Granulocyte-macrophage colony-stimulating factor (GM-CSF) ameliorates chemotherapy-induced neutropenia in children with solid tumors

L. J. van Pelt, A. J. de Craen, N. E. Langeveld, R. S. Weening

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Neutropenia is one of the risk factors for severe therapy-related morbidity in childhood malignancies. We have studied the potential of GM-CSF to shorten the neutropenic period after normal-dose chemotherapy in children who were treated for solid tumors. Patients with osteosarcomas, with Ewing sarcomas, or with rhabdomyosarcomas received 10 daily subcutaneous doses GM-CSF (Leucomax, 5 micrograms/kg) after a course of normal-dose chemotherapy in an open-label study. Because these patients were treated with different combinations of chemotherapeutic agents, they were randomized before each pair of identical courses of chemotherapy to receive GM-CSF after the first or after the second course. Fourteen such combinations could be evaluated in eight patients. The results show that GM-CSF significantly reduced the mean duration of the chemotherapy-induced neutropenia (mean reduction +/- SEM in days: 2.2 +/- 0.6, P = .003). There was no significant difference between the mean number of days with fever in either group. GM-CSF was well tolerated by all patients. We conclude that GM-CSF reduced the mean neutropenic period in children with solid tumors who were treated with standard-dose chemotherapy
Original languageEnglish
Pages (from-to)539-545
JournalPediatric hematology and oncology
Issue number6
Publication statusPublished - 1997

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