Clinical Practice and Future Needs in Recombinant Human Granulocyte Colony-Stimulating Factor Treatment: A Review of Randomized Trials in Clinical Haemato-Oncology

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Abstract
Recombinant human granulocyte colony-stimulating factor (rHuG-CSF) may have a significant impact on preventing infections associated with chemotherapy-induced neutropenia, as well as shortening time to tree lineage engraftment following high-dose chemotherapy and progenitor transplantation. However, the scientific literature documenting evidence-based practice is insufficient and often misinterpreted. This review presents data and discusses the evidence for actual clinical practice in the use of rHuG-CSF in conventional cyclic chemotherapy, either prophylactic or therapeutic, and high-dose therapy, either in priming for mobilization or post-transplantation. In the past decade, many reports have based their conclusions on surrogate markers, and it is time to move towards evaluation of clinically relevant factors. Data must be generated prospectively based on current clinical practice, and several issues must be considered and evaluated to define the true clinical benefit of rHuG-CSF with or without stem-cell support. Evaluation should include complications and needs for resources as well as impact on toxicity and efficacy of conventional or high-dose chemotherapy.