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Potential Influence of Centrally Acting Herbal Drugs on Transporters at the Blood–Cerebrospinal Fluid Barrier and Blood–Brain Barrier

Potential Influence of Centrally Acting Herbal Drugs on Transporters at the Blood–Cerebrospinal... Complementary and alternative medications (CAM) with known or suspected pharmacologic activity in the central nervous system (CNS) are common. These herbal preparations may cause clinically significant drug–drug interactions (DDIs) when coadministered with medications that act in the CNS. This can result in negative outcomes such as toxicity or loss of efficacy. Most drug interaction reports with CAM focus on cytochrome P450 (CYP) modulation. However, drug interactions between CAM and conventional medications may occur via mechanisms other than CYP inhibition or induction; in particular, modulation of drug transport proteins represents an important mechanism by which such interactions may occur. This article provides an updated review of transporter-mediated mechanisms by which herbal products may theoretically interact with centrally acting medications at the blood–brain barrier and blood–cerebrospinal fluid (CSF) barrier. Further research is required before the true clinical impact of interactions involving modulation of centrally located membrane transporters can be fully understood. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png European Journal of of Drug Metabolism and Pharmacokinetics Springer Journals

Potential Influence of Centrally Acting Herbal Drugs on Transporters at the Blood–Cerebrospinal Fluid Barrier and Blood–Brain Barrier

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Publisher
Springer Journals
Copyright
Copyright © 2018 by Springer International Publishing AG, part of Springer Nature
Subject
Biomedicine; Pharmacology/Toxicology; Pharmacy; Human Physiology; Pharmaceutical Sciences/Technology; Medical Biochemistry
ISSN
0378-7966
eISSN
2107-0180
DOI
10.1007/s13318-018-0486-6
Publisher site
See Article on Publisher Site

Abstract

Complementary and alternative medications (CAM) with known or suspected pharmacologic activity in the central nervous system (CNS) are common. These herbal preparations may cause clinically significant drug–drug interactions (DDIs) when coadministered with medications that act in the CNS. This can result in negative outcomes such as toxicity or loss of efficacy. Most drug interaction reports with CAM focus on cytochrome P450 (CYP) modulation. However, drug interactions between CAM and conventional medications may occur via mechanisms other than CYP inhibition or induction; in particular, modulation of drug transport proteins represents an important mechanism by which such interactions may occur. This article provides an updated review of transporter-mediated mechanisms by which herbal products may theoretically interact with centrally acting medications at the blood–brain barrier and blood–cerebrospinal fluid (CSF) barrier. Further research is required before the true clinical impact of interactions involving modulation of centrally located membrane transporters can be fully understood.

Journal

European Journal of of Drug Metabolism and PharmacokineticsSpringer Journals

Published: Jun 1, 2018

References