Naftopidil (KT-611, BM-15275, KT611, BM15275)，又称萘哌地尔，是具有口服活性的α1-肾上腺素能受体(α1-adrenergic receptor)拮抗剂，K_i为58.3 nM，能够缓解该受体兴奋所致的前列腺和尿道的交感神经性紧张，降低尿道内压，临床上常用于治疗良性前列腺增生症。

参考文献

[1] R Takei, et al. Naftopidil, a novel alpha1-adrenoceptor antagonist, displays selective inhibition of canine prostatic pressure and high affinity binding to cloned human alpha1-adrenoceptors. Jpn J Pharmacol. 1999 Apr;79(4):447-54.

[2] Yasuhide Hori, et al. Naftopidil, a selective {alpha}1-adrenoceptor antagonist, suppresses human prostate tumor growth by altering interactions between tumor cells and stroma. Cancer Prev Res (Phila). 2011 Jan;4(1):87-96.

冰袋运输。粉末直接保存于-25~-15℃，有效期3年。建议溶解分装后于-25~-15℃干燥保存，避免反复冻融。