J Sex Med:患者对初始PDE-5抑制剂治疗方案的依从性

2020-04-25 MedSci原创 MedSci原创

磷酸二酯酶5型(PDE-5)抑制剂治疗勃起功能障碍(ED)经常停药;依从性可能因最初的治疗方案不同而不同。为了评估启动他达拉非每日一次(OaD)、他达拉非按需治疗(pro re nata [PRN])

磷酸二酯酶5型(PDE-5)抑制剂治疗勃起功能障碍(ED)经常停药;依从性可能因最初的治疗方案不同而不同。为了评估启动他达拉非每日一次(OaD)、他达拉非按需治疗(pro re nata [PRN])或西地那非PRN对治疗依从性的影响。

 

在这项多中心、开放标签研究中,患有ED的男性(≥18岁)、对PDE-5抑制剂过敏的男性(≥18岁)被随机分配(1:1:1:1)给他达拉非5 mg OaD、他达拉非10 mg PRN或西地那非50 mg PRN。8周的随机治疗(RT)期间(剂量可能调整)由16周的实用型治疗(允许在PDE-5抑制剂之间进行切换)。治疗依从性被测量为RT期(任何原因)停止治疗的时间(任何原因),通过Kaplan-Meier产品极限法估计。治疗组间差异以危害比(HR;Cox比例危害)估计。

 

770名患者(平均年龄53岁)被随机分配到他达拉非OaD(N = 257)、他达拉非PRN(N = 252)和西地那非PRN(N = 261)。停止RT的患者的Kaplan-Meier估计分别为52.2、42.0和66.7%。与西地那非(67天)相比,他达拉非OaD和PRN的中位RT停药时间显著延长(130天和>168天)(HR[97.5%置信区间]:0.66[0.51,0.85]和0.49[0.37,0.65];P <0.001)。组间有显著性差异(P <0.05)的停药原因包括 "缺乏疗效(勃起时间)"(西地那非9.2%vs他达拉非OaD 4.3%,PRN 2. 8%),"由于行动窗口时间短而受到时间限制"(西地那非4.2%对他达拉非OaD 0%,PRN 0.4%),以及 "感觉药物控制了我的性生活"(西地那非2.7%对他达拉非OaD 0%)。在国际勃起功能指数-勃起功能领域从基线到RT结束的变化(最小二乘法均值:9.4-10.0,P = 0.359)或因不良事件导致的停药(1.2-1.6%),组间无差异。最常见的不良事件(≥4%)是头痛。

 

综上所述,该研究结果表明,被分配到他达拉非OaD或PRN的ED患者比分配到西地那非PRN的患者对初始治疗的坚持时间明显长。所有三个治疗组的勃起功能改善和安全状况都相似。

 

原始出处:

 

Jacques BuvatHartwig Büttner, et al., Adherence to Initial PDE-5 Inhibitor Treatment: Randomized Open-Label Study Comparing Tadalafil Once a Day, Tadalafil on Demand, and Sildenafil on Demand in Patients With Erectile Dysfunction. J Sex Med. 2013 Jun;10(6):1592-602. doi: 10.1111/jsm.12130. Epub 2013 Apr 2.

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    2020-05-26 jklm09
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    2020-04-27 fyxzlh
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    2020-04-27 智慧医人

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