Immunotherapy for Alzheimer's disease

Richard C. Dodel, Harald Hampel, Yansheng Du

Research output: Contribution to journalReview article

86 Scopus citations

Abstract

Recent studies in murine models of Alzheimer's disease (AD) have found that active immunisation with amyloid-β peptide (Aβ) or passive immunisation with Aβ antibodies can lessen the severity of Aβ-induced neuritic plaque pathology through the activation of microglia. These antibodies can be detected in the serum and CSF. Whether they slow down or speed up the development and progression of AD has not been determined. Furthermore, the conditions that induce formation of such antibodies are unknown, or how specific they are to AD. However, the evidence suggests at least a potential beneficial role for some features of neuroinflammation in AD. A clinical phase II study of an active immunisation approach with AN1792 was started in 2001, but was recently suspended after some patients developed serious adverse events. These were most likely caused by the activation of the proinflammatory cascade. Immunotherapy approaches represent fascinating ways to test the amyloid hypothesis and may offer genuine opportunities to modify disease progression. This review focuses on immunisation strategies and details of the pathways involved in antibody clearance of Aβ.

Original languageEnglish (US)
Pages (from-to)215-220
Number of pages6
JournalLancet Neurology
Volume2
Issue number4
DOIs
StatePublished - Apr 1 2003

ASJC Scopus subject areas

  • Clinical Neurology

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