Levetiracetam (Lev) is a novel orally active antiepileptic drug, structurally unrelated to other antiepileptics and with an entirely unique preclinical profile.

• 摘要左乙拉西坦是一种新型的口服抗癫痫药物，与其他抗癫痫药物的结构不同，具有全新的抗癫痫机制。