The aim of this study was to determine the effectiveness of
granulocyte-macrophage colony-stimulating factor (
GM-CSF) impregnated gauze in preventing or healing
radiation-induced dermatitis. Sixty-one patients were irradiated for vulvar
carcinoma. Thirty-seven applied
steroid cream at irradiated areas throughout
radiotherapy (Group A) and 24 patients applied additionally
GM-CSF impregnated gauze (40 micrcog/cm2 of skin-irradiated area, twice per day) in addition to the
steroid cream, after 20 Gy of irradiation (Group B). The score of skin reactions (P=0.008, chi2 test) and the time interval of
radiotherapy interruption (P=0.037, Mann-Whitney U test) were statistically significantly reduced in Group B patients. Multivariate analysis of variance showed for this group not only a significant reduction in the Sum of Gross
Dermatitis Scoring (P<0.001, adjusted for Duration of
Dermatitis) but also a significant reduction of the healing time (P=0.02, adjusted for Sum of Gross
Dermatitis Scoring). The
pain grading was less (P=0.014, chi2 test) and
pain reduction was noticed sooner after the application of
GM-CSF impregnated gauze (P=0.0017, Mann-Whitney U test). Multivariate logistic regression analysis showed that the only significant effect on
dermatitis score is due to Body Mass Index (P=0.034) and the application of
GM-CSF (P=0.008).
GM-CSF impregnated gauze can be effective in preventing and healing
radiation-induced dermatitis and in reducing the interruption intervals of
radiotherapy for vulvar
carcinomas.