Today Biogen Idec (NASDAQ:BIIB) announced data from a pre-specified interim analysis of PRIME, the Phase 1b study of aducanumab (BIIB037), in which aducanumab demonstrated an acceptable safety profile and positive results on radiologic and clinical measurements in patients with prodromal or mild Alzheimer’s disease (AD). These data are being presented today at the 12th International Conference on Alzheimer's and Parkinson's Diseases and Related Neurological Disorders in Nice, France.

The US Food and Drug Administration today approved Vizamyl ( flutemetamol F 18 injection), a radioactive diagnostic drug for use with positron emission tomography (PET) imaging of the brain in adults being evaluated for Alzheimer's disease (AD) and dementia.

Pfizer Inc. announced that the co-primary clinical endpoints, change in cognitive and functional performance compared to a placebo, were not met in the Janssen Alzheimer Immunotherapy R&D LLC (Janssen AI)-led Phase 3 trial of intravenous (IV) bapineuzumab in patients with mild-to-moderate Alzheimer’s disease who do not carry the ApoE4 (apolipoprotein E epsilon 4) genotype (Study 301). Pfizer and Janssen AI are partners in the Alzheimer’s Immunotherapy Program (AIP).

Pfizer Inc. announced that the co-primary clinical endpoints, change in cognitive and functional performance compared to placebo, were not met in the Janssen Alzheimer Immunotherapy R&D LLC (Janssen AI)-led Phase 3 trial of intravenous (IV) bapineuzumab in patients with mild-to-moderate Alzheimer’s disease who carry the ApoE4 ( apolipoprotein E epsilon 4) genotype (Study 302).

Medivation , Inc. and Pfizer Inc. announced results from the CONCERT trial, which is a Phase 3 trial that evaluated Dimebon ( latrepirdine ) when added to ongoing treatment with donepezil HCL tablets in patients with mild-to-moderate Alzheimer’s disease.

Scientists today agree that there are five molecules that are known to affect or cause Alzheimer's disease, which plagues an estimated five million Americans.