Evidence map›Paper›PMID 41830117›Full record

ReviewAlzheimer's & dementia : the journal of the Alzheimer's Association2026

Wake-promoting neuromodulators in Alzheimer's disease: Implications for sleep and brain clearance.

Taylor J Pedersen, Sabrina G Clemens, Joseph R Winer, Ashish Sharma, Neus Falgàs, Brendan P Lucey, Brian A Gordon, Erik S Musiek

Abstract readReview
In one paragraph

Review in Alzheimer's & dementia : the journal of the Alzheimer's Association, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
–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

2 citing papers in PubMed.

  1. Article
  2. Article
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

8 authors.

Taylor J PedersenDepartment of Psychological & Brain Sciences, Washington University in St. Louis, St. Louis, Missouri, USA.
Sabrina G ClemensNeurosciences Program, Division of Biology and Biomedical Sciences, Washington University in St. Louis, St. Louis, Missouri, USA.
Joseph R WinerDepartment of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, California, USA.
Ashish SharmaDepartment of Neurology and Center on Biological Rhythms and Sleep, Washington University School of Medicine, St. Louis, Missouri, USA.
Neus FalgàsAlzheimer's Disease and Other Cognitive Disorders Unit, Neurology Service, Hospital Clínic de Barcelona, Fundació de Recerca Clínic Barcelona-IDIBAPS, Universitat de Barcelona, Barcelona, Spain.
Brendan P LuceyDepartment of Neurology and Center on Biological Rhythms and Sleep, Washington University School of Medicine, St. Louis, Missouri, USA.
Brian A GordonMallinckrodt Institute of Radiology, Washington University School of Medicine, St. Louis, Missouri, USA.
Erik S MusiekDepartment of Neurology and Center on Biological Rhythms and Sleep, Washington University School of Medicine, St. Louis, Missouri, USA.

Funding

Neuroscience Training Program at Washington UniversityT32NS121881 · NINDS · WASHINGTON UNIVERSITY · PI Martha W Bagnall, Daniel Kerschensteiner · 2021 to 2026
$3.1M
Multidisciplinary Training in Alzheimer and Related DementiasT32AG058518 · NIA · WASHINGTON UNIVERSITY · PI Eric Martin McDade, Barbara Joy Snider · 2018 to 2026
$2.3M
NIA NIH HHS T32 AG058518NIH HHS 5T32AG058518NINDS NIH HHS T32 NS121881
6 · The paper itself

Abstract

Neuromodulatory subcortical systems (NSS) regulate arousal, cognition, and sleep-wake transitions through widespread influence on cortical and subcortical networks. Increasing evidence links dysfunction of these systems to the pathogenesis of Alzheimer's disease (AD). Degeneration and dysregulation of NSS occurs during the preclinical phase of AD, preceding the onset of cognitive decline. Alterations of NSS are implicated in sleep disruption and impair sleep-dependent cerebrospinal fluid (CSF) clearance via the glymphatic system, a process involved in removing amyloid beta and other neurotoxic proteins. This review synthesizes current evidence linking wake-promoting neuromodulators-norepinephrine, histamine, and orexin-to AD pathology, with an emphasis on their convergent effects on sleep regulation and brain fluid dynamics. We propose that NSS dysfunction may drive a self-reinforcing cycle of disrupted sleep, impaired glymphatic clearance, and neurodegeneration, underscoring the need to better understand this relationship to inform pharmacological interventions slowing or preventing AD.

Indexed as

Alzheimer DiseaseBrainNeurotransmitter AgentsSleepWakefulnessAnimalsGlymphatic SystemHistamineHumansOrexinsHistamineNeurotransmitter AgentsOrexinsAlzheimer's diseasecerebrospinal fluidglymphatic clearancehistamineneuromodulatory subcortical systemsnorepinephrineorexinsleepwakewake‐promoting

Identifiers

PMID41830117
PMCPMC13093618

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.