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  • Title: Tolerability and efficacy of GM-CSF [Leucomax] in patients with small cell lung cancer treated with intensive chemotherapy.
    Author: Walewski J, Romejko-Jarosińska J, Zwoliński J, Falkowski S, Siedlecki P.
    Journal: Med Oncol; 1996 Dec; 13(4):199-205. PubMed ID: 9152970.
    Abstract:
    The aim of this study was to evaluate tolerability and efficacy of Leucomax (Sandoz/Schering Plough) used for neutropenia in patients with small cell lung cancer (SCLC) treated with etoposide and cisplatin. The potential influence of granulocyte-macrophage colony stimulating factor (GM-CSF) on chemotherapy relative dose intensity (RDI) was also evaluated. The chemotherapy used was the following, cisplatin 50 mg m-2 i.v. 1 and 7 day, etoposide 170 mg m-2 i.v. 3-5 days, q 3-4 weeks. Patients received a median of six cycles (range 2-8) over 4-36 weeks (median: 20). Thirty-two consecutive patients were treated, six were excluded. Eleven patients received GM-CSF 5 micrograms kg-1 s.c. due to absolute neutrophil count (ANC), 1000/mm3 until recovery (ANC > 2000 mm3) or during 7 days, and thereafter prophylactically 24 hours post subsequent chemotherapy cycles for 7 days. Four patients received single GM-CSF course during the terminal disease phase. In 11 patients, there was no neutropenia requiring GM-CSF during the whole treatment course. Toxicity of chemotherapy was high, including thrombocytopenia, neutropenia, anaemia, mucositis, fever and hypotension. GM-CSF toxicity was the following, first dose reaction-one patient, local erythema-two patients, arthralgia-one patient, hypotension, chills, fever requiring GM-CSF discontinuation one patient RDI of cisplatin/etoposide was 0.77/0.62 in GM-CSF group, and 0.90/ 0.80 in patients who didn't receive Leucomax. Overall objective response rate to chemotherapy and complete response rate were 80% (21/26), 26% (7/26) and median survival of all patients was 10 months. Median disease free survival was 8 months. Four patients are alive, two patients lost during progression, 20 died. Administration of GM-CSF did not appear to improve RDI of chemotherapy, overall response rate (RR) nor survival in this phase I/II clinical study. RDI of chemotherapy was reduced in patients receiving GM-CSF due to thrombocytopenia and/or extrahaematologic toxicity of chemotherapy.
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