Cited by 965Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchNeuroinflammation and Neurodegeneration Mechanisms

A critical appraisal of amyloid-β-targeting therapies for Alzheimer disease

Panza, Francesco, Lozupone, Madia, Logroscino, Giancarlo, Imbimbo, Bruno P.·2019·Nature Reviews Neurology

Abstract

Brain accumulation of the amyloid-β (Aβ) peptide is believed to be the initial event in the Alzheimer disease (AD) process. Aβ accumulation begins 15-20 years before clinical symptoms occur, mainly owing to defective brain clearance of the peptide. Over the past 20 years, we have seen intensive efforts to decrease the levels of Aβ monomers, oligomers, aggregates and plaques using compounds that decrease production, antagonize aggregation or increase brain clearance of Aβ. Unfortunately, these approaches have failed to show clinical benefit in large clinical trials involving patients with mild to moderate AD. Clinical trials in patients at earlier stages of the disease are ongoing, but the initial results have not been clinically impressive. Efforts are now being directed against Aβ oligomers, the most neurotoxic molecular species, and monoclonal antibodies directed against these oligomers are producing encouraging results. However, Aβ oligomers are in equilibrium with both monomeric and aggregated species; thus, previous drugs that efficiently removed monomeric Aβ or Aβ plaques should have produced clinical benefits. In patients with sporadic AD, Aβ accumulation could be a reactive compensatory response to neuronal damage of unknown cause, and alternative strategies, including interference with modifiable risk factors, might be needed to defeat this devastating disease.

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Crossref · 10.1038/s41582-018-0116-6

Cites

221 of 221 references verified0 citation errors · 0 not checkable

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  • Aβ buildup can start 15-20 years before clinical symptoms appear, indicating therapy effectiveness may depend on early intervention.

    “Studies have shown that Aβ buildup can start 15–20 years before clinical symptoms appear, indicating that therapy effectiveness may depend on early intervention [88,89].”

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Authors
Panza, F., Lozupone, M., Logroscino, G., & Imbimbo, B. P.
Affiliations
  • Casa Sollievo della Sofferenza (IT)
  • University of Bari Aldo Moro (IT)
  • Chiesi (Italy) (IT)
Corresponding author
Panza, Francesco
Venue
Nature Reviews Neurology
Published
2019-01-04
Volume
15
Issue
2
Pages
73-88
ISSN
  • 1759-4758 (ISSN-L)
  • 1759-4766
OpenAlex
W2907547898
Cited by
965
References
221
Citations by year
2026: 58 · 2025: 103 · 2024: 117 · 2023: 151 · 2022: 141 · 2021: 154 · 2020: 176 · 2019: 64 · 2018: 1
FWCI
15.87
Type
journal article
Language
en
Open access
closed
Locations
  • Nature Reviews Neurology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
Alzheimer's disease, amyloid-beta, amyloid-beta oligomers, amyloid-beta clearance, amyloid plaques, monoclonal antibodies, disease-modifying therapy, clinical trial failure, sporadic Alzheimer's disease, risk factor control
MeSH terms
Alzheimer Disease, Animals, Humans, Amyloid beta-Peptides, Aspartic Acid Endopeptidases, Drug Delivery Systems, Amyloid Precursor Protein Secretases, Antibodies, Monoclonal, Humanized

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