Pharmacokinetics of mirodenafil and its two metabolites, SK3541 and SK3544, after intravenous and oral administration of mirodenafil to streptozotocin-induced diabetes mellitus rats

Y. S. Lee, Y. H. Choi, T. K. Kim, K. H. Ryu, B. Y. Lee, M. G. Lee

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

The area under the curve (AUC) of mirodenafil after intravenous administration in diabetes mellitus induced by streptozotocin (DMIS) rats was significantly smaller (by 28.0%) than the control value, and the AUC SK3541/AUCmirodenafil ratio was significantly greater (by 130%) in DMIS rats. This may be explained by the significantly faster hepatic CLint of mirodenafil, owing to increased hepatic CYP1A, CYP2B1/2, CYP2D, and CYP3A expression, and a faster hepatic blood flow rate, compared with control values. The AUC of mirodenafil after oral administration was comparable between DMIS and control rats, possibly because of the comparable intestinal CLint, which may be attributable to increased CYP1A2 expression and decreased CYP2D expression in the intestines of DMIS rats.

Original languageEnglish
Pages (from-to)129-137
Number of pages9
JournalXenobiotica
Volume40
Issue number2
DOIs
StatePublished - Feb 2010

Keywords

  • And SK3544
  • Diabetes mellitus induced by streptozotocin
  • Hepatic and intestinal CYP isozymes
  • Mirodenafil
  • Pharmacokinetics
  • Rats
  • SK3541

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