首页> 外国专利> A prophylactic and therapeutic agent for benign prostatic hyperplasia comprising a pyrazolopyrimidinone compound as an active ingredient

A prophylactic and therapeutic agent for benign prostatic hyperplasia comprising a pyrazolopyrimidinone compound as an active ingredient

机译:吡唑并嘧啶酮化合物作为有效成分的前列腺增生的预防和治疗剂

摘要

The present invention relates to an agent for preventing and treating benign prostatic hyperplasia (BPH) and lower urinary tract symptoms (LUTS) associated with BPH and a relaxant for relaxing urethral smooth muscle or prostatic smooth muscle comprising a pyrazolopyrimidinone compound as an effective ingredient. The agent in accordance with the present invention can provide nitric oxides by inhibiting the activity of PDE-5 that decomposes c-GMP, and the provided nitric oxides relax the urethral smooth muscle or the prostatic smooth muscle to lower the intraurethral pressure (IUP), thus treating BPH and LUTS associated with BPH. Furthermore, the time required for reaching a maximum blood concentration is shorter and the half-life is longer than the other PDE-5 inhibitors, thus reducing the frequency of administration. Moreover, the agent of the invention causing few side effects can be efficiently used as a safe drug.
机译:本发明涉及一种预防和治疗与前列腺增生相关的良性前列腺增生(BPH)和下尿路症状(LUTS)的药物,以及一种用于松弛尿道平滑肌或前列腺平滑肌的松弛剂,其包含吡唑并吡咯烷二酮化合物作为有效成分。根据本发明的药剂可以通过抑制分解c-GMP的PDE-5的活性来提供一氧化氮,并且所提供的一氧化氮可以放松尿道平滑肌或前列腺平滑肌,从而降低尿道内压(IUP),从而治疗BPH和与BPH相关的LUTS。此外,与其他PDE-5抑制剂相比,达到最大血药浓度所需的时间更短,半衰期更长,因此降低了给药频率。此外,引起副作用少的本发明的试剂可以有效地用作安全药物。

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