Table 3

Incidence of heart lesions in male rabbits treated with PL-DOX or nonliposomal doxorubicin

Necropsy3-aSalinePL-DOX 1.0 mg/kgDOX 1.0 mg/kg
14 mg/kg Cumulative Dose
 1-Week0 /50 /41 /2
 5-Week0 /50 /51 /3
 13-Week0 /51 /43 /5
 Early Deaths2 /23-b 5 /53-c
 Total Affected (%)0 /15 (0)3 /15 (20)10 /15 (67)
21 mg/kg Cumulative Dose
 13-Week0 /50 /3
 Early Deaths0 /51 /73-d
 Total Affected (%)0 /10 (0)1 /10 (10)
  • 3-a Weeks after last dose.

  • 3-b Cumulative delivered dosage of 14 mg/kg. Deaths occurred on days 87 and 143.

  • 3-c Cumulative delivered dosage of 12 to 14 mg/kg. Deaths occurred between days 82 and 98.

  • 3-d Cumulative delivered dosage of 21 mg/kg. Death occurred on day 216.