Cited by 53Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchCholinesterase and Neurodegenerative Diseases

Symptomatic and Disease-Modifying Therapy Pipeline for Alzheimer’s Disease: Towards a Personalized Polypharmacology Patient-Centered Approach

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Morató, Xavier, Pytel, Vanesa, Jofresa, Sara, Ruiz, Agustín, Boada, Mercè·2022·International Journal of Molecular Sciences

Abstract

Since 1906, when Dr. Alois Alzheimer first described in a patient “a peculiar severe disease process of the cerebral cortex”, people suffering from this pathology have been waiting for a breakthrough therapy. Alzheimer’s disease (AD) is an irreversible, progressive neurodegenerative brain disorder and the most common form of dementia in the elderly with a long presymptomatic phase. Worldwide, approximately 50 million people are living with dementia, with AD comprising 60–70% of cases. Pathologically, AD is characterized by the deposition of amyloid β-peptide (Aβ) in the neuropil (neuritic plaques) and blood vessels (amyloid angiopathy), and by the accumulation of hyperphosphorylated tau in neurons (neurofibrillary tangles) in the brain, with associated loss of synapses and neurons, together with glial activation, and neuroinflammation, resulting in cognitive deficits and eventually dementia. The current competitive landscape in AD consists of symptomatic treatments, of which there are currently six approved medications: three AChEIs (donepezil, rivastigmine, and galantamine), one NMDA-R antagonist (memantine), one combination therapy (memantine/donepezil), and GV-971 (sodium oligomannate, a mixture of oligosaccharides derived from algae) only approved in China. Improvements to the approved therapies, such as easier routes of administration and reduced dosing frequencies, along with the developments of new strategies and combined treatments are expected to occur within the next decade and will positively impact the way the disease is managed. Recently, Aducanumab, the first disease-modifying therapy (DMT) has been approved for AD, and several DMTs are in advanced stages of clinical development or regulatory review. Small molecules, mAbs, or multimodal strategies showing promise in animal studies have not confirmed that promise in the clinic (where small to moderate changes in clinical efficacy have been observed), and therefore, there is a significant unmet need for a better understanding of the AD pathogenesis and the exploration of alternative etiologies and therapeutic effective disease-modifying therapies strategies for AD. Therefore, a critical review of the disease-modifying therapy pipeline for Alzheimer’s disease is needed.

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  • DMTs are intended to delay progression of long-term conditions such as AD and ultimately improve patient's quality of life.

    “DMTs are intended to delay the progression of long-term conditions such as AD and ultimately improve the patient’s quality of life [60].”
  • DMTs are treatments that postpone, moderate, or even reverse the evolution of an illness by addressing its underlying cause.

    “DMTs are treatments that postpone, moderate, or even reverse the evolution of an illness by addressing its underlying cause.”

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  1. [155]Renee M. Elmore P. Najafi A.R. Koike M.A. Nazih N. Spangenberg E.E. Rice R.A. Kitazawa M. Nguyen H. West B.L. CSF1 receptor signaling is necessary for microglia viability, which unmasks a cell that rapidly repopulates the microglia-depleted adult brain Neuron 2015 82 380 397 10.1016/j.neuron.2014.02.040.CSF1 PMC4161285 24742461 · DOI

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Authors
Morató, X., Pytel, V., Jofresa, S., Ruiz, A., & Boada, M.
Affiliations
  • Universitat Internacional de Catalunya (ES)
  • Research Center and Memory Clinic, Fundació ACE, Institut Català de Neurociències Aplicades, Universitat Internacional de Catalunya, 08017 Barcelona, Spain
Corresponding author
Morató, Xavier
Venue
International Journal of Molecular Sciences
Publisher
MDPI AG
Published
2022-08-18
Volume
23
Issue
16
Pages
9305
ISSN
1422-0067 (ISSN-L)
OpenAlex
W4292247066
Cited by
53
References
249
Citations by year
2026: 10 · 2025: 16 · 2024: 15 · 2023: 10 · 2022: 2
FWCI
1.48
Type
journal article
Language
en
Open access
Locations
  • International Journal of Molecular Sciences (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Health Sciences › Medicine › Pharmacology › Cholinesterase and Neurodegenerative Diseases
Keywords
Alzheimer's disease, disease-modifying therapy, symptomatic treatment, drug development pipeline, polypharmacology, personalized medicine, amyloid-beta, tau hyperphosphorylation, cholinesterase inhibitors, memantine, aducanumab, anti-amyloid monoclonal antibodies, neuroinflammation
MeSH terms
Donepezil, Alzheimer Disease, Animals, Humans, Memantine, Amyloid beta-Peptides, Patient-Centered Care, Polypharmacology

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