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  • Title: Survival and prognostic factors in adult patients with recurrent or refractory ewing sarcoma family tumours: a 13-years retrospective study in Turkey.
    Author: Yildiz I, Sen F, Ekenel M, Darendeliler E, Bavbek S, Agaoglu F, Ozger H, Eralp L, Bilgic B, Basaran M.
    Journal: In Vivo; 2014; 28(3):403-9. PubMed ID: 24815845.
    Abstract:
    AIM: The aim of the present study was to evaluate the results of treatment and prognostic factors in adult patients with recurrent or refractory Ewing's sarcoma family tumors (ESFT). PATIENTS AND METHODS: We retrospectively evaluated treatment outcomes of 54 consecutive patients with ESFT (aged 15 years or more) with complete medical records, who were treated with multimodal therapies after recurrence at the Istanbul University, Institute of Oncology. RESULTS: The commonly used chemotherapy regimens at relapse were ifosfamide and etoposide (IE), ifosfamide and etoposide plus carboplatin (ICE), and oral etoposide. The median progression-free survival and overall survival for the entire group were 6.3 (95% confidence interval, 3.08-9.60) and 8.6 (95% confidence interval CI, 4.7-12.4) months, respectively. Multivariate analysis using a Cox proportional hazards model showed that non-IE/ICE chemotherapy regimens (p=0.003, hazard ratio=2.38) and the presence extrapulmonary metastases (p=0.045, hazard ratio=2.15) were associated with worse overall survival. CONCLUSION: In primary refractory or relapsed ESFT, the presence of extrapulmonary metastases and treatment with salvage regimens other than ifosfamide and etoposide and/or carboplatin correlate with a poor prognosis.
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