期刊
IMMUNOTHERAPY
卷 2, 期 6, 页码 767-782出版社
FUTURE MEDICINE LTD
DOI: 10.2217/imt.10.80
关键词
beta-amyloid; active immunotherapy; Alzheimer's disease; bapineuzumab; passive immunotherapy
类别
资金
- Minister della Salute
- IRCCS Research Program
- Malattie di rilevanza sociale
In the last decade, new therapeutic approaches targeting beta-amyloid (A beta) have been discovered and developed with the hope of modifying the natural history of Alzheimer's disease (AD). The most revolutionary of these approaches consists in the removal of brain A beta via anti-A beta antibodies. After an active vaccine (AN1792) was discontinued in 2002 due to occurrence of meningoencephalitis in approximately 6% of patients, several other second-generation active A beta vaccines and passive A beta immunotherapies have been developed and are under clinical investigation with the aim of accelerating A beta clearance from the brain of AD patients. The most advanced of these immunological approaches is bapineuzumab, which is composed of humanized anti-A beta monoclonal antibodies that has been tested in two Phase II trials. Bapineuzumab has been shown to reduce A beta burden in the brain of AD patients. However, its preliminary cognitive efficacy appears uncertain, particularly in ApoE epsilon 4 carriers, and vasogenic edema may limit its clinical use. The results of four ongoing large Phase III trials on bapineuzumab will provide answers regarding whether passive anti-A beta immunization is able to alter the course of this devastating disease.
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