The ALSFRS-R Summit: a global call to action on the use of the ALSFRS-R in ALS clinical trials.

Angela Genge, Jesse M Cedarbaum, Jeremy Shefner, Adriano Chio, Ammar Al-Chalabi, Philip Van Damme, Chris McDermott, Jonathan Glass, James Berry, Ruben P A van Eijk, Christina Fournier, Julian Grosskreutz, Jinsy Andrews, Vanessa Bertone, Tommy M Bunte, Mathias Couillard, Cathy Cummings, Gale Kittle, John Polzer, Kristiana Salmon, Corey Straub, Leonard H van den Berg
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Abstract

The Amyotrophic Lateral Sclerosis Functional Rating Scale (ALSFRS) was developed more than 25 years ago as an instrument to monitor functional change over time in patients with ALS. It has since been revised and extended to meet the needs of high data quality in ALS trials (ALSFRS-R), however a full re-validation of the scale was not completed. Despite this, the scale has remained a primary outcome measure in clinical trials. We convened a group of clinical trialists to discuss and explore opportunities to improve the scale and propose alternative measures. In this meeting report, we present a call to action on the use of the ALSFRS-Revised scale in clinical trials, focusing on the need for (1) harmonization of the ALSFRS-R administration globally, (2) alignment on a set of recommendations for clinical trial design and statistical analysis plans (SAPs), and (3) use of additional outcome measures.

ALSFRS-R 峰会:关于在 ALS 临床试验中使用 ALSFRS-R 的全球行动呼吁。
肌萎缩侧索硬化症功能评定量表(ALSFRS)是 25 年前开发的一种监测肌萎缩侧索硬化症患者随时间推移功能变化的工具。此后,为了满足 ALS 试验对高数据质量的需求,对该量表进行了修订和扩展(ALSFRS-R),但并未完成对该量表的全面重新验证。尽管如此,该量表仍然是临床试验的主要结果测量指标。我们召集了一组临床试验专家,讨论和探索改进量表的机会,并提出了替代测量方法。在本会议报告中,我们呼吁在临床试验中使用 ALSFRS-R 修订版量表,重点关注以下需求:(1)在全球范围内统一 ALSFRS-R 的使用方法;(2)统一临床试验设计和统计分析计划 (SAP) 的建议;(3)使用其他结果测量方法。
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