Cited by 247Alzheimer's disease research and treatmentsNeuroscience and Neuropharmacology ResearchDementia and Cognitive Impairment Research

Memantine for the Treatment of Dementia: A Review on its Current and Future Applications

Open access
Folch, Jaume, Busquets, Oriol, Ettcheto, Miren, Sánchez-López, Elena, Castro-Torres, Ruben Dario, Verdaguer, Ester, Garcia, Maria Luisa, Olloquequi, Jordi +6 more·2018·Journal of Alzheimer s Disease

Abstract

Alzheimer's disease (AD) is a neurodegenerative disorder characterized by the presence in the brain of extracellular amyloid-β protein (Aβ) and intracellular neurofibrillary tangles composed of hyperphosphorylated tau protein. The N-Methyl-D-aspartate receptors (NMDAR), ionotropic glutamate receptor, are essential for processes like learning and memory. An excessive activation of NMDARs has been associated with neuronal loss. The discovery of extrasynaptic NMDARs provided a rational and physiological explanation between physiological and excitotoxic actions of glutamate. Memantine (MEM), an antagonist of extrasynaptic NMDAR, is currently used for the treatment of AD jointly with acetylcholinesterase inhibitors. It has been demonstrated that MEM preferentially prevents the excessive continuous extrasynaptic NMDAR disease activation and therefore prevents neuronal cell death induced by excitotoxicity without disrupting physiological synaptic activity. The problem is that MEM has shown no clear positive effects in clinical applications while, in preclinical stages, had very promising results. The data in preclinical studies suggests that MEM has a positive impact on improving AD brain neuropathology, as well as in preventing Aβ production, aggregation, or downstream neurotoxic consequences, in part through the blockade of extrasynaptic NMDAR. Thus, the focus of this review is primarily to discuss the efficacy of MEM in preclinical models of AD, consider possible combinations of this drug with others, and then evaluate possible reasons for its lack of efficacy in clinical trials. Finally, applications in other pathologies are also considered.

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Authors
Folch, J., Busquets, O., Ettcheto, M., Sánchez-López, E., Castro-Torres, R. D., Verdaguer, E., Garcia, M. L., Olloquequi, J., Casadesús, G., Beas-Zarate, C., Pelegri, C., Vilaplana, J., Auladell, C., & Camins, A.
Affiliations
  • Biomedical Research Networking Center on Neurodegenerative Diseases (ES)
  • Biomedical Research Networking Centre in Neurodegenerative Diseases (CIBERNED), Madrid, Spain
  • Unitat de Farmàcia, Tecnologia Farmacèutica i Fisico-química, Facultat de Farmàcia i Ciències de l’Alimentació, Universitat de Barcelona, Barcelona, Spain
  • Universidad Autónoma de Chile (CL)
  • Kent State University (US)
  • Departamento de Biología Celular y Molecular, Laboratorio de Regeneración y Desarrollo Neural, Instituto de Neurobiología, CUCBA, México
Corresponding author
Camins, Antoni
Venue
Journal of Alzheimer s Disease
Published
2017-12-15
Volume
62
Issue
3
Pages
1223-1240
ISSN
  • 1387-2877 (ISSN-L)
  • 1875-8908
OpenAlex
W2775709378
Cited by
245
References
135
Citations by year
2026: 23 · 2025: 27 · 2024: 24 · 2023: 31 · 2022: 39 · 2021: 39 · 2020: 36 · 2019: 15 · 2018: 11
FWCI
2.08
Type
journal article
Language
en
Open access
Locations
  • Journal of Alzheimer s Disease (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
  • RECERCAT (Consorci de Serveis Universitaris de Catalunya) (publishedVersion)
  • Rovira & Virgili repository (submittedVersion, cc-by)
  • Dipòsit Digital de la Universitat de Barcelona (Universitat de Barcelona) (submittedVersion, public-domain)
Funders
  • Generalitat de Catalunya (2014SGR‐525, 2014SGR-1023, 2014SGR)
  • Consejo Nacional de Ciencia y Tecnología (298337, 0177594, 000091)
  • Ministerio de Ciencia e Innovación (MAT 2014-59134R, PI2016/01, 2014-59134-R, CB06/05/0024, 2014SGR-1023)
  • Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (PI2016/01, CB06/05/0024)
  • National Institute on Aging (R15AG050292)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
Keywords
memantine, Alzheimer's disease
MeSH terms
Alzheimer Disease, Animals, Humans, Memantine, Neuroprotective Agents

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