Documenting manifestations and impacts of recessive ataxia to develop patient-reported outcome.

Abstract Background. Autosomal recessive cerebellar ataxias (ARCA) are a group of rare inherited disorders characterized by degeneration or abnormal development of cerebellum. Autosomal recessive spastic ataxia of Charlevoix-Saguenay (ARSACS) is the second most prevalent in Europe. Objectives. The aim of this study is to provide a better understanding of manifestations and impacts of ARSACS. Methods. A systematic review of literature has been conducted followed by a qualitative study using semi-structured interviews and discussion groups to get the experience of people affected. Results. According to the PROMIS framework, results show manifestations and impacts in three components of health: physical, mental, and social. Fatigue and struggles with balance and dexterity are the are the physical manifestations of the disease most often cited by participants. Negative affects like frustration and depression are among the mental health impacts with some loss in cognitive abilities. Social health is the least documented component; nonetheless, people with the disease report significant impacts in terms of social relationships, activities and work. Conclusions. These findings shed a new light on the experience of people with recessive ataxia and identify key aspects to assess to improve their overall health.