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[OPERa Study].

P Tesařová

    Klinicka Onkologie : Casopis Ceske a Slovenske Onkologicke Spolecnosti
    |December 11, 2013
    PubMed
    Summary

    Chemotherapy-induced febrile neutropenia (FN) risk factors, including regimen myelotoxicity and patient age, were identified. Pegfilgrastim prophylaxis significantly reduced FN incidence in high-risk cancer patients.

    Area of Science:

    • Oncology
    • Hematology
    • Pharmacology

    Background:

    • International guidelines recommend granulocyte-colony stimulating factors (G-CSFs) for chemotherapy-induced febrile neutropenia (FN) risk >20%.
    • EORTC guidelines suggest considering patient-related factors like elderly age for intermediate-risk chemotherapy.
    • This study investigated FN risk factors and pegfilgrastim use in the Czech Republic.

    Purpose of the Study:

    • To identify key FN risk factors influencing pegfilgrastim prophylaxis decisions in clinical practice.
    • To evaluate the incidence of FN, chemotherapy dose intensity, anti-infective use, hospitalization, and safety.
    • To compare FN rates between patients receiving and not receiving pegfilgrastim prophylaxis.

    Main Methods:

    • Prospective, multicenter, non-interventional study design.

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  • Enrolled patients receiving chemotherapy with high FN risk (≥20% per EORTC guidelines).
  • Data collected on patient demographics, cancer type, risk factors, and treatment outcomes.

    • Main Results:

    • 333 patients with breast, lymphoma, ovarian, lung, and testicular cancers were analyzed.
    • Primary G-CSF prophylaxis indications included myelotoxic regimen (96%), elderly age (36%), and advanced disease (35%).
    • FN incidence was 3% with pegfilgrastim prophylaxis versus 12% without.

    Conclusions:

    • Chemotherapeutic regimen myelotoxicity was the primary FN risk factor identified.
    • Elderly age and advanced stage disease were significant secondary FN risk factors.
    • Pegfilgrastim prophylaxis was associated with a low FN incidence in high-risk patients.