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Childhood Acute Myeloid Leukemia/Other Myeloid Malignancies Treatment (PDQ®): Treatment - Health Professional Information [NCI] - Treatment of Newly Diagnosed AML

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The use of antibacterial prophylaxis in children undergoing treatment for AML has been supported by several studies. A retrospective study from St. Jude Children's Research Hospital (SJCRH) in patients with AML reported that the use of intravenous cefepime or vancomycin in conjunction with oral ciprofloxacin or a cephalosporin significantly reduced the incidence of bacterial infection and sepsis compared with patients receiving only oral or no antibiotic prophylaxis.[26] A retrospective report from the COG-AAML0531 (NCT00372593) trial demonstrated significant reductions in sterile-site bacterial infection and particularly gram-positive, sterile-site infections were both associated with the use of antibacterial prophylaxis.[27] Of note, this study also reported that prophylactic use of G-CSF reduced bacterial and Clostridium difficile infections.[27] In a study that compared the percentage of bloodstream infections or invasive fungal infections in children with ALL or AML who underwent chemotherapy and received antibacterial and antifungal prophylaxis, a significant reduction in both variables was observed compared with a historical control group that did not receive any prophylaxis.[28] While such studies suggest a benefit to the use of antibiotic prophylaxis, prospective randomized trials are needed in this pediatric group of patients.

Similarly, the role of antifungal prophylaxis has not been studied in children with AML using randomized, prospective studies. Nevertheless, two meta-analysis reports have suggested that antifungal prophylaxis in pediatric patients with AML during treatment-induced neutropenia or during bone marrow transplantation does reduce the frequency of invasive fungal infections and in some instances nonrelapse mortality.[29,30] However, another study that analyzed 1,024 patients with AML treated on the COG-AAML0531 (NCT00372593) clinical trial reported no benefit of antifungal prophylaxis on fungal infections or nonrelapse mortality.[27] Several randomized trials in adults with AML, however, have reported significant benefit in reducing invasive fungal infection with the use of antifungal prophylaxis. Such studies have also balanced cost with adverse side effects; when effectiveness at reducing invasive fungal infection is balanced with these other factors, posaconazole, voriconazole, caspofungin, and micafungin are considered reasonable choices.[28,31,32,33,34,35]

Treatment options under clinical evaluation

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