Eisai and Biogen's Alzheimer’s drug sparks hot debate over benefits as risks like brain bleeding emerge

Two recent deaths during clinical tests had significant comorbidity causes and risk factors, but recent data still indicates that the companies’ Alzheimer’s drug comes with serious adverse effects.
Photo: Brian Snyder/Reuters/Ritzau Scanpix
Photo: Brian Snyder/Reuters/Ritzau Scanpix
By Robert Langreth, bloomberg

Eisai Co. unveiled much-anticipated findings on its experimental Alzheimer’s drug, providing tinder for the hot debate over whether its modest efficacy is worth potential risks that include serious brain bleeding.

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