Indacaterol Maleate

A long-acting β2-adrenergic receptor agonist

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5mg

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1080.00

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货号: ajci6502
CAS: 753498-25-8
别名: 马来酸茚达特罗; QAB149
分子式: C24H28N2O3.C4H4O4
分子量: 508.56
纯度: >98%
溶解度: ≥ 51.6 mg/mL in DMSO, ≥ 10.02 mg/mL in ETOH with gentle warming
储存: Store at -20°C
库存: 现货

Background

Indacaterol (QAB149) maleate is an ultra-long-acting β-adrenoceptor agonist.

Indacaterol (QAB149) inhibits cAMP production in Chinese hamster ovary cells stably transfected with human β2 adrenoceptors with pEC50 of 8.06. Indacaterol (QAB149) inhibits electrically induced contraction on the electrically stimulated guinea pig trachea in a concentration-dependent manner with pEC50 of 8.23. Indacaterol induces a concentration-dependent inotropic effect with maximal efficacy of 75% in the isolated guinea pig left atrium[1]. Indacaterol reverses the carbachol-induced contraction in a concentration-dependent manner with IC50 of 37 nM in human small airways. Indacaterol concentration dependently reverses the serotonin-induced contraction with IC50 of 10.5 nM in rat small airways. Indacaterol has the highest intrinsic efficacy of 53% in rat small airways and 73% in human small airways[2]. Indacaterol (QAB149) (6.7 μg/kg) inhibits 5-HT-induced bronchoconstriction with a maximal effect of 85% in the conscious guinea pig. Indacaterol (QAB149) (12.5 μg/kg) dose-dependently inhibits methacholine-induced bronchoconstriction with a maximal effect of 85% in the anesthetized rhesus monkey[1].

参考文献:
[1]. Battram, C., et al., In vitro and in vivo pharmacological characterization of 5-[(R)-2-(5,6-diethyl-indan-2-ylamino)-1-hydroxy-ethyl]-8-hydroxy-1H-quinolin-2-o ne (indacaterol), a novel inhaled beta(2) adrenoceptor agonist with a 24-h duration of action. J Pharmacol Exp Ther, 2006. 317(2): p. 762-70.
[2]. Sturton, R.G., et al., Pharmacological characterization of indacaterol, a novel once daily inhaled 2 adrenoceptor agonist, on small airways in human and rat precision-cut lung slices. J Pharmacol Exp Ther, 2008. 324(1): p. 270-5.