SynthesisAging and disease2024
Neuropsychological Profiles in Genetic Frontotemporal Dementia: A Meta-Analysis and Systematic Review.
Synthesis in Aging and disease, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
2 citing papers in PubMed.
- Cross-country variance in facial emotion recognition in presymptomatic and symptomatic behavioral variant frontotemporal dementia: Insights from the GENFI and ReDLat consortia.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2025Observational
- Review
Corrections and comments
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Characterization of cognitive profiles across genetic FTD gene mutations is crucial for the identification of sensitive endpoints for clinical trials targeting specific pathologies. However, no systematic overview of the literature describing cognitive profiles in different FTD gene mutations has been made thus far. We performed a meta-analysis and systematic review to characterize cognitive profiles across the different FTD gene mutations and clinical disease stages of familial frontotemporal dementia (FTD). We included 27 studies comparing presymptomatic (n=1027), and/or symptomatic (n=574) mutation carriers (GRN, MAPT, C9orf72) with controls (n=1296). We extracted cognitive data and grouped them into six cognitive domains (language, attention and mental processing speed, executive function (EF), memory, social cognition, and visuospatial abilities). These domains were further subdivided into specific cognitive sub-processes. We calculated Hedges' g and performed multilevel meta-analyses per cognitive domain and FTD gene mutation comparing presymptomatic and symptomatic mutation carriers to controls. Moderator analyses were performed to the effect of age, education, sex, and cognitive subprocess. Eleven studies into rarer FTD mutations were included in the systematic review. Presymptomatic GRN mutation carriers showed deficits in EF, and presymptomatic C9orf72 mutation carriers in language, EF, and attention. Presymptomatic MAPT mutation carriers did not differ from controls on any of the cognitive domains. All symptomatic mutation carriers had deficits in language, EF, attention, and memory. Both in the presymptomatic and symptomatic stage cognitive sub-processes for language, attention and mental processing speed, EF, and memory were differentially affected in GRN, MAPT, and C9orf72. Cognitive decline was present in the presymptomatic stage of GRN and C9orf72 mutation carriers, but not MAPT mutation carriers. Unique cognitive sub-processes were affected in GRN, MAPT, and C9orf72. This study increased our knowledge of the cognitive deficits in familial FTD, which can aid in differential diagnosis and selection of endpoints for clinical trials.
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