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KMID : 0941819930030010001
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Korean Journal of Clinical Pharmacy
1993 Volume.3 No. 1 p.1 ~ p.13
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Drug interaction of Cimetidine and Rifampicin in normal Human subjects
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문홍섭
최인/최준식/신용준
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Abstract
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The intraction between cimetidine and rifampicin was studied pharmacokinetically in normal human subjects. The serum level and the area under the serum concentration curve(AUC) of rifampicin administrated orally were elevated significantly by cimetidine. Volume of distribution, total clearance and elimination rate constant of rifampicin were reduced significanyly by cimetidine. Biological half-life of rifampicin was prolonged significantly by cimetidine. The mechanism of this results is probably related to the inhibition of rifampicin metabolism(deacetyl form) or reduction of blood flow in the liver. It is desirable that dosage regimen of rifampicin shoud be adjusted when combined with cimetidine in clinical pharmacy practice.
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