Optimization of Sphingosine-1-phosphate-1 Receptor Agonists: Effects of Acidic, Basic, and Zwitterionic Chemotypes on Pharmacokinetic and Pharmacodynamic Profiles
摘要:
The efficacy of the recently approved drug fingolimod (FTY720) in multiple sclerosis patients results from the action of its phosphate metabolite on sphingosine-1-phosphate S1P(1) receptors, while a variety of side effects have been ascribed to its S1P(3) receptor activity. Although S1P and phospho-fingolimod share the same structural elements of a zwitterionic headgroup and lipophilic tail, a variety of chemotypes have been found to show S1P(1) receptor agonism. Here we describe a study of the tolerance of the S1P(1) and S1P(3) receptors toward bicyclic heterocycles of systematically varied shape and connectivity incorporating acidic, basic, or zwitterionic headgroups. We compare their physicochemical properties, their performance in in vitro and in vivo pharmacokinetic models, and their efficacy in peripheral lymphocyte lowering. The campaign resulted in the identification of several potent S1P(1) receptor agonists with good selectivity vs S1P(3) receptors, efficacy at <1 mg/kg oral doses, and developability properties suitable for progression into preclinical development.
[EN] OXADIAZOLE DERIVATIVES ACTIVE ON SPHINGOSINE-1-PHOSPHATE (SIP)<br/>[FR] DÉRIVÉS D'OXADIAZOLE ACTIFS SUR LA SPHINGOSINE-1-PHOSPHATE (S1P)
申请人:GLAXO GROUP LTD
公开号:WO2009080725A1
公开(公告)日:2009-07-02
The present application discloses oxadiazole based compounds of Formula (I) active on sphingosine-1-phosphate (S1P) in particular useful to treat lupus erythematosus. A is phenyl or a 5 or 6-membered heteroaryl ring; R1 is up to two substituents independently selected from halogen, C(1-3)aIkoxy, C(1-3)flyoroalkyl, cyano, optionally substituted phenyl. C(1-3)fluoroalkoxy. C(1-6)alkyl and C(3-6)Cyctoalkyl; R2 is hydrogen, halogen or C(1-4)alkyl; B is a 7 membered saturated ring selected from the following: Formulae (a) (b) (c) R3 is hydrogen or (CH2)1-4MCO2H; R4 is hydrogen or C(1-3)alkyl optionally interrupted by oxygen;
The present invention relates to novel oxadiazole derivatives having pharmacological activity, processes for their preparation, pharmaceutical compositions containing them and their use in the treatment of various disorders.
Oxadiazole derivatives active on sphingosine-1-phosphate (S1P)
申请人:Glaxo Group Limited
公开号:US08222245B2
公开(公告)日:2012-07-17
The present invention relates to novel oxadiazole derivatives having pharmacological activity, processes for their preparation, pharmaceutical compositions containing them and their use in the treatment of various disorders.
OXADIAZOLE DERIVATIVES ACTIVE ON SPHINGOSINE-1-PHOSPHATE (SIP)
申请人:Demont Emmanuel Hubert
公开号:US20100273771A1
公开(公告)日:2010-10-28
The present invention relates to novel oxadiazole derivatives having pharmacological activity, processes for their preparation, pharmaceutical compositions containing them and their use in the treatment of various disorders.