Trial reportJournal of neurology2025
Feasibility and effects of cognitive training on cognition and psychosocial function in Huntington's disease: a randomised pilot trial.
Trial report in Journal of neurology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Authors and funding
6 authors.
Funding
Abstract
backgroundHuntington's disease (HD) is a rare neurodegenerative disease that causes progressive cognitive, physical, and psychiatric symptoms. Computerised cognitive training (CCT) is a novel intervention that aims to improve and maintain cognitive functions through repeated practice. The effects of CCT have yet to be established in HD. This randomised pilot trial examined the feasibility of a large scale trial to assess efficacy of multidomain CCT in pre-manifest and early-stage HD.
methods28 participants were randomised to either at-home CCT (2 × 60 min sessions per week for 12 weeks; n = 13) or lifestyle education through monthly newsletters (n = 15). Participants completed cognitive tasks and questionnaires at baseline and follow up, either in person (n = 18) or via video teleconferencing (n = 10).
resultsAll participants were retained at follow up, and adherence to CCT ranged from 96 to 100%, with 11/13 participants completing all sessions. Preliminary analyses showed evidence of a large effect of CCT on task switching and response inhibition, compared to lifestyle education. There was no evidence of specific benefit to other cognitive domains (processing speed, basic and divided attention, working memory), or psychosocial functions (subjective cognition, mood, health-related quality of life). DISCUSSION: Whilst retention and adherence rates were high, recruitment rates were low, suggesting that a large scale trial may be feasible with some modifications to increase recruitment rates, such as by reducing time burden associated with the study, and using a multi-site trial design. Potential effects on cognitive functioning warrant further investigation. CLINICAL
trial registrationThe trial was prospectively registered on the Australian New Zealand Clinical Trials Registry (ACTRN12622000908730).
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