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Outcome Assessment in Parkinson Disease Prevention Trials: Utility of Clinical and Digital Measures.
Neurology ( IF 7.7 ) Pub Date : 2022-08-16 , DOI: 10.1212/wnl.0000000000200236
Anat Mirelman 1 , Andrew Siderowf 1 , Lana Chahine 1
Affiliation  

BACKGROUND AND OBJECTIVES The prodromal phase of Parkinson disease (PD) is accompanied by subtle clinical signs that are not sufficient for diagnosis but could potentially be measured in the context of clinical trials of therapies intended to delay or prevent more definitive clinical features. The objective of this study was to review the available literature on the presence and time course of subtle motor features in prodromal PD in the context of planning for possible clinical trials. METHODS We reviewed the available literature based on expert opinion. We considered a range of outcomes including measurement of clinical features, patient-reported outcomes, digital markers, and clinical diagnosis. RESULTS We considered these features and measures in the context of patient stratification, intermediate outcomes, and clinically relevant end points, including phenoconversion. DISCUSSION Substantial progress has been made in understanding how motor features evolve in the period immediately before a PD diagnosis. Digital measures hold substantial progress for measurement precision and may be additionally relevant because they can be used in naturalistic environments outside the clinic. Future studies should focus on advancing digital sensor technology and analysis and developing methods to implement available methods, particularly determination of a clinical diagnosis of PD, in a clinical trial context.

中文翻译:

帕金森病预防试验的结果评估:临床和数字测量的效用。

背景和目标 帕金森病 (PD) 的前驱期伴随着微妙的临床症状,这些症状不足以诊断,但可能在旨在延迟或预防更明确临床特征的治疗的临床试验中进行测量。本研究的目的是在规划可能的临床试验的背景下,回顾现有的关于前驱 PD 微妙运动特征的存在和时间进程的文献。方法 我们根据专家意见回顾了现有文献。我们考虑了一系列结果,包括临床特征的测量、患者报告的结果、数字标记和临床诊断。结果 我们在患者分层、中间结果和临床相关终点的背景下考虑了这些特征和措施,包括表型转化。讨论 在了解 PD 诊断前的运动特征如何演变方面取得了实质性进展。数字测量在测量精度方面取得了实质性进展,并且可能具有额外的相关性,因为它们可以用于诊所以外的自然环境中。未来的研究应侧重于推进数字传感器技术和分析和开发方法以实施可用的方法,特别是在临床试验环境中确定 PD 的临床诊断。数字测量在测量精度方面取得了实质性进展,并且可能具有额外的相关性,因为它们可以用于诊所以外的自然环境中。未来的研究应侧重于推进数字传感器技术和分析和开发方法以实施可用的方法,特别是在临床试验环境中确定 PD 的临床诊断。数字测量在测量精度方面取得了实质性进展,并且可能具有额外的相关性,因为它们可以用于诊所以外的自然环境中。未来的研究应侧重于推进数字传感器技术和分析和开发方法以实施可用的方法,特别是在临床试验环境中确定 PD 的临床诊断。
更新日期:2022-08-16
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