The median change in the CD4 T-cell count from baseline to week 12 was not significantly different between the placebo arm [ 15 ( -16 , 23 ) cells/mm ] and the 20-g/kg dose [ 11 ( 2 , 32 ) cells/mm ] , the 40-g/kg dose [ 12 ( -2 , 25 ) cells/mm ] , or the 60-g/kg dose arm [ 8 ( -13 , 35 ) cells/mm ] of palifermin .