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Buzard DJ, Kim SH, Lopez L, Kawasaki A, Zhu X, Moody J, Thoresen L, Calderon I, Ullman B, Han S, Lehmann J, Gharbaoui T, Sengupta D, Calvano L, Montalban AG, Ma YA, Sage C, Gao Y, Semple G, Edwards J, Barden J, Morgan M, Chen W, Usmani K, Chen C, Sadeque A, Christopher RJ, Thatte J, Fu L, Solomon M, Mills D, Whelan K, Al-Shamma H, Gatlin J, Le M, Gaidarov I, Anthony T, Unett DJ, Blackburn A, Rueter J, Stirn S, Behan DP, Jones RM. Discovery of APD334: Design of a Clinical Stage Functional Antagonist of the Sphingosine-1-phosphate-1 Receptor. ACS Med Chem Lett 2014; 5:1313-7. [PMID: 25516790 DOI: 10.1021/ml500389m] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2014] [Accepted: 11/03/2014] [Indexed: 01/04/2023] Open
Abstract
APD334 was discovered as part of our internal effort to identify potent, centrally available, functional antagonists of the S1P1 receptor for use as next generation therapeutics for treating multiple sclerosis (MS) and other autoimmune diseases. APD334 is a potent functional antagonist of S1P1 and has a favorable PK/PD profile, producing robust lymphocyte lowering at relatively low plasma concentrations in several preclinical species. This new agent was efficacious in a mouse experimental autoimmune encephalomyelitis (EAE) model of MS and a rat collagen induced arthritis (CIA) model and was found to have appreciable central exposure.
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