socioeconomic characteristicsfrom January 2018 to December 2020
Patients' demographics characteristicsfrom January 2018 to December 2020
BC pathological characterizationfrom January 2018 to December 2020
Timeline from diagnosis to molecular testfrom January 2018 to December 2020
Rate of diagnostic tests to define breast cancer molecular subtypes performedfrom January 2018 to December 2020

Trial Locations

Locations (15)

CPO - Centro Paraibano de Oncologia (Oncoclínicas)

🇧🇷

João Pessoa, Paraíba, Brazil

IGESDF - Instituto de Gestão Estratégica em Saúde do Distrito Federal

🇧🇷

Brasília, Distrito Federal, Brazil

CPO - Centro de Pesquisa em Oncologia do Hospital São Lucas da PUCRS

🇧🇷

Porto Alegre, Rio Grande Do Sul, Brazil

HINJA - Hospital Jardim Armália

🇧🇷

Volta Redonda, Rio De Janeiro, Brazil

INCA - Instituto Nacional de Câncer

🇧🇷

Rio De Janeiro, Brazil

CINPAM - Centro Integrado de Pesquisa da Amazônia

🇧🇷

Manaus, Amazonas, Brazil

Hospital Sírio-Libanês DF

🇧🇷

Brasília, Distrito Federal, Brazil

Instituto do Câncer Brasil - Unidade Pantanal

🇧🇷

Corumbá, Mato Grosso Do Sul, Brazil

CLION - Clínica de Oncologia (Oncoclínicas)

🇧🇷

Salvador, Bahia, Brazil

Instituto do Câncer Brasil - Unidade Três Lagoas

🇧🇷

Três Lagoas, Mato Grosso Do Sul, Brazil

Instituto de Hematologia e Oncologia Curitiba (Oncoclínicas)

🇧🇷

Curitiba, Paraná, Brazil

CEPESG - Centro de Pesquisa e Educação da Serra Gaúcha

🇧🇷

Caxias Do Sul, Rio Grande Do Sul, Brazil

HMV - Hospital Moinhos de Vento

🇧🇷

Porto Alegre, Rio Grande Do Sul, Brazil

Instituto do Câncer Brasil - Unidade Andradina

🇧🇷

Andradina, São Paulo, Brazil

CRIO - Centro Regional Integrado de Oncologia

🇧🇷

Fortaleza, Ceará, Brazil

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