Spielberg F, Critchlow C, Vittinghoff E, Coletti A S, Sheppard H, Mayer K H, Metzgerg D, Judson F N, Buchbinder S, Chesney M, Gross M
Department of Family Medicine, University of Washington, Seattle, USA.
AIDS. 2000 Aug 18;14(12):1819-28. doi: 10.1097/00002030-200008180-00018.
OBJECTIVE: To assess the feasibility and acceptability of bimonthly home oral fluid (OF) and dried blood spot (DBS) collection for HIV testing among high-risk individuals. DESIGN: A total of 241 participants [including men who have sex with men (MSM), injecting drug users (IDU), and women at heterosexual risk] were recruited from a randomly selected subset of study participants enrolled at four sites in the HIV Network for Prevention Trials (HIVNET) cohort, and assigned at random to bimonthly home collection of OF or DBS specimens over a 6 month interval. Participants could select telephone calls or clinic visits to receive HIV test results. METHODS: Bimonthly specimens were tracked for adherence to the schedule, were evaluated for adequacy for testing, and tested using antibody assays and polymerase chain reaction (PCR) for DBS. The acceptability of bimonthly home OF and DBS collection and telephone counseling was assessed in an end-of-study questionnaire. RESULTS: The laboratory received 96 and 90% of expected OF and DBS specimens, respectively; 99% of each specimen type was adequate for testing. Almost all (95%) participants chose results disclosure by telephone. The majority of participants (85%) reported that bimonthly testing did not make them worry more about HIV, and almost all (98%) judged that with bimonthly testing their risk behavior remained the same (77%) or became less risky (21%). CONCLUSION: Bimonthly home specimen collection of both OF and DBS with telephone counseling is acceptable and feasible among study participants at high risk. These methods will be useful for the early detection of HIV infection and remote follow-up of research cohort participants in HIV vaccine and prevention trials.
目的:评估对高危个体每两个月进行一次家庭口服液体(OF)和干血斑(DBS)采集用于HIV检测的可行性和可接受性。 设计:从参与HIV预防试验网络(HIVNET)队列研究的四个地点随机选取的一部分研究参与者中招募了总共241名参与者[包括男男性行为者(MSM)、注射吸毒者(IDU)以及有异性传播风险的女性],并将他们随机分配为在6个月的时间间隔内每两个月进行一次家庭OF或DBS样本采集。参与者可以选择通过电话或门诊就诊来获取HIV检测结果。 方法:对每两个月采集的样本进行跟踪以确保遵守时间表,评估样本是否适合检测,并使用抗体检测和针对DBS的聚合酶链反应(PCR)进行检测。在研究结束时的问卷中评估每两个月进行一次家庭OF和DBS采集以及电话咨询的可接受性。 结果:实验室分别收到了预期OF样本的96%和DBS样本的90%;每种样本类型的99%都适合检测。几乎所有(95%)参与者选择通过电话得知检测结果。大多数参与者(85%)报告称每两个月进行一次检测并没有使他们更担心感染HIV,并且几乎所有(98%)参与者判断通过每两个月进行一次检测,他们的风险行为保持不变(77%)或风险降低(21%)。 结论:对于高危研究参与者,每两个月进行一次家庭OF和DBS样本采集并辅以电话咨询是可接受且可行的。这些方法将有助于早期检测HIV感染,并对HIV疫苗和预防试验中的研究队列参与者进行远程随访。
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