Sumatriptan succinate,103628-48-4

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产品名称：Sumatriptan succinate

产品别名：舒马普坦琥珀酸盐

英文别名：GR 43175;GR-43175

靶点：5-HT

CAS：103628-48-4

纯度：>98%

外观：见爱必信官网

保存方法：store at -20℃ for one year（Powder）； in DMSO or others solvent store at 2-4℃ for two weeks, at -20℃ for six months.

描述：

Sumatriptan Succinate是一种含有磺酰胺基团的曲坦类磺胺类药物，用于ZL偏头痛。Sumatriptan对5-HT1D（Ki=17 nM）和5-HT1B结合位点（Ki= 27 nM）表现亲和力，对5-HT 1A结合位点（KI=100 nM）的亲和力略弱。Sumatriptan选择性收缩在偏头痛期间扩张和发炎的颅血管，这一作用由动物颅血管中的5-HT1受体亚型介导。Sumatriptan在大鼠，狗，兔中的生物活性是37％，58％和23％。Sumatriptan通过代谢和肾清除迅速清除，半衰期为1-2小时。

溶解性：DMSO ：31 mg/mL (75 mM)
Water ：41.4 mg/mL (100 mM)

体外研究：

Sumatriptan displays the highest affinity for 5-HT1D (Ki = 17 nM) and 5-HT1B (Ki = 27 nM) binding sites and is slightly less potent at 5-HT1A binding sites (Ki = 100 nM). Sumatriptan markedly attenuates plasma protein extravasation induced by electrical trigeminal ganglion stimulation. Sumatriptan reduces morphological changes in post-capillary venules and mast cells within dura mater following electrical trigeminal ganglion stimulation.

体内研究：Sumatriptan at a clinically relevant dose (100 mg/kg, s.c.) leads to a significant reduction of the mechanical allodynia-like behaviour on both the injured and the contralateral sides (peak-effects 6.3 g and 4.4 g, respectively) in a rat model of trigeminal neuropathic pain. Sumatriptan reduces the numbers of Fos-positive cells found in laminae I and IIo of the trigeminal nucleus caudalis and C2 (6, 13 cells and 9 cells, respectively) after mechanical stimulation in cats. Sumatriptan constricts selectively the cranial vessels that are distended and inflamed during migraine, the action is mediated by activation of a 5-HT1 receptor subtype which has been shown in animals to be localized in cranial vessels. Sumatriptan results in oral bioavailabilities of 37, 58 and 23% in rat, dog and rabbit, respectively. sumatriptan is cleared rapidly by metabolic and renal clearance with a half-life of 1-2 hour in rat, dog and rabbit. Sumatriptan produces few adverse pharmacodynamic effects when administered acutely, except at high doses, although it is less well tolerated in dogs.

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