The MONITOR-GCSF study is an international, prospective, observational, pharmaco-epidemiological study to evaluate the multi-level factors and outcomes associated with the use of Zarzio(®) in the prophylaxis of febrile neutropenia in chemotherapy-treated cancer patients. Driven by a novel, integrated, multi-focal framework for post-approval observational studies, it examines determinants of response at both the patient and the physician level; integrates statistical methodologies from the social and behavioral sciences; assesses factors predictive of poor treatment response; and evaluates the congruence of treatment with EORTC guidelines and the approved label. This pan-European study will recruit at least 1000 patients from a minimum of 75 centers and follow them for maximum 6 cycles of chemotherapy. Apart from descriptive and associative procedures, statistical analysis will include variance attribution methods; hierarchical linear, logistic, and Poisson modeling; Kaplan-Meier time-to-event analysis, Mantel-Cox log-rank or generalized Wilcoxon-Breslow tests, and Cox proportional hazards modeling; and clustering and related data mining techniques.
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