Table 1.

Median survival of mice after intraperitoneal inoculation of HSC45‐M2 tumor cells and injection of different activities of ²¹³Bi‐immunoconjugates

Treatment	Median survival following therapy 1 day after tumor cell inoculation		Median survival following therapy 8 days after tumor cell inoculation
	Days	95% confidence interval	Days	95% confidence interval
Untreated control	19	17–21	19	17–21
Unlabeled d9MAb	38	35–41	ND
0.37 MBq d9MAb	99	74–169	ND
0.37 MBq d8MAb	37	15–55	ND
1.85 MBq d9MAb	– †	–	ND
1.85 MBq d8MAb	– ‡	–	ND
7.4 MBq d9MAb	213	162–264	73	44–102
7.4 MBq d8MAb	161	92–230	45	13–77
22.2 MBq d9MAb	119	104–134	86	19–153
22.2 MBq d8MAb	129	37–221	47	26–90

^† 87% of the animals were still alive after 300 days.

^‡ 75% of the animals were still alive at 300 days. ND, not determined.