“…Eight controlled clinical trials were found using growth factors against oral mucositis 85,87,112,113,130,152 ; five by subcutaneous injection administration 26,31,85,87,112 , and three topically applied 113,130,152 . Three of the five studies that used subcutaneous injection showed statistically significant differences in irradiated patients 31,87 and in those treated with chemotherapy 26 .…”