评估体力功能和认知能力下降的有意义的变化在元染色性白血病:一个护理者采访研究研究
Susan Martin1, Nimanee Harris2, Dorothy Romanus3
1RTI Health Solutions, Ann Arbor, MI, USA. smartin@rti.org.
Journal of patient-reported outcomes
|July 17, 2023
概括
护理人员发现,延缓运动和语言衰退对患有甲基色白血病 (MLD) 的儿童有意义. 这支持使用MLD中的总运动功能分类 (GMFC-MLD) 和MLD中的表达性语言功能分类 (ELFC-MLD) 作为试验终点.
科学领域:
- 神经学 神经学
- 遗传学 是一个遗传学.
- 溶酶体储存疾病 溶酶体储存疾病
背景情况:
- 甲染色性白血病 (MLD) 是一种罕见的遗传疾病,由于甲基硫酶A (ASA) 缺乏,影响神经系统.
- 目前的MLD治疗方法有限,通过造血干细胞移植的基因疗法是特定亚型的唯一批准的选择.
- 从患者和护理人员的角度评估治疗益处的临床意义对于治疗评估至关重要.
研究的目的:
- 评估从护理人员的角度来看,通过MLD (GMFC-MLD) 的总运动功能分类来衡量减缓总运动功能下降的临床意义.
- 评估沟通能力下降的感知意义,通过MLD表达性语言功能分类 (ELFC-MLD) 来衡量.
- 为了告知选择的终点为第二阶段临床试验调查MLD. 内复合人体ASA. 在MLD.
主要方法:
- 半结构化的电话采访与被诊断为晚期婴儿MLD的儿童的护理人员进行.
- 护理人员使用GMFC-MLD和ELFC-MLD尺度报告了他们孩子的运动和语言进展.
- 该研究的重点是了解护理人员对疾病进展有意义的延迟的看法.
主要成果:
- 大多数护理人员 (10/12) 认为延迟MLD进展是有意义的.
- 所有被问及的护理人员都认为运动功能下降的减缓 (例如,在2年内GMFC-MLD类别1到3) 是有意义的.
- 护理人员发现延迟表达性语言下降是有意义的,特别是当它没有表明完全失去沟通时 (ELFC-MLD类别1-3).
结论:
- 护理人员的观点强烈支持推迟MLD总运动功能下降的意义,验证GMFC-MLD作为临床试验的关键终点.
- 通过ELFC-MLD评估的沟通能力也很重要,应该在未来的临床试验设计中考虑.
- 这些发现将有助于完善正在进行和未来的MLD临床试验的终点,确保治疗效益与患者和家庭的优先事项保持一致.
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