Triptans , which promote blood-vessel constriction and inflammation , block the release of cgrp in the trigeminal nerve .

引起血管收缩和发炎的曲坦类药物可以阻止三叉神经中cgrp的释放。

But the class of migraine medicines that hit the market in the 1990s called triptans remain the best or only treatment option for many patients .

但是上世纪90年代面市的曲坦类偏头痛药对很多患者来说仍然是最好或唯一的药物选择。