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NEJM:警惕脂肪酸酰胺水解酶抑制剂所致急性神经系统疾病风险!

2016-11-03 MedSci MedSci原创

脂肪酸酰胺水解酶(FAAH)活性降低,会导致内源性大麻素类似物或内源性大麻素水平的增加。动物模型已经表明,FAAH抑制剂具有镇痛和抗炎活性。一项1期研究,评估了BIA 10-2474——口服可逆FAAH抑制剂——对健康志愿者的安全性。研究纳入84名健康志愿者,服用单剂量(0.25 to 100 mg)和重复口服剂量(2.5 to 20 mg,10天)BIA 10-2474;未报告严重不良事件。另一

脂肪酸酰胺水解酶(FAAH)活性降低,会导致内源性大麻素类似物或内源性大麻素水平的增加。

动物模型已经表明,FAAH抑制剂具有镇痛和抗炎活性。

一项1期研究,评估了BIA 10-2474——口服可逆FAAH抑制剂——对健康志愿者的安全性。

研究纳入84名健康志愿者,服用单剂量(0.25 to 100 mg)和重复口服剂量(2.5 to 20 mg,10天)BIA 10-2474;未报告严重不良事件。另一组参与者被分配到安慰剂组(2例)或BIA 10-2474 50 mg/天(6例)。本报告主要集中在最后队列中参与者的神经系统不良事件。6名接受积极治疗的参与者中,有4名同意将其临床和影像学资料纳入本报告中。

在药物管理的第五天,四名参与者中,有三名出现神经系统综合征的急性和迅速发展。主要临床表现为头痛、小脑综合征、记忆障碍和意识障碍。磁共振成像显示双侧对称性脑病变,包括出血和液体衰减反转恢复高信号,以及弥散加权成像序列主要累及脑桥和海马。一名患者发展为脑死亡,两名患者病情好转,但一个病人残余记忆障碍,其他病人残留小脑综合征。一个病人仍然无症状。

摄入1期试验中BIA 10-2474最高剂量水平后,发生了意想不到的严重神经系统疾病。这种中毒性脑综合征的潜在机制尚不清楚。

原始出处:

Anne Kerbrat,Acute Neurologic Disorder from an Inhibitor of Fatty Acid Amide Hydrolase.N Engl J Med 2016; 375:1717-1725


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