便宜有效的方法对抗HIV和疱疹病毒——女性高效阴道环

2015-09-20 MedSci MedSci原创

女性植入硅酮阴道环可以释放亲水分子如泰诺福韦(艾滋病抗病毒药物)和阿昔洛韦(治疗单纯疱疹病毒药物)。这一举措将有助于有暴露风险的女性避免艾滋病和性传播疾病(STIs)等疾病的感染。 法国圣艾蒂安大学病毒学家、化学家和硅胶工程师等研究人员通过努力,使得这一设想有望变成现实。 使用高分子材料实行控释技术的设想最早出现于20世纪60年代,研究人员已成功使用阴道环设备为女性提供长效类固醇以治疗更年期临床表

女性植入硅酮阴道环可以释放亲水分子如泰诺福韦(艾滋病抗病毒药物)和阿昔洛韦(治疗单纯疱疹病毒药物)。这一举措将有助于有暴露风险的女性避免艾滋病和性传播疾病(STIs)等疾病的感染。

法国圣艾蒂安大学病毒学家、化学家和硅胶工程师等研究人员通过努力,使得这一设想有望变成现实。

使用高分子材料实行控释技术的设想最早出现于20世纪60年代,研究人员已成功使用阴道环设备为女性提供长效类固醇以治疗更年期临床表现和避孕等用途。但是药物通透性为该研究设计的胜败关键。该设计的困难之处在于阴道环为硅胶材料,是一种疏水性化合物,而研究人员需要添加亲水性有机硅化合物,使药物释放入人体。

Meriam Memmi博士认为,若阴道环可以得以成功设计并使用,按照释放剂量为阿昔洛韦1.5-3.5mg/d、替诺福韦3-5mg/d,该阴道环可以使用50天。该剂量能够避免HIV、性传播疾病病毒、乙肝病毒和单纯疱疹病毒对女性的感染。该病毒具有保持药物高浓度和中和精液中病毒等多重功效。

目前该设计尚在临床试验中进行评估,希望未来可以得到普遍的推广和使用。但是需要考虑的是价格问题,因为低收入国家的性传播疾病较广泛,这些国家的女性患病人数较多,因此,物美价廉才是真道理。

原始出处:

Silicone vaginal ring may help protect underprivileged women against HIV, herpes,MNT,Sep,20 2015


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    2015-09-28 yydlt

    好东西

    0

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    2015-09-28 yydlt

    很有前景!

    0

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    2015-09-22 lovejing

    前景广阔

    0

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