Response rate
On day 29, the response rate was 19 (46.3%) of 41 patients in the 0.12 mg/kg group, 22 (53.7%) of 41 in the 0.2 mg/kg group, 22 (50.0%) of 44 in the 0.3 mg/kg group, and 19 (46.3%) of 41 in the placebo group. In the 0.2 mg/kg and 0.3 mg/kg groups, the response rate rose by 16.0% and 8.0%, respectively, in comparison to the placebo group.