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Orvepitant maleate

CAS No. : 579475-24-4

MCE 站：Orvepitant maleate

产品活性：Orvepitant maleate (GW823296 maleate) 是一种有效，选择性，口服活性且耐受性良好的 neurokinin-1 (NK-1) 受体拮抗剂，对人 neurokinin-1 受体的 pK_i 为 10.2。Orvepitant maleate 可以穿越血脑屏障。Orvepitant maleate 可用于抑郁症和慢性顽固性咳嗽的研究。

研究领域：GPCR/G Protein  |  Neuronal Signaling

作用靶点：Neurokinin Receptor

In Vitro: Orvepitant (Compound 3a) is further characterized in terms of the ability to functionally inhibit substance P (SP)-induced release of cytosolic Ca²⁺ in human neurokinin-1 receptor (hNK1)-CHO cells. Orvepitant (0.3-10 nM), pre-incubated for 1 h at 37℃ before adding the agonist SP, produces a non-surmountable antagonism of agonist concentration-response curve. For Orvepitant apparents pK_B value of 10.30.

In Vivo: Orvepitant (Compound 3a; 0.3-10 mg/kg; Oral administration; marmoset) treatment shows a dose dependant reduction of the number of postures was observed at 1 mg/kg (34.9% reduction), 3 mg/kg (36.6% reduction) and 10 mg/kg (46.4% reduction), suggesting a potential anxiolytic-like effect of the compound.
Orvepitant (compound 3a) shows an oral bioavailability (F) of 17% in rat and 55% in dog, plasma clearance (Clp) of 29 mL/min/kg in rat and 6 mL/min/kg in dog and a half-life of 2.3 h in rat and 6.1 h in dog. As far as the brain penetration in rats is concerned, a B/P ratio of 1.2 is observed 5 min after the i.v. administration of a 1 mg/kg dose of Orvepitant.

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