About this trial
The goal of this observational study is to learn about the usefulness of a test of social functioning in persons with Huntington disease. Huntington disease affects motor function, psychological well-being and cognitive functions ("thinking abilities" such as paying attention, remembering and solving problems). It is also believed to affect important social functions, including the ability to understand others' intentions and emotions (social cognition). The test of interest in this study is called The Double Movie for the Assessment of Social Cognition-Multiple Choice (DMASC-MC) and will be compared to two other similar and well-known tests. The main question which the study aims to answer is:
• Is DMASC-MC a useful tool for detecting problems with social functioning in adult persons with early Huntington disease? In the study, participants will meet with a medical doctor and a psychologist for assessment of different symptoms related to Huntington disease, including social functioning. Better methods for identifying problems with social functioning could help persons with Huntington disease and their families in mainly two ways. Firstly, it could increase their understanding of how the disease has affected them. Secondly, a better understanding of these problems could lead to better recommendations and interventions from medical teams, which would also benefit persons with Huntington disease and families.
Eligibility criteria
This trial accepts healthy volunteersQualifiers
Clinical diagnosis of HD
CAG repeat: 40 and more
Disqualifiers
Dementia or MOCA<19, The Mini Mental State Examination (MMSE) <19
Other neurological disorders
Ongoing psychosis
Ongoing alcohol/drug addiction
Trial population
Recruitment of participants will be made at the HD clinic in Lund, Sweden and through ethical review board-approved advertisment material posted at social media platforms and websites hosted by the Huntingtoncenter at Lund and the Swedish patient organization Riksförbundet för Huntingtons sjukdom (RHS) as well as YTAN.
Trial design
Case-control
Cross-sectional
Treatments tested in this trial
Not listed
Trial groups
Trial outcomes
Primary outcomes
Significant difference in mean value of "Double Movie for the Assessment of Social Cognition-Multiple Choice" (DMASC-MC) total score between HD and controls
To investigate if persons with HD have a significantly lower score than a control group in the test "Double Movie for the Assessment of Social Cognition-Multiple Choice" (DMASC-MC)". DMASC-MC: Minimum value 0, maximum value 44, higher scores mean a better outcome.
Secondary outcomes
Significant difference in mean value of Reading the Mind in the Eyes Test (RMET) total score between HD and controls
To investigate if persons with HD have a significantly lower score than a control group in the Reading the Mind in the Eyes Test (RMET) test. RMET: Minimum value 0, maximum value 36, higher scores mean a better outcome.
Significant difference in mean value of Emotional Hexagon Test (EHT) total score between HD and controls
To evaluate if persons with HD have a significantly lower score than a control group in the Emotional Hexagon Test (EHT). EHT: Minimum value 0, maximum value 24, higher scores mean a better outcome.
Significant correlation between social cognitive test scores and Montreal Cognitive Assessment (MOCA) scores
To investigate if there is a correlation between social cognitive test scores and Montreal Cognitive Assessment (MOCA scores = cognitive scores). MOCA scale: Minimum value 0, maximum value 30 points, lower scores mean a worse outcome.
Significant correlation between social cognitive test scores and total functional capacity (TFC) scores
To investigate if there is a correlation between social cognitive test scores and total functional capacity (TFC scores =scores for everyday life function in HD). TFC: Minimum value 0, maximum value 13, higher scores mean a better outcome.
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