Graig: Where's the nearest cash machine? stendra prescribing information "Since Lilly saw a signal of benefit in the mild patients in the completed trials, it makes a lot of sense for them to simply zoom in on that group in this new trial," said Steven Ferris, director of the Alzheimer's Disease Center at NYU Langone Medical Center in New York. "It's a roll of the dice again, but they'll get a definitive answer."