The present invention relates to prophylactic antimigraine agents comprising as an active ingredient a dual antagonist for the 5-HT
2B
and 5-HT
7
receptors, the antagonist having a binding affinity selective for the 5-HT
2B
and 5-HT
7
receptors.
Since these prophylactic antimigraine agents show an excellent pharmacological effect in comparison with the cases in which a 5-HT
2B
receptor antagonist having a selective binding affinity to the 5-HT
2B
receptor or a 5-HT
7
receptor antagonist having a selective binding affinity to the 5-HT
7
receptor is used alone, they are useful as drugs which are excellent in prophylaxis of migraine and in which the side effects found in the existing prophylactic antimigraine agents are reduced.
本发明涉及预防偏头痛的药物,其作为活性成分包括对5-HT2B和5-HT7受体的双重拮抗剂,该拮抗剂具有选择性结合5-HT2B和5-HT7受体的结合亲和力。由于这些预防性
抗偏头痛药物与仅使用具有选择性结合亲和力的5-HT2B受体拮抗剂或5-HT7受体拮抗剂相比,表现出优异的药理作用,因此它们是在预防偏头痛方面优秀的药物,其中减少了现有预防偏头痛药物中发现的副作用。