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Three-Week Video- and Home-Based Training Program for People with Ataxia: A Pilot Randomized Controlled Trial
Clara Rentz1, Alisha Reinhardt1, Naomi Jung1
1Institute of Neuroscience and Medicine (INM-1), Research Centre Jülich, Jülich, Germany.
Movement Disorders Clinical Practice
|July 14, 2025
Summary
Video-based training may improve gait and balance in hereditary ataxia patients with higher disease severity and better well-being. Longer, less frequent sessions showed potential for improvement.
Area of Science:
- Neurology
- Rehabilitation Medicine
- Biomedical Engineering
Background:
- Gait and balance impairment are significant disabling features in degenerative cerebellar ataxia.
- Hereditary ataxia, a subset of degenerative cerebellar ataxia, presents with progressive motor dysfunction.
Purpose of the Study:
- To evaluate the efficacy of additional video-based training in individuals with mild to moderate hereditary ataxia.
- To compare different frequencies of video-based training against a control group.
- To investigate the influence of clinical characteristics on training outcomes.
Main Methods:
- A rater-blinded, parallel 3-arm randomized controlled trial with a delayed-start design was conducted.
- Participants were assigned to either a Train20 (4x20min/week), Train40 (2x40min/week) video-based training group, or a control group receiving standard medical care.
- Digital gait and balance measures were assessed pre- and post-intervention. Statistical analyses included ANOVA, linear mixed models, and paired t-tests.
Main Results:
- No significant group differences in gait/balance variables were observed over time.
- Participants with higher initial disease severity, greater functional impairment, and better well-being demonstrated significant improvements in specific gait parameters (feet-together stance, normal gait, backward gait).
- Exploratory analysis indicated potential benefits from the Train40 (less frequent, longer sessions) group.
Conclusions:
- The study did not demonstrate generalizable improvements in gait/balance for mild/moderate ataxia patients irrespective of training frequency.
- Clinical characteristics such as disease severity, functional impairment, and mental well-being significantly influence training outcomes.
- Future interventions should consider tailoring training frequency and duration, emphasizing the role of psychological well-being in enhancing motor rehabilitation.
