Archives of Pharmacal Research

  • 제19권4호
  • /
  • Pages.297-301
  • /
  • 1996
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  • 0253-6269(pISSN)
  • /
  • 1976-3786(eISSN)
대한약학회 (The Pharmaceutical Society of Korea)
권호 표지

Pharmacokinetics of talniflumate, a prodrug of niflumic acid, following oral administration to man

  • Kim, Hyun-Ji (Department of Pharmaceutics, College of Pharmacy, Seoul National University) ;
  • Han, Yong-Hae (Department of Pharmaceutics, College of Pharmacy, Seoul National University) ;
  • Chung, Suk-Jaeng (Department of Pharmaceutics, College of Pharmacy, Seoul National University) ;
  • Lee, Min-Hwa (Department of Pharmaceutics, College of Pharmacy, Seoul National University) ;
  • Shim, Chang-Koo (Department of Pharmaceutics, College of Pharmacy, Seoul National University)
  • 발행 : 1996.08.01
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초록

Plasma profile of niflumic acid following oral administration of talniflumate tablets (Somalgen) was compared to that of niflumic acid tablets in man. Plasma niflumic acid was assayed by HPLC method. Plasma niflumic acid profile from the tainiflumate tablets was similar to that from the niflumic acid tablets resulting in no differences in $AUC, C_max, t_max$ and MRT. It demonstrates that talniflumate is a prodrug of niflumic acid, and undergoes extensive first-pass biotransformation to niflumic acid. However, plasma niflumic acid concentration at 30 min after tainiflumate dosing was significantly (p<0.05) higher than that of niflumic acid dosing. The more potent analgesic activity of talniflumate than niflumic acid might be related to this higher plasma drug concentration at the earlier phase. Considering that tainiflumate is less irritant to gastrointestinal mucosa than niflumic acid, talniflumate seems to be advantageous over niflumic acid in terms of activity and side effects.

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참고문헌

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