“…It prevalently occurs, however, in childhood, in whom the prognosis is more favorable respect to adult patients, reaching a cure rate of 80–90% thanks to multi-agent and intensive combination chemotherapy regimens that have significantly improved the outcome in the pediatric setting (Hunger and Mullighan, 2015; Pui et al, 2015), as well as in that of adolescent and younger adults (Curran and Stock, 2015). In other patients, instead, “conventional” treatments remain unsatisfactory (Marks, 2015; Al Ustwani et al, 2016; Fedorov et al, 2016), due to pharmacologic resistance (Ronson et al, 2016; Seiter, 2016) or toxicity events, above all when aggressive “pediatric-like” protocols are applied (Dias et al, 2016). …”