Pharmacokinetic drug-herbal dietary supplements interactions clinically significant

November 17, 2014

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Article Title:	Pharmacokinetic drug-herbal dietary supplements interactions clinically significant
Authors:	Suciu S., Olah N.K., Morgovan C., Toma C.C., Dărăban A.
Affiliation:	Department of Clinical Pharmacy, Faculty of Medicine and Pharmacy, “Vasile Goldiş” Western University Arad. Department of Pharmaceutical Industry, Faculty of Medicine and Pharmacy, “Vasile Goldiş” Western University Arad. Department of Pharmaceutical Management and Marketing, Faculty of Medicine and Pharmacy, “Vasile Goldiş” Western University Arad. Department of Pharmacognosy, Faculty of Medicine and Pharmacy, “Vasile Goldiş” Western University Arad. Department of Physical Chemistry, Faculty of Medicine and Pharmacy, “Vasile Goldiş” Western University Arad.
Abstract:	Most commercially available botanical supplements exhibit considerable variability in phytochemical profiles, and label claims for “standardized” marker compounds can deviate considerably from actual content. Such variations can have significant influence on results of clinical studies evaluating dietary supplements efficacy or its herb-drug interaction risk. There are also plant extracts that can influence the drug disposition or can act as inhibitors or inductors of CYP isoforms. In summary, dosage forms containing standardized herbal extracts, when administered at per label recommended doses, do not pose a risk for clinically relevant herb-drug interactions. However, daily doses exceeding these doses or prolonged treatment may increase prospects for interactions.
Keywords:	pharmacokinetic, interaction, dietary supplements, metabolic enzymes, transporter activity
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*Correspondence:	Suciu Simona, Department of Clinical Pharmacy, Faculty of Medicine and Pharmacy, Western University Arad, Tel. 0745709995, e-mail: suciu_simona@yahoo.com

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