UV-Irradiated Grapefruit Juice Loses Pharmacokinetic Interaction with Nifedipine in Rats
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چکیده
منابع مشابه
Relationship between lipophilicities of 1,4-dihydropyridine derivatives and pharmacokinetic interaction strengths with grapefruit juice.
It is well known fact that the strengths of drug interactions with grapefruit juice (GFJ) differ greatly depending on the 1,4-dihydropyridine calcium channel antagonist (DHP) used. However, there are no available data on the relationship between interactions with GFJ and its physicochemical attributes. Therefore we endeavored to study the correlation between calculated logP values, indicating l...
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We studied the effects of short- and long-term ingestion of grapefruit juice (GJ) on nifedipine (NFP) pharmacokinetics in rats. Thirty minutes after intraduodenal (id) administration of 2.0 ml of GJ or saline, NFP was i.v. or id administered at a dose of 3 mg/kg b. wt. No significant differences were observed in pharmacokinetic values between the two groups after i.v. administrations of NFP. By...
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background: recently grapefruit juice is known to enhance the bioavailability of several clinically important drugs such as nifedipine, terfenadine, cyclosporine, ethinylestradiole, midazolam, and triazolam. cyclosporine is an immunosuppressive agent that used in transplantation for preventation of chronic rejection. grapefruit increase in cmax and auc of drug mediated by suppression of cyp3a4 ...
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Oral midazolam is a frequently used sedative in pediatric dentistry. Although an oral form of midazolam is now commercially available, some practitioners continue to use the IV midazolam as an oral medication. If the injectible form of midazolam is administered orally, its bitter taste requires the use of a flavoring agent. Grapefruit juice is contraindicated for this purpose as it inhibits cyt...
متن کاملInteraction between Grapefruit Juice and Drugs*
There is a possibility that even a glass of grapefruit juice (GFJ) taken several hours before oral medication may enhance the bioavailability of many drugs, exaggerate the drug action, and increase the toxic effect by exaggerating the potency of the drug. This can be explained by inhibition of CYP3A4 in the small intestine by GFJ, thus suppressing drug metabolism. This interaction with GFJ is l...
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ژورنال
عنوان ژورنال: Biological and Pharmaceutical Bulletin
سال: 2006
ISSN: 0918-6158,1347-5215
DOI: 10.1248/bpb.29.1286