 ...to sign a letter calling on Biden to leave the race. The FDA has approved a new Alzheimer's treatment from Eli Lilly. Details from CBS News Chief Medical Correspondent, Dr. John LaPook. Denonimab is the second drug available for Alzheimer's patients with early symptoms. It will be sold under the brand name Kesunla. And it slowed cognitive decline overall by about 22% over 18 months.