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Abstract
Introduction: Farnesoid-X-receptor (FXR) is the receptor for primary bile acids expressed in enterohepatic tissues where it regulates bile acid uptake, metabolism and disposal. For its role as a bile acid sensor, FXR has been thought to be an important target in the treatment of cholestatic disorders, a family of diseases in which endogenous bile acids accumulate in the body. Cholestasis might occur as a consequence of inborn metabolic errors and three major disorders, intra-hepatic cholestasis in pregnancy, primary biliary cirrhosis (PBC) and primary sclerosing cholangitis account for the vast majority of clinical cholestasis occurring in adulthood. In addition, FXR agonists are gaining attention as potential regulators of lipid and glucose metabolism and therefore as new therapeutical approaches to the treatment of fatty liver disease, type 2 diabetes and obesity.
Areas covered: New chemical entities as FXR modulators and their in vitro and in vivo efficacy are reviewed with particular focus on patents and peer-reviewed publications in the period 2011 – 2014.
Expert opinion: FXR agonists have shown robust therapeutic potential and results from clinical trials have supported their use in the treatment of liver disorders including PBC and fatty liver disease despite side effects.
Declaration of interest
The authors have no relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript. This includes employment, consultancies, honoraria, stock ownership or options, expert testimony, grants or patents received or pending or royalties.
Notes
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