About this trial
The main objective is to investigate whether administration of probiotics to patients with mild Alzheimer's Disease (AD) reduces neuroinflammation, improves cognitive function and modifies neurophysiological measures, compared to a patient group that receives placebo (no active probiotics).
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Adults ≥65 years, able to give consent
Mini-Mental State Examination (MMSE) scores 19-23 (mild AD)
approximately equal male:female ratio
Disqualifiers
Inability to give consent
other neurological disease
relevant psychiatric disorders (e.g. major depression)
gastrointestinal/metabolic conditions
Trial design
Parallel
Treatments tested in this trial
Probiotic Blend Capsule
Drug20 million CFU (Lactobacillus paracasei, Lactobacillus plantarum, Lactobacillus rhamnosus, Lactobacillus helveticus, Bifidobacterium breve)
Treatment groups
Trial outcomes
Primary outcomes
Level of inflammatory markers
Peripheral inflammation markers implicated in the pathogenesis of mild-AD (pro-inflammatory cytokines: IL-6, IL-1β, CXCL2, NLRP3; anti-inflammatory cytokines: IL-10. Isolated from blood plasma.
Secondary outcomes
Cognitive function and neuropsychological scores
Mini-Mental State Examination (MMSE)
Cognitive function and neuropsychological scores
Montreal Cognitive Assessment (MoCA)
Cognitive function and neuropsychological scores
Rey-Osterrieth complex figure test
Cognitive function and neuropsychological scores
Wechsler Abbreviated Scale of Intelligence (WASI)
Other outcomes
Dietary habits
Food Frequency Questionnaire (confounding)
Sponsors and contacts
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University of Nicosia
Lead sponsor
Cyprus Institute of Neurology and Genetics
Collaborator