Study in Subjects With Mild-to-Moderate Alzheimer's Dementia

The cellular immunotherapy product consists of autologous dendritic cells (DCs) pulsed with a novel amyloid-beta peptide (Aβ1 42) containing a mutation at position 22 from glutamic acid to tryptophan (E22W). This mutation produces novel CD4+ T cell epitopes specific for the mutant E22W peptide that can facilitate an anti-Aβ1-42 antibody response. The activated E22W peptide specific CD4+ T cells license Aβ1-42-specific B cells to secrete anti Aβ1-42 antibodies, resulting in systemic reduction of amyloid and reduction or slowed accumulation of amyloid plaques in the brain.

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