Roche to start new trial of AC Immune drug against Alzheimer's
February 28, 2017 at 03:15 AM EST
ZURICH, Feb 28 (Reuters) - Roche is starting a second late-stage trial of investigational Alzheimer's drug crenezumab that it is developing with Swiss biotech AC Immune , shrugging off failures of similar drugs against the memory-robbing disease.