Abstract:
:New phenoxyacetic acid antagonists of CRTH2 are described. Following the discovery of a hit compound by a focused screening, high protein binding was identified as its main weakness. Optimization aimed at reducing serum protein binding led to the identification of several compounds that showed not only excellent affinities for the receptor (41 compounds with K(i) < 10 nM) but also excellent potencies in a human whole blood assay (IC(50) < 100 nM; PGD2-induced eosinophil shape change). Additional optimization of the PK characteristics led to the identification of several compounds suitable for in vivo testing. Of these, 19k and 19s were tested in two different pharmacological models (acute FITC-mediated contact hypersensitivity and ovalbumin-induced eosinophilia models) and found to be active after oral dosing (10 and 30 mg/kg).
journal_name
J Med Chemjournal_title
Journal of medicinal chemistryauthors
Crosignani S,Prêtre A,Jorand-Lebrun C,Fraboulet G,Seenisamy J,Augustine JK,Missotten M,Humbert Y,Cleva C,Abla N,Daff H,Schott O,Schneider M,Burgat-Charvillon F,Rivron D,Hamernig I,Arrighi JF,Gaudet M,Zimmerli SC,Juidoi
10.1021/jm200866ysubject
Has Abstractpub_date
2011-10-27 00:00:00pages
7299-317issue
20eissn
0022-2623issn
1520-4804journal_volume
54pub_type
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