Disease control rate ( % ) for arm A was 76.5 ( 95 % confidence interval [ CI ] , 62.5-87 .2 ) and for arm B it was 75.0 ( 95 % CI , 65.3-83 .1 ) , Response rates for arm A were 31.4 % ( 95 % CI , 19.1-45 .9 ) and for arm B were 24.0 % ( 95 % CI , 16.0-33 .6 ) .