Evidence map›Paper›PMID 33225065›Full record

ReviewNeurology. Genetics2020

Late-onset vs nonmendelian early-onset Alzheimer disease: A distinction without a difference?

Christiane Reitz, Ekaterina Rogaeva, Gary W Beecham

Abstract readReview
In one paragraph

Review in Neurology. Genetics, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 107 papers, 4 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
107citing papers in PubMed, 4 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

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.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

107 citing papers in PubMed, 4 syntheses or guidelines pooled it.

  1. Pooled it
  2. Pooled it
  3. An updated overview of recent and ongoing deep brain stimulation (DBS) trials in patients with dementia: a systematic review.Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2023
    Pooled it
  4. A Systematic Review of the Effects of Capsaicin on Alzheimer's Disease.International journal of molecular sciences · 2023
    Pooled it
  5. Gamma sensory stimulation in mild Alzheimer's dementia: An open-label extension study.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2025
    Trial
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47 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

3 authors.

Christiane ReitzTaub Institute for Research on Alzheimer's Disease and the Aging Brain (C.R.), Gertrude H. Sergievsky Center (C.R.), Department of Neurology (C.R.), and Department of Epidemiology (C.R.), College of Physicians and Surgeons, Columbia University, New York, NY; Tanz Centre for Research in Neurodegenerative Disease (E.R.), University of Toronto, ON, Canada; and The John P. Hussman Institute for Human Genomics (G.W.B.), University of Miami, FL.
Ekaterina RogaevaTaub Institute for Research on Alzheimer's Disease and the Aging Brain (C.R.), Gertrude H. Sergievsky Center (C.R.), Department of Neurology (C.R.), and Department of Epidemiology (C.R.), College of Physicians and Surgeons, Columbia University, New York, NY; Tanz Centre for Research in Neurodegenerative Disease (E.R.), University of Toronto, ON, Canada; and The John P. Hussman Institute for Human Genomics (G.W.B.), University of Miami, FL.
Gary W BeechamTaub Institute for Research on Alzheimer's Disease and the Aging Brain (C.R.), Gertrude H. Sergievsky Center (C.R.), Department of Neurology (C.R.), and Department of Epidemiology (C.R.), College of Physicians and Surgeons, Columbia University, New York, NY; Tanz Centre for Research in Neurodegenerative Disease (E.R.), University of Toronto, ON, Canada; and The John P. Hussman Institute for Human Genomics (G.W.B.), University of Miami, FL.

Funding

Satellite Diagnostic and Treatment Clinic CoreP50AG008702 · NIA · COLUMBIA UNIV NEW YORK MORNINGSIDE · PI DE JAGER, PHILIP L · 1989 to 2019
$46.3M
Research Education CoreP30AG066462 · NIA · COLUMBIA UNIVERSITY HEALTH SCIENCES · PI Miguel Arce · 2020 to 2026
$30.1M
Dissecting the Genomic Etiology of non-Mendelian Early-Onset Alzheimer Disease and Related PhenotypesR01AG064614 · NIA · UNIVERSITY OF MIAMI SCHOOL OF MEDICINE · PI BEECHAM, GARY WAYNE, CRUCHAGA, CARLOS · 2019 to 2023
$11.5M
Genomic Characterization of Alzheimer's Disease Risk in the Puerto Rican PopulationRF1AG054074 · NIA · UNIVERSITY OF MIAMI SCHOOL OF MEDICINE · PI BEECHAM, GARY WAYNE, PERICAK-VANCE, MARGARET A. · 2016 to 2018
$8.0M
Replication and Extension of ADSP Discoveries in African-AmericansU01AG052410 · NIA · UNIVERSITY OF MIAMI SCHOOL OF MEDICINE · PI BEECHAM, GARY WAYNE, BYRD, GOLDIE S. · 2016 to 2020
$5.2M
Genetic Epidemiology of Early-Onset Alzheimers disease in Caribbean Hispanics and non-Hispanic WhitesRF1AG054080 · NIA · UNIVERSITY OF MIAMI SCHOOL OF MEDICINE · PI BEECHAM, GARY WAYNE, REITZ, CHRISTIANE · 2016 to 2018
$4.0M
NIA NIH HHS P30 AG066462NIA NIH HHS P50 AG008702NIA NIH HHS R01 AG064614NIA NIH HHS RF1 AG054074NIA NIH HHS RF1 AG054080NIA NIH HHS U01 AG052410
6 · The paper itself

Abstract

There is mounting evidence that only a small fraction of early-onset Alzheimer disease cases (onset <65 years) are explained by known mutations. Even multiplex families with early onset often also have late-onset cases, suggesting that the commonly applied categorization of Alzheimer disease into early- and late-onset forms may not reflect distinct underlying etiology. Nevertheless, this categorization continues to govern today's research and the design of clinical trials. The aim of this review is to evaluate this categorization by providing a comprehensive, critical review of reported clinical, neuropathologic, and genomic characteristics of both onset-based subtypes and explore potential overlap between both categories. The article will lay out the need to comprehensively assess the phenotypic, neuropathologic, and molecular variability in Alzheimer disease and identify factors explaining the observed significant variation in onset age in persons with and without known mutations. The article will critically review ongoing large-scale genomic efforts in Alzheimer disease research (e.g., Alzheimer Disease Sequencing Project, Dominantly Inherited Alzheimer Network, Alzheimer Disease Neuroimaging Initiative) and their shortcomings to disentangle the delineation of unexplained nonmendelian early-onset from late-onset and mendelian forms of Alzheimer disease. In addition, it will outline specific approaches including epigenetic research through which a comprehensive characterization of this delineation can be achieved.

Identifiers

PMID33225065
PMCPMC7673282

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.