MBP and neoplasm: Similarly, we observed that tumor weights per mouse in the 40, 60, and 82 mg/kg MBP-11901-treated groups were 0.082 ± 0.063, 0.025 ± 0.035, and 0.011 ± 0.009 g, respectively, compared with 0.31 ± 0.089 g in the vehicle control group.