503068-34-6

ChEBI: An dichlorobenzene derivative that is used in the form of its trifenate salt for treatment of chronic obstructive pulmonary disease.

vilanterol is a novel and selective agonist of β2-ar with a pec50 value of 10.37±0.05 [1].vilanterol is a novel long-acting β2-ar agonist (laba) with 24h activity in development for inhaled once daily treatment. in the radioligand binding studies, vilanterol has shown the binding affinity in the one-affinity site model with pkd values of 9.44±0.07 and 10.82±0.12 in the presence gpp(nh)p and absence gpp(nh)p, respectively. in dissociation studies, vilanterol has been reported to bind from the β2-ar with a dissociation t1/2 value of 3.5 min in the presence of gpp(nh)p. vilanterol has been found to have a good selectivity for β2-ar over the other β-ar receptor subtypes(β1and β3) with pec50 values of 10.37±0.05, 6.98±0.03 and 7.36±0.03, respectively. vilanterol has exhibited at least 1000-fold selectivity over both β1-and β3-ar subtypes [1].

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[1] slack rj1, barrett vj, morrison vs, sturton rg, emmons aj, ford aj, knowles rg.in vitro pharmacological characterization of vilanterol, a novel long-acting β2-adrenoceptor agonist with 24-hour duration of action.j pharmacol exp ther. 2013 jan; 344(1):218-30.