TABLE 1

PK parameters of PEG30-EPO and PEG40-EPO in the thoracic LDC and control SD rats after subcutaneous administration

ParameterPEG30-EPO (CERA)PEG40-EPO
LDC (n = 6)Control (n = 3)LDC (n = 3)Control (n = 3)
AUC0–168 h, h · ng/ml2221 ± 12088356 ± 14461188 ± 2135013 ± 3635
Cmax, ng/ml37.5 ± 17.8113.7 ± 30.026.6 ± 6.085.1 ± 41.9
F, %10381030
Cumulative recovery_lymph, post-TCA, % dose23.8 ± 3.513.7 ± 4.8
Cumulative recovery_lymph, pre-TCA, % dose31.1 ± 3.721.1 ± 4.5
Cumulative recovery_urine, pre-TCA, % dose38.2 ± 4.275.7 ± 12.5N.D.N.D.
Cumulative recovery_feces, pre-TCA, % dose1.62.2N.D.N.D.
Cumulative recovery_total, pre-TCA, % dose71.977.9N.D.N.D.
  • N.D., not determined.