Cited by 54Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchNeuroinflammation and Neurodegeneration Mechanisms

How plausible is an Alzheimer’s disease vaccine?

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Cacabelos, Ramón·2020·Expert Opinion on Drug Discovery

Abstract

Introduction: Alzheimer’s disease (AD) vaccination is one of the last therapeutic options after two decades of stagnation in terms of drug development. About 140 (85%) immunization procedures against Aβ deposition and 25 (15%) against Tau have been reported, but no Food and Drug Administration approval of any AD vaccine has been achieved. This might be attributed to deficient pathogenic targets, inappropriate models, defective immunotherapeutic procedures, and inadequate clinical trial design.Areas covered: The issues covered include the following: AD pathogenic mechanisms, rationale for active and passive immunization, vaccine targets, anti-Aβ/Tau vaccines, vaccine technologies, animal models, and clinical trials.Expert opinion: A vaccine against AD is technically feasible; however, important methodological aspects should be changed for a tentative clinical success, including (i) the development of multitarget AD immunotherapies; (ii) the optimization of antibody titers and epitopes; (iii) the pharmacogenetic/pharmacoepigenetic validation of the immunization procedure; (iv) the prophylactic treatment of genetically stratified patients at a pre-symptomatic stage; and (v) the definition of primary endpoints in prevention, based on objective/multifactorial biomarkers. Even with exquisite protocols, a successful vaccine would be potentially useful in at most 20–30% of defined cases, according to the genetic, epigenetic, and pharmacogenetic background of AD patients.

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Research works printed but not linked: 2

  1. Cacabelos R, Carril JC, Sanmartín A, et al. Pharmacoepigenetic pro- cessors: epigenetic drugs, drug resistance, toxicoepigenetics and nutriepigenenetics. In: Cacabelos R, editor. Pharmacoepigenetics. Amsterdam: Elsevier/Academic Press; 2019. p. 191-424.
  2. •• Extensive/updated review on the pharmacoepigenetic appara- tus and its impact on drug efficacy and safety, classification, and description of epigenetic drugs.

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Authors
Cacabelos, R.
Affiliations
EuroEspes Biomedical Research Center (ES)
Corresponding author
Cacabelos, Ramón
Venue
Expert Opinion on Drug Discovery
Published
2019-09-17
Volume
15
Issue
1
Pages
1-6
ISSN
  • 1746-0441 (ISSN-L)
  • 1746-045X
OpenAlex
W2974498227
Cited by
54
References
20
Citations by year
2026: 4 · 2025: 11 · 2024: 7 · 2023: 7 · 2022: 10 · 2021: 12 · 2020: 3
Type
journal article
Language
en
Open access
Locations
  • Expert Opinion on Drug Discovery (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 vaccine, immunotherapy, amyloid-beta, tau protein, active immunization, passive immunization, vaccine targets, animal models, clinical trial design, pharmacogenetics, pharmacoeconomics, presymptomatic treatment, biomarkers
MeSH terms
Alzheimer Disease, Humans, Immunotherapy, tau Proteins, Alzheimer Vaccines

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