A Phase 3 Extension, Multicenter, Long Term Safety And Tolerability Trial Of Bapineuzumab (Aab 001, Eln115727) In Subjects With Alzheimer Disease Who Are Apolipoprotein E 4 Carriers And Participated In Study 3133k1-3001-us Or Study 3133k1-3001-ww.

The purpose of this study is to assess the long-term safety and tolerability of bapineuzumab in subjects with Alzheimer Disease who participated in study 3133K1-3001(NCT00676143). Over 250 sites will participate in over 26 countries. Subjects will receive bapineuzumab. Each subject's participation will last approximately 4 years.