Therapeutic effect of single injection and multiple injections of 227Th-trastuzumab.

*Number of tumors reaching 10-fold size (total number of tumors in therapy group).†Days (mean ± standard error; estimation is limited to the largest time to reach endpoint within group if it is censored).‡Number of days delayed in reaching 10-fold increase in size compared to saline control group (mean ± standard error).§Significantly different from saline control group (p∥Significantly different from trastuzumab control group (p