Pharmacokinetic Study of CKD-602, A New Camptothecin Derivative: Absorption

신규 캄토테신계 항암제 CKD-602의 약물동태: 흡수

  • Lee, Ju-Mong (Chong Kun Dang Research Center, Chong Kun Dang Corporation) ;
  • Sohn, Yong-Sung (Chong Kun Dang Research Center, Chong Kun Dang Corporation) ;
  • Kim, Joon-Kyum (Chong Kun Dang Research Center, Chong Kun Dang Corporation) ;
  • Shin, Hee-Jong (Chong Kun Dang Research Center, Chong Kun Dang Corporation) ;
  • Lee, Hyung-Ki (Chong Kun Dang Research Center, Chong Kun Dang Corporation) ;
  • Lee, Sang-Joon (Chong Kun Dang Research Center, Chong Kun Dang Corporation) ;
  • Hong, Chung Il (Chong Kun Dang Research Center, Chong Kun Dang Corporation)
  • Published : 1998.08.01

Abstract

The pharmacokinetics of CKD-602, a new camptothecin anticancer derivative, were studied in mice, rats and dogs following a single or multiple intravenous administration, and the following results were obtained. The blood levels of CKD-602 declined in biphasic fashions with peak plasma levels $(C_0)$ of $2.63{\mu}g/ml$ in mice, $2.27{\mu}g/ml$ in tumor bearing mice, $2.84{\mu}g/ml$ in rats at a dose of 20mg/kg, and of 0.02mcg/ml in dogs at a dose of 0.5mg/kg. The plasma half-lives $(t_{1/2}{\beta})$ were 9.55hr in mice, 9.94hr in tumor bearing mice, 9.98hr in rats and 12.75hr in dogs. AUC of CKD-602 was increased linearly with the dose at a range from 5 to 20mg/kg. Moreover, Cltot and Vdss were also not significantly changed with increasing the dose. On the other hand, after 5 daily intravenous bolus injection of CKD-602 (5mg/kg) in rats, $t_{1/2}{\beta}$, AUC and MRT of CKD-602 were 11.90hr, $3.19{\mu}g{\cdot}hr/ml$, and 11.61hr, respectively, which were slightly higher than after the single bolus injection.

Keywords

References

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