Roche is dropping a Phase III trial of the anti-amyloid gantenerumab in prodromal Alzheimer's disease patients. The decision calls into question not only the future of this drug, but also that of other disease modifying anti-amyloids, including Roche's crenezumab.
Lilly and Biogen Idec will be paying close attention to the news as they too have anti-amyloids in the pipelines.


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