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Zellweger spectrum disorder: A cross-sectional study of symptom prevalence using input from family caregivers
Molecular Genetics and Metabolism Reports ( IF 1.8 ) Pub Date : 2020-12-10 , DOI: 10.1016/j.ymgmr.2020.100694
Mousumi Bose 1 , David D Cuthbertson 2 , Marsha A Fraser 2 , Jean-Baptiste Roullet 3 , K Michael Gibson 3 , Dana R Schules 1 , Kelly M Gawron 1 , Melissa B Gamble 4 , Kathryn M Sacra 4 , Melisa J Lopez 4 , William B Rizzo 5
Affiliation  

Zellweger spectrum disorders (ZSD) are rare, debilitating genetic diseases of peroxisome biogenesis that affect multiple organ systems and present with broad clinical heterogeneity. Although many case studies have characterized the multitude of signs and symptoms associated with ZSD, there are few reports on the prevalence of symptoms to help inform the development of meaningful endpoints for future clinical trials in ZSD. In the present study, we used an online survey tool completed by family caregivers to study the occurrence, frequency and severity of symptoms in individuals diagnosed with ZSD. Responses from caregivers representing 54 living and 25 deceased individuals with ZSD were collected over an 8-month period. Both perception of disease severity and prevalence of various symptoms were greater in responses from family caregivers of deceased individuals compared to those of living individuals with ZSD. Compared with previous reports for ZSD, the combined prevalence of seizures (53%) and adrenal insufficiency (45%) were nearly twice as high. Overall, this community-engaged approach to rare disease data collection is the largest study reporting on the prevalence of symptoms in ZSD, and our findings suggest that previous reports may be underreporting the true prevalence of several symptoms in ZSD. Studies such as this used in conjunction with clinician- led reports may be useful for informing the design of future clinical trials addressing ZSD.



中文翻译:

Zellweger 谱系障碍:使用家庭照顾者输入的症状流行率横断面研究

Zellweger 谱系障碍 (ZSD) 是一种罕见的、使人衰弱的过氧化物酶体生物发生遗传疾病,会影响多个器官系统并具有广泛的临床异质性。尽管许多案例研究已经描述了与 ZSD 相关的众多体征和症状,但很少有关于症状流行的报道,以帮助为未来 ZSD 临床试验的有意义的终点的开发提供信息。在本研究中,我们使用由家庭护理人员完成的在线调查工具来研究被诊断患有 ZSD 的个体症状的发生、频率和严重程度。在 8 个月内收集了代表 54 名在世和 25 名已故 ZSD 患者的护理人员的回应。与患有 ZSD 的活着的人相比,死者的家庭照顾者对疾病严重程度和各种症状流行率的看法都更大。与以前的 ZSD 报告相比,癫痫发作 (53%) 和肾上腺功能不全 (45%) 的综合患病率几乎是两倍。总体而言,这种社区参与的罕见病数据收集方法是报告 ZSD 症状流行率的最大研究,我们的研究结果表明,以前的报告可能低估了 ZSD 中几种症状的真实流行率。与临床医生主导的报告结合使用的此类研究可能有助于为未来针对 ZSD 的临床试验的设计提供信息。癫痫发作 (53%) 和肾上腺功能不全 (45%) 的综合患病率几乎是两倍。总体而言,这种社区参与的罕见病数据收集方法是报告 ZSD 症状流行率的最大研究,我们的研究结果表明,以前的报告可能低估了 ZSD 中几种症状的真实流行率。与临床医生主导的报告结合使用的此类研究可能有助于为未来针对 ZSD 的临床试验的设计提供信息。癫痫发作 (53%) 和肾上腺功能不全 (45%) 的综合患病率几乎是两倍。总体而言,这种社区参与的罕见病数据收集方法是报告 ZSD 症状流行率的最大研究,我们的研究结果表明,以前的报告可能低估了 ZSD 中几种症状的真实流行率。与临床医生主导的报告结合使用的此类研究可能有助于为未来针对 ZSD 的临床试验的设计提供信息。

更新日期:2020-12-10
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