Breast Cancer Female, Breast Neoplasm Female
Conditions
Keywords
febrile neutropenia, neutropenia
Brief summary
The purpose of this observational study is to evaluate real-world safety and efficacy of pegfilgrastim (Neulasta) administered as secondary prophylaxis in Korean female patients with breast cancer receiving chemotherapy regimens recently covered under national health insurance. This is a prospective, observational, open-label trial with a target enrollment of 1400 subjects. Primary endpoint The primary aim of this study is to determine the incidence of febrile neutropenia. Secondary endpoint Major secondary endpoint include a) Incidence of bone pain, b) All adverse events, c) Percentage of patients with RDI (relative dose intensity) ≥ 85%
Interventions
None listed
Sponsors
Study design
Eligibility
Inclusion criteria
* ≥ 19 years old, and ≤ 64 years old, and * Female patients with breast cancer receiving chemotherapy recently covered under national health insurance (only chemotherapy regimens in the table below), and * Patients with neutropenic events (febrile neutropenia or grade 4 neutropenia) in any previous cycle that did not use G-CSF for the prevention of neutropenia
Exclusion criteria
Patients with any of the followings are excluded. * Patients with a history of allergic reactions to E-coli derived proteins, human granulocyte colony-stimulating factors such as pegfilgrastim or filgrastim * Uses for off-label indications such as chronic myelogenous leukemia, myelodysplastic syndrome
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The incidence of febrile neutropenia after secondary prophylaxis with pegfilgrastim | From the cycle of chemotherapy before administration of next cycle of chemotherapy (approximately 3weeks) |
Secondary
| Measure | Time frame |
|---|---|
| The incidence of bone pain, or percentage of patients with relative dose intensity (RDI) or all adverse events as assessed by CTCAE | During the study period (~ 1months follow-up) |
Countries
South Korea