The present invention provides a drug for preventing or treating chronic pain and a method for preventing or treating chronic pain. A pharmaceutical composition comprising a serotonin-3 receptor agonist such as a compound represented by the following formula (I):
[wherein: m is an integer of 1 to 4; and R1 is each independently selected from the group consisting of a hydrogen atom, a halogen atom, a methyl group optionally substituted with 1 to 3 halogen atom(s), a methoxy group optionally substituted with 1 to 3 halogen atom(s), and a methylthio group optionally substituted with 1 to 3 halogen atom(s)] or a pharmaceutically acceptable salt thereof is useful for preventing or treating chronic pain. The above pharmaceutical composition is also useful for preventing or treating acute pain. Further, the present invention provides a method for screening a compound for preventing or treating chronic pain, the method comprising measuring a serotonin-3 receptor agonist activity.
本发明提供了一种预防或治疗慢性疼痛的药物和一种预防或治疗慢性疼痛的方法。一种药物组合物,包含
血清素-3 受体激动剂,例如由下式(I)代表的化合物:
[其中:m 为 1 至 4 的整数;且 R1 各自独立地选自由氢原子、卤素原子、任选被 1 至 3 个卤素原子取代的甲基、任选被 1 至 3 个卤素原子取代的甲氧基和任选被 1 至 3 个卤素原子取代的甲
硫基组成的组]或其药学上可接受的盐,可用于预防或治疗慢性疼痛。上述药物组合物也可用于预防或治疗急性疼痛。此外,本发明还提供了一种用于筛选预防或治疗慢性疼痛的化合物的方法,该方法包括测定5-羟
色胺-3受体激动剂的活性。