“…Clarkson et al [79] and Worthington et al [43] concluded that topical or systemic GM-CSF cannot be recommended for prevention or treatment of oral mucositis. alloHSCT allogeneic hematopoietic stem cell transplantation, autoHSCT autologous hematopoietic stem cell transplantation (C), RT (chemo)radiation therapy, CT chemotherapy, EGF epidermal growth factor, HD high-dose, H&N head and neck, HSCT hematopoietic stem cell transplantation, iv intravenous, FGF fibroblast growth factor, 5-FU 5-fluoroucil, G-CSF granulocyte-colony stimulating growth factor, GM-CSF granulocyte-macrophage colony-stimulating growth factor, IL-11 interleukin-11, KGF keratinocyte growth factor, P prevention, RT radiotherapy, sc subcutaneously, syst systemically, T treatment, TBI total body irradiation, TGF-β transforming growth factor-beta…”