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  • Title: Clinical effect of prophylactic pegfilgrastim in patients with newly diagnosed acute lymphoblastic leukemia who receive intensive chemotherapy.
    Author: Lee Y, Jang Y, Lee JM, Cho HJ, Moon JH, Sohn SK, Ham JY, Chang SH, Baek DW.
    Journal: Support Care Cancer; 2024 Oct 08; 32(11):715. PubMed ID: 39377915.
    Abstract:
    BACKGROUND: Using granulocyte colony-stimulating factor (G-CSF) after completing chemotherapy reduces the duration of neutropenia and infections. However, the efficacy and safety of prophylactic pegfilgrastim in acute lymphoblastic leukemia (ALL) patients have not yet been evaluated after intensive cytotoxic chemotherapy compared to the daily G-CSF. This study aimed to evaluate the efficacy of pegfilgrastim for ALL patients who received intensive chemotherapy compared with a short-acting G-CSF. PATIENTS AND METHODS: Clinical data of 145 patients treated with hyper-CVAD, modified VPDL/VPD, or KALLA 1406/1407 regimen were retrospectively evaluated. Pegfilgrastim or the short-acting G-CSF was selected according to the clinician's discretion. Patients not receiving pegfilgrastim were treated with the short-acting G-CSF. RESULTS: The median age of enrolled patients was 45 years. Sixty newly diagnosed ALL patients were treated with hyper-CVAD regimen, while KALLA and VPDL regimens were administered to 39 and 46 patients, respectively. Among the 60 patients treated with hyper-CVAD, 20 patients received pegfilgrastim. Patients who received pegfilgrastim had a significantly shorter duration of neutropenia and hospitalization and reduced incidence of severe infections compared to patients receiving the short-acting G-CSF. Consistent results were also confirmed in an analysis targeting only patients who achieved remission during hyper-CVAD induction therapy. There was no significant difference in neutrophil recovery ability and hospitalization duration when the daily short-acting G-CSF was used prophylactically after completing hyper-CVAD, KALLA, and VPDL regimens as induction therapy. CONCLUSION: Using pegfilgrastim after hyper-CVAD therapy was more effective than the short-acting G-CSF in terms of infection, neutropenia recovery, and hospitalization in patients with newly diagnosed ALL.
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