This double-blind study compared the effect of palifermin with that of a placebo on the development of oral mucositis in 212 patients with hematologic cancers ; 106 patients received palifermin ( 60 microg per kilogram of body weight per day ) and 106 received a placebo intravenously for three consecutive days immediately before the initiation of conditioning therapy ( fractionated total-body irradiation plus high-dose chemotherapy ) and after autologous hematopoietic stem-cell transplantation .
