Bridge HIV, San Francisco Department of Public Health, 25 Van Ness Avenue, Suite 100, San Francisco, CA, 94102, USA.
Department of Medicine, University of California, San Francisco, San Francisco, CA, USA.
AIDS Behav. 2021 Apr;25(4):1001-1012. doi: 10.1007/s10461-020-03054-2. Epub 2020 Oct 12.
Young men who have sex with men (YMSM) are highly vulnerable to HIV. While pre-exposure prophylaxis (PrEP) has demonstrated effectiveness, adherence has been low among YMSM and difficult to measure accurately. In collaboration with a healthcare company, we configured an automated directly-observed therapy (aDOT) platform for monitoring and supporting PrEP use. Based on interest expressed in focus groups among 54 YMSM, we combined aDOT with an electronic sexual diary to provide feedback on level of protection during sex and to motivate app use. In an 8-week optimization pilot with 20 YMSM in San Francisco and Atlanta, the app was found to be highly acceptable, with median System Usability Scale scores in the "excellent" range (80/100). App use was high, with median PrEP adherence of 91% based on aDOT-confirmed dosing. Most (84%) participants reported the app helped with taking PrEP. These promising findings support further evaluation of DOT Diary in future effectiveness studies.
男男性行为者(MSM)极易感染艾滋病毒。虽然暴露前预防(PrEP)已被证明有效,但 MSM 的用药依从性一直很低,且难以准确衡量。我们与一家医疗保健公司合作,为监测和支持 PrEP 使用配置了一个自动化直接观察治疗(aDOT)平台。基于对 54 名 MSM 进行的焦点小组中表达的兴趣,我们将 aDOT 与电子性日记相结合,以提供性行为期间的保护水平反馈,并激励应用程序的使用。在旧金山和亚特兰大的 20 名 MSM 参与的为期 8 周的优化试点中,该应用程序被认为具有高度的可接受性,中位系统可用性量表评分在“优秀”范围内(80/100)。该应用程序的使用频率很高,根据 aDOT 确认的剂量,PrEP 的平均用药依从性为 91%。大多数(84%)参与者表示该应用程序有助于服用 PrEP。这些有希望的发现支持在未来的有效性研究中进一步评估 DOT 日记。
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