Table 2.

Median Survival (Days) of Athymic Mice Bearing i.p. LS-174T Xenografts After i.p. Administration of ²¹³Bi-Labeled Monoclonal Antibody and Carboplatin

Treatment	Days
None	17
Carboplatin	28 (1.6)

	Trastuzumab	HuIgG
Treatment	Days	Days
RIT	42 (2.5)	63 (3.7)
Carboplatin 24 hours pre-RIT	66 (3.9)	60 (3.5)
Carboplatin with RIT	66 (3.9)	38 (2.2)
Carboplatin 24 hours post-RIT	87 (5.1)	38 (2.2)

The values in parentheses are the therapeutic indices (MS of the treatment group divided by the MS of the untreated group).