ArticleNeurology2019
Relative risk for Alzheimer disease based on complete family history.
Article in Neurology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05597410 (Shanghai At Risk for Alzheimer's Disease), which is not on this map. Cited by 57 papers, 4 of them syntheses that pooled it.
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.
Shanghai At Risk for Alzheimer's Disease: a Cohort Study
Who cites it
57 citing papers in PubMed, 4 syntheses or guidelines pooled it.
- The association between the MIND diet and cognitive health in middle-aged and older adults: A systematic review.The journal of nutrition, health & aging · 2025Pooled it
- Cognitive Functioning of Unaffected First-degree Relatives of Individuals With Late-onset Alzheimer's Disease: A Systematic Literature Review and Meta-analysis.Neuropsychology review · 2023Pooled it
- Deregulated mitochondrial microRNAs in Alzheimer's disease: Focus on synapse and mitochondria.Ageing research reviews · 2022Pooled it
- Tooth Loss-Associated Mechanisms That Negatively Affect Cognitive Function: A Systematic Review of Animal Experiments Based on Occlusal Support Loss and Cognitive Impairment.Frontiers in neuroscience · 2022Pooled it
- Plasma Glial Fibrillary Acidic Protein and Neurofilament Light Chain Concentrations Are Inversely Associated with Retinal Microvascular Perfusion and Vessel Density in Cognitively Normal Individuals with Familial or Genetic Risk Factors for Alzheimer's Disease.Diagnostics (Basel, Switzerland) · 2026Article
- Parent-of-origin effects in Alzheimer's liability dissociate neurocognitive and cardiovascular traits in at-risk individuals.Cell reports. Medicine · 2026Article
- Data Driven Stochastic Model for Detecting Patients with Alzheimer's Disease.medRxiv : the preprint server for health sciences · 2026Article
- Multi-domain AD risk burden and plasma biomarkers in cognitively unimpaired adults.medRxiv : the preprint server for health sciences · 2026Article
- Body mass index decline and cognitive trajectories in mild cognitive impairment: the role of maternal history of Alzheimer's disease.Research square · 2026Article
- Education, Cognitive Reserve, and Brain Pathology in Aging and Alzheimer's Disease: Evidence from Preclinical and Symptomatic Cohorts.medRxiv : the preprint server for health sciences · 2026Article
- Associations between parental history of dementia and plasma markers of inflammation in a multi-ethnic middle-aged community of adults.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2026Article
- Comparison of Methods for Sensitivity Analysis of Heterogeneous Treatment Effects in Observational Studies and Application to Alzheimer's Disease and Cognitive Decline.Statistics in medicine · 2026Article
- Relationships between heritable dementia risk factors, cardiovascular risk factors in young adulthood, and midlife neuropsychological outcomes.Journal of Alzheimer's disease : JAD · 2026Article
- Now is the time: the need to update guidance to expand access toFrontiers in dementia · 2026Article
- Toward personalized medicine in AD/ADRD through genetic-exposome dementia risk assessments.NPJ dementia · 2026Review
- Investigation of the degree of family history of diabetes in different clusters of newly diagnosed type 2 diabetes in Thailand.Annals of medicine · 2025Article
- Personalized prevention of neurodegenerative diseases: scoping review and evidence gap map.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2025Article
- Exploring sex-specific risk factors in cognitive decline: Insights into modifiable and non-modifiable determinants using a network analysis.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2025Article
- The role of genomic-informed risk assessments in predicting dementia outcomes.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2025Article
- The Role of Genomic-Informed Risk Assessments in Predicting Dementia Outcomes.medRxiv : the preprint server for health sciences · 2025Article
Corrections and comments
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Authors and funding
9 authors.
Funding
Abstract
objectiveThe inherited component for Alzheimer disease (AD) risk has focused on close relatives; consideration of the full family history may improve accuracy and utility of risk estimates.
methodsA population resource including a genealogy of Utah pioneers from the 1800s linked to Utah death certificates was used to estimate relative risk for AD based on specific family history constellations, including from first- to third-degree relatives.
resultsAny affected first-degree relatives (FDR) significantly increased risk of AD (≥1 FDRs: relative risk [RR] 1.73, 95% confidence interval [CI] [1.59-1.87]; ≥2 FDRs: RR 3.98 [3.26-4.82]; ≥3 FDRs: RR 2.48 [1.07-4.89]; ≥4 FDRs: RR 14.77 [5.42-32.15]). Affected second-degree relatives (SDR) increased risk even in the presence of affected FDRs (FDR = 1 with SDR = 2: RR 21.29 [5.80-54.52]). AD only in third-degree relatives (TDR) also increased risk (FDR = 0, SDR = 0, TDR ≥3: RR 1.43 [1.21-1.68]). Mixed evidence was observed for differences in risk based on maternal compared to paternal inheritance; higher risks for men than women with equivalent family history, and higher risk for individuals with at least one affected FDR regardless of the relative's age at death, were observed.
conclusionsThis population-based estimation of RRs for AD based on family history ascertained from extended genealogy data indicates that inherited genetic factors have a broad influence, extending beyond immediate relatives. Providers should consider the full constellation of family history when counseling patients and families about their risk of AD.
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