Wyeth, Elan Push Forward With Alzheimer’s Drug

Wyeth and Elan are pushing ahead with research on an Alzheimer’s drug designed to clear toxic plaques from the brain, despite mixed results in mid-stage testing. An Alzheimer’s plaque The companies had already revealed data showing the drug, called bapineuzumab, helped people who were free of a form of a gene that’s a risk factor for Alzheimer’s. [...]