Research Article

Long-Term Safety of PEGylated Coagulation Factor VIII in the Immune-Deficient Rowett Nude Rat

Table 1

Design and doses of the 26- and 52-week studies.

Group number Study period
N8-GP (IU/kg/fourth day)Dosing phaseRecovery phase
Males (n)Females (n)Males (n)Females (n)

1 (control)018 (21)18 (21)9 (12)9 (12)
25018 (21)18 (21)00
315018 (21)18 (21)00
450018 (21)18 (21)00
5120018 (21)18 (21)9 (12)9 (12)

Numbers given in represent number of animals included in the 52-week study.
Note. The PEG doses in the dosed groups were as follows: Group Two: 0.001 mg PEG/kg/dose; Group Three: 0.003 mg PEG/kg/dose; Group Four: 0.01 mg PEG/kg/dose; and Group Five: 0.024 mg PEG/kg/dose.