Friday, July 15, 2011

Alzheimer’s Association Research Roundtable Workgroup Releases Report

Kheng Guan Toh/Shutterstock
The Alzheimer’s Association Research Roundtable Workgroup has published its findings and conclusions in the current issue of Alzheimer’s & Dementia, including recommendations for conducting clinical trials of amyloid-lowering agents. The  group was convened in July 2010 to review publicly available trial data in response to advice from the Food and Drug Administration (FDA) to sponsors conducting clinical trials with amyloid-lowering agents for  treating Alzheimer’s. The FDA raised concerns about potential adverse events, specifically cerebral microhemorrhage and vasogenic edema, and recommended discontinuation in patients with any microhemorrhages during the study, advice that appeared stringent and limiting to many researchers.

Prior to publication, the workgroup report was sent to the FDA for review, and the FDA subsequently revised and updated its original advice to sponsors in a manner consistent with the report.

Amyloid-lowering agents are one approach to amyloid in the brain currently being investigated. To read about another approach, see Psychiatric News at


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