Enanta Pharma (ENTA) Announces Presentation of New Preclinical Data on EDP-305 in NASH at The Liver Meeting

November 11, 2016 8:02 AM EST

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Enanta Pharmaceuticals, Inc. (Nasdaq: ENTA) announced new preclinical data from Enanta’s wholly-owned program in non-alcoholic steatohepatitis (NASH) at the Liver Meeting®, the Annual Meeting of the American Association for the Study of Liver Diseases (AASLD) taking place November 11-15, 2016 in Boston.

New data is being presented on Enanta’s Farnesoid X Receptor (FXR) agonist EDP-305, demonstrating its potency, selectivity and effects on fibrosis progression and lipid metabolism in pre-clinical models. Characterization of a new FXR preclinical lead compound with enhanced potency, EP-024297, will also be presented.

Detailed data will be available during each poster session.

Poster Presentations:EDP-305 and EP-024297 FXR Agonists for Non-Alcoholic Steatohepatitis (NASH)

November 13, 8:00 am – 5:30 pm ET#650 - The Novel Farnesoid X Receptor (FXR) agonist, EDP-305, Reduces Fibrosis Progression in Bile Duct Ligated Rats (C. Farrar, et al.)

  • Data demonstrated that EDP-305 reduced liver fibrosis in CDAHFD and BDL rodent models of NASH.

#1540 (Poster of Distinction) - EDP-305, A Novel and Selective Farnesoid X Receptor Agonist, Exhibits High Potency and Efficacy In Vitro and In Vivo (Y. Li, et al.)

  • Data demonstrated that EDP-305, a highly specific FXR agonist with minimal activity against TGR5, has potent effects on FXR-dependent gene expression in vitro and in vivo.

#1568 - EDP-305, A Novel and Highly Potent Farnesoid X Receptor Agonist, Exerts Favorable Effects on Lipid Metabolism In Vitro (Y. Li, et al.)

  • Data demonstrated that EDP-305 may have the potential to increase LDL clearance via up-regulation of LDLr and may potentially reduce HDL degradation by down-regulating the expression of hepatic lipase.

#1596 - EDP-305, A Novel and Potent Farnesoid X Receptor Agonist, Exhibits Favorable Anti-inflammatory and Anti-fibrotic Activity In Vitro (Y. Li, et al.)

  • Data demonstrated that EDP-305 exhibits the ability to regulate key genes involved in inflammation and fibrosis.

November 11, 8:00 am – 5:30 pm ET#1569 - EP-024297, A Novel and Selective Farnesoid X Receptor Agonist, Exhibits High Potency and Efficacy In Vitro and In Vivo (M. Chau, et al.)

  • Data demonstrated that EP-024297 is a sub-nanomolar agonist of FXR, and can regulate FXR-dependent gene expression in vivo at dose levels as low as 0.1 mg/kg.

“The additional preclinical data sets being presented at The Liver Meeting further demonstrate that EDP-305 is a highly selective FXR agonist with potent activity in a variety of in vitro assays and in vivo NASH models and fibrosis models,” commented Jay R. Luly, Ph.D. “Our aim is to develop superior compounds to treat this debilitating disease, and we look forward to data from our ongoing clinical development program.”

EDP-305 is currently in Phase 1 clinical development. Enanta’s double-blind, placebo-controlled Phase 1a/b study is designed to evaluate the safety, tolerability and pharmacokinetics of single ascending doses (SAD) and multiple ascending doses (MAD) of EDP-305 in healthy adults, and in adults with presumptive non-alcoholic fatty liver disease (NAFLD) (obese, with or without pre-diabetes or type 2 diabetes mellitus). The study will enroll approximately 90 subjects and is designed to evaluate up to 5 dose cohorts, with EDP-305 administered orally, once daily.

The current study includes subjects with presumptive NAFLD in order to obtain initial safety data and additional data regarding the relationship between EDP-305 plasma concentration levels and certain pharmacological effects in the context of fatty liver disease. This relationship will be explored by using biomarkers that are relevant to the disease and to the activity of EDP-305, such as evaluation of lipids, glucose, insulin resistance and specific markers of FXR activity.

About EDP-305, a Farnesoid X Receptor (FXR) Agonist

EDP-305 is a potent FXR agonist and Enanta’s lead product candidate being developed for the treatment of NASH. EDP-305 represents a new class of FXR agonists that has been designed to take advantage of increased binding interactions with the receptor. Further, this non-bile acid class contains steroid and non-steroid components, and does not contain the carboxylic acid group normally present in other classes of FXR agonists and natural bile acids that can lead to the formation of taurine and glycine conjugates. EDP-305 is currently in Phase 1 clinical development.

About NAFLD, NASH, and FXR

Non-alcoholic fatty liver disease (NAFLD) is the accumulation of excessive fat in the form of triglycerides in patients’ liver cells (steatosis) that is not caused by alcohol. NAFLD is widely considered to be the liver expression of metabolic disease associated with type 2 diabetes, insulin resistance, obesity, and hyperlipidemia. A subgroup of NAFLD patients has liver cell injury and inflammation in addition to excessive fat (steatohepatitis). Progression of this condition leads to non-alcoholic steatohepatitis (NASH). Patients with NASH can develop fibrosis and ultimately cirrhosis of the liver, potentially leading to hepatocellular carcinoma or requiring a liver transplant. Farnesoid X receptor (FXR) is a nuclear receptor and a main regulator of bile acid levels in the liver and small intestine. It responds to bile acids by regulating gene transcription of key enzymes and transporters, many of which play important roles in lipid metabolism, insulin resistance, inflammation, and fibrosis.

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