左旋千金藤立定是新化学类型的多巴胺受体阻滞剂,它对D_1和D_2 受体均有亲和力;并具有一定的镇静效应,其作用性质与脑内阿片受体无关.药物动力学和毒理研究显示,该药吸收快,符合二室模型;急性和慢性应用对心、肝、肾功能无明显影响。该药试用于血管性头痛,药物诱发的多动症,儿童秽语多动综合征等,取得了良好的效益. Levospondine is a new chemical type of dopamine receptor blocker, which has affinity for both D_1 and D_2 receptors, and has some sedating effects, and its action properties have nothing to do with intracerebral opioid receptors. Pharmacokinetics and toxicity Rational research shows that the drug absorbed fast, in line with two-compartment model; acute and chronic application of heart, liver and kidney function had no significant effect. The drug test for vascular headache, drug-induced ADHD, children with Tourette syndrome, and achieved good results.