In developing aducanumab, one of the more promising therapies for Alzheimer's disease (AD), Neurimmune Therapeutics AG took a creative approach – one that caught the eye of Biogen Inc. "Aducanumab actually comes from a human individual, someone who was in his or her late 90s or early 100s," Ajay Verma, previously with Cambridge, Mass.-based Biogen, told BioWorld.