ART Adherence and Secondary Prevention of HIV
ART 依从性和 HIV 二级预防
基本信息
- 批准号:8501618
- 负责人:
- 金额:$ 66.19万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2012
- 资助国家:美国
- 起止时间:2012-07-01 至 2017-04-30
- 项目状态:已结题
- 来源:
- 关键词:AIDS preventionAcquired Immunodeficiency SyndromeAddressAdherenceAlcohol or Other Drugs useAnti-Retroviral AgentsBehaviorBehavioralBehavioral SciencesCaringCellular PhoneClinicCognitive deficitsCommunicable DiseasesCommunicationCommunitiesDataDrug resistanceDrug usageEffectiveness of InterventionsExhibitsGoalsHIVHIV SeropositivityHIV drug resistanceHealthIndividualInformation ManagementIngestionInterventionMeasuresMeta-AnalysisMethodsMonitorOutcomePatient Self-ReportPatientsPersonsPharmaceutical PreparationsPilot ProjectsPopulationPreventionPsychological reinforcementPsychologistQuality of lifeRandomizedRelative (related person)Risk BehaviorsScienceSecondary PreventionSelf EfficacySpecialistSubstance Use DisorderSymptomsTechniquesTechnologyTimeViral Load resultVulnerable Populationsantiretroviral therapybasebehavioral/social scienceclinical practicecontingency managementcostcost effectivenessdepressive symptomseffective interventionfollow-uphigh riskimprovedindexingintervention effectintravenous drug usemedication compliancemultidisciplinarynew technologynovelpreventprimary outcomepsychosocialreinforcerresistant strainsocial science researchstandard caresuccesstransmission processtreatment duration
项目摘要
DESCRIPTION (provided by applicant): ART adherence and secondary prevention of HIV Anti-retroviral medications (ART) prevent the progression of HIV. However, substantial proportions of HIV positive individuals fail to adhere adequately to ART, resulting in spread of potentially drug-resistant strains to the community. A low cost method to boost ART adherence and thereby reduce the spread of HIV involves cell phone reminders, and our preliminary study (Hardy et al., 2011) finds significant effects of cell phone reminders for improving adherence. Contingency management (CM) also shows promise for improving ART adherence. CM involves providing tangible reinforcement each time the behavior (medication ingestion) is exhibited. Studies evaluating CM for increasing ART adherence have relied upon MEMS caps, but reinforcement of adherence via MEMS caps is done relatively infrequently and with delay, hindering its efficacy. Cell phones allow for reinforcement of adherence in real time. Because effect sizes of CM interventions are larger the more immediately the reinforcement is paired with the behavior targeted for change, integration of cell phone based reinforcement should improve adherence beyond reminders alone. Pilot data show feasibility, acceptability, and initial efficacy of cell phone administered CM using videoing recording techniques to verify medication adherence. Moreover, effective CM interventions have been shown to reduce risk behaviors in high-risk populations. In this study, we propose to randomize 165 HIV-positive patients to one of three 16-week treatment conditions: (1) standard care; (2) standard care + cell phone-based adherence reminders; or (3) standard care + cell phone-based adherence reminders and CM. In this latter condition, patients will earn reinforcement for sending in time- and date-stamped self videos of ART ingestion. Primary outcomes will include self-report measures of adherence and objective indices of viral loads, and effects will be evaluated both during the treatment period and throughout a one-year follow-up. Effects of these interventions on risk behaviors will be evaluated as well. We hypothesize that the cell phone reminder condition will improve adherence relative to standard care, and the cell phone reminder plus CM condition will have the best outcomes. We will also estimate the cost-effectiveness of these interventions. Results from this study may have widespread implications for the use of cell phones as a novel technology to improve initial adherence to ART, thereby reducing the spread of drug resistant HIV strains to the community.
描述(由申请人提供):抗逆转录病毒药物(ART)的遵守和二级预防可防止艾滋病毒的发展。然而,相当大比例的艾滋病毒阳性个人未能充分遵守抗逆转录病毒疗法,导致潜在的抗药性毒株向社区传播。提高抗逆转录病毒治疗依从性从而减少艾滋病毒传播的一种低成本方法涉及手机提醒,我们的初步研究(Hardy等人,2011年)发现手机提醒对提高依从性有显著效果。应急管理(CM)也显示出提高ART依从性的前景。CM涉及在每次表现出行为(药物摄取)时提供有形的强化。评估CM提高ART依从性的研究一直依赖于MEMS帽,但通过MEMS帽加强黏附性的工作相对较少且延迟进行,从而阻碍了其有效性。手机可以实时加强忠诚度。因为CM干预的效果越大,强化就越快地与目标改变的行为配对,因此基于手机的强化的整合应该会提高遵从性,而不仅仅是提醒。试点数据显示了手机给药的可行性、可接受性和初步疗效,使用视频记录技术来验证用药依从性。此外,有效的CM干预已被证明可以减少高危人群的危险行为。在这项研究中,我们建议将165名HIV阳性患者随机分为三种16周治疗条件之一:(1)标准护理;(2)标准护理+基于手机的依从性提醒;或(3)标准护理+基于手机的依从性提醒和CM。在后一种情况下,患者将因发送带有时间和日期戳的ART摄取自我视频而获得支持。主要结果将包括自我报告的依从性测量和病毒载量的客观指数,并将在治疗期间和整个一年的随访期间对效果进行评估。还将评估这些干预措施对危险行为的影响。我们假设,与标准护理相比,手机提醒条件将提高依从性,并且手机提醒+CM条件将具有最佳结果。我们还将评估这些干预措施的成本效益。这项研究的结果可能对使用手机作为一种新技术来改善最初对抗逆转录病毒疗法的依从性,从而减少耐药艾滋病毒毒株在社区的传播具有广泛的影响。
项目成果
期刊论文数量(0)
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