P/T: prevention / treatment of oral mucositis; N: number of patients; EM: mean age in years; ND: not declared; SG: study group; CG: control group; i.v.: intravenous; CT: chemotherapy; SCT: stem cell transplantation; OM: oral mucositis; KGF: keratinocyte growth factor-palifermin. Here, FGF7 is linked to oral mucositis.