ArticleEuropean journal of neurology2026
Biomarker-Based Diagnosis and Care Pathways for Alzheimer's Disease in the Era of Disease-Modifying Treatments: A Consensus Statement by Belgian Experts.
Article in European journal of neurology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundThe recent approval of disease-modifying therapies (DMTs) for early Alzheimer's disease (AD) marks a major shift in clinical practice. Biomarker confirmation of amyloid pathology is now required alongside clinical assessment, and blood-based tests are improving accessibility. This creates increased demand for timely and accurate diagnosis while avoiding overdiagnosis in low-probability cases. This Belgian consensus aims to guide biomarker-based diagnosis of AD in the era of DMTs and to highlight the system adaptations required for safe and equitable implementation. Belgium, with universal healthcare but regionally organised dementia care, provides a relevant case to illustrate both opportunities and challenges.
methodsThis consensus was developed by 31 experts in cognitive neurology, geriatrics, neuropsychology, neuroimaging, neurochemistry, and primary care, coordinated by the Belgian Dementia Council (BeDeCo). Recommendations were based on multidisciplinary discussion, current evidence, and the organisation of dementia care in Belgium.
resultsThe consensus outlines a stepwise diagnostic approach that integrates clinical assessment with biomarker confirmation using cerebrospinal fluid, amyloid-PET, and emerging blood-based tests. We review the strengths and limitations of each modality and provide guidance for use across clinical scenarios. Using Belgium as a case example, we illustrate challenges that are shared across European healthcare systems, such as limited reimbursement, unequal access to expertise, and insufficient diagnostic capacity, and formulate pragmatic recommendations to address these issues.
conclusionsThis consensus offers practical guidance for embedding biomarker-based diagnostic strategies into clinical care. By outlining structured pathways and system-level priorities, it facilitates safe, feasible, and equitable implementation of DMTs for AD.
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