TABLE 2

Antitumor Activity of Anti-FR 131I-Labeled AFRA-DFM5.3 After Locoregional Administration in Intraperitoneal Tumor Models

Antitumor activity over untreated animals
Experiment no.Total dose (MBq)Days of treatmentTreated TumorNo. of miceMedian survival in days*Hazard ratio95% Confidence limitsSurvival curve P
137+2IGROV-1633/17 (235)0.310.04–0.450.0014
237+4IGROV-1815/10 (150)0.370.03–0.620.0105
337+2OVCAR3834/14 (239)0.230.01–0.16<0.0001
37+4831/14 (221)0.230.01–0.16<0.0001
437+2OVCAR3630/22 (140)0.230.01–0.260.0006
55+2435/22 (160)0.360.03–0.880.0347
574+2 and +9OVCAR36>90/19 (not reached)0.130.00–0.240.0008
  • *By 2-sided log-rank test over control mice.

  • Ratio of median survival time in treated over control mice × 100.

  • Number of animals in controls ranged from 6 to 8. Data in parentheses are percentages.