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Presatovir (GS-5806) Sale

(Synonyms: GS-5806) 目录号 : GC32069

Presatovir (GS-5806) (GS-5806) 是一种可口服的 RSV 融合抑制剂,平均 EC50 值为 0.43 nM。

Presatovir (GS-5806) Chemical Structure

Cas No.:1353625-73-6

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1mg
¥1,035.00
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5mg
¥2,655.00
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10mg
¥3,915.00
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Sample solution is provided at 25 µL, 10mM.

Description

Presatovir (GS-5806) is a novel, orally bioavailable RSV fusion inhibitor with a mean EC50 value of 0.43 nM.

Presatovir is a novel, orally bioavailable RSV fusion inhibitor discovered following a lead optimization campaign on a hit originated from a phenotypic RSV antiviral high-throughput screen. Presatovir exhibits potent activity against a wide range of RSV A and B clinical isolates with a mean EC50 value of 0.43 nM[1]. GS-5806 inhibits pre to post triggered conformational changes of RSV F protein, suggesting a possible mechanism for antiviral activity[2].

Presatovir demonstrates dose-dependent (0-30 mg/kg) antiviral efficacy in a cotton rat model of RSV infection. Oral bioavailability in preclinical species ranges from 46 to 100%, with penetration of the compound into the lung tissue demonstrated in Sprague-Dawley rats. Multidose oral treatment of Presatovir appears safe in adults, and in healthy human volunteers experimentally infected with RSV, a potent antiviral effect and reduction in disease severity is observed in the high dose group. A group treated with a lower dose of Presatovir allows for a PK-PD relationship to be established to help guide future dose selections[1].

[1]. Mackman RL, et al. Discovery of an oral respiratory syncytial virus (RSV) fusion inhibitor (GS-5806) and clinical proof of concept in a human RSV challenge study. J Med Chem. 2015 Feb 26;58(4):1630-1643. [2]. Samuel D, et al. GS-5806 inhibits pre- to postfusion conformational changes of the respiratory syncytial virus fusion protein. Antimicrob Agents Chemother. 2015 Nov;59(11):7109-12.

实验参考方法

Cell experiment:

GS-5806 are diluted in 100% DMSO. To conduct the cytopathic antiviral assay, 0.4 μL of 100×concentrated 3-fold serially diluted drug is added to 20 μL of cell culture medium in a 384-well plate. HEp-2 cells are then suspended in MEM plus 10% FBS at a density of 1×105 cells/mL, are infected in bulk with RSV A2 at a titer of approximately 1×104.5 tissue culture infectious doses/mL. Immediately following infection, 20 μL of RSV-infected cells are added to each well. The cells are then cultured for 4 days at 37 °C. Following this incubation the cells are allowed to equilibrate to 25°C. The RSV-induced cytopathic effect is determined by adding 40 μL of Cell-Titer Glo viability reagent. Following a 10 min incubation at 25 °C, cell viability is determined[1].

References:

[1]. Mackman RL, et al. Discovery of an oral respiratory syncytial virus (RSV) fusion inhibitor (GS-5806) and clinical proof of concept in a human RSV challenge study. J Med Chem. 2015 Feb 26;58(4):1630-1643.
[2]. Samuel D, et al. GS-5806 inhibits pre- to postfusion conformational changes of the respiratory syncytial virus fusion protein. Antimicrob Agents Chemother. 2015 Nov;59(11):7109-12.

化学性质

Cas No. 1353625-73-6 SDF
别名 GS-5806
Canonical SMILES O=C(C(C=C(Cl)C=C1)=C1NS(C)(=O)=O)N(CCCC2)[C@@H]2C3=NN4C(N=C(N5CC[C@H](N)C5)C(C)=C4)=C3
分子式 C24H30ClN7O3S 分子量 532.06
溶解度 DMSO : 6 mg/mL (11.28 mM);Water : < 0.1 mg/mL (insoluble) 储存条件 Store at -20°C
General tips 请根据产品在不同溶剂中的溶解度选择合适的溶剂配制储备液;一旦配成溶液,请分装保存,避免反复冻融造成的产品失效。
储备液的保存方式和期限:-80°C 储存时,请在 6 个月内使用,-20°C 储存时,请在 1 个月内使用。
为了提高溶解度,请将管子加热至37℃,然后在超声波浴中震荡一段时间。
Shipping Condition 评估样品解决方案:配备蓝冰进行发货。所有其他可用尺寸:配备RT,或根据请求配备蓝冰。

溶解性数据

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1 mg 5 mg 10 mg
1 mM 1.8795 mL 9.3974 mL 18.7949 mL
5 mM 0.3759 mL 1.8795 mL 3.759 mL
10 mM 0.1879 mL 0.9397 mL 1.8795 mL
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