Photos: A desperate search for an Alzheimer’s treatment

“I’m a fix-it guy,” says Ken Chiate, whose wife was diagnosed with Alzheimer’s. “I fix people’s problems. This was just a problem that needed fixing.”  (Jay L. Clendenin / Los Angeles Times)

Ken Chiate holds a photo of his son Gregory, wife Jeannette and daughter Carlee, taken about 2008.  (Jay L. Clendenin / Los Angeles Times)

Ken Chiate chips some golf balls on his Malibu property while his dog, Kelly, tries to join in.  (Jay L. Clendenin / Los Angeles Times)

“Everybody was telling me it didn’t work,” Ken Chiate says of the use of Enbrel to treat Alzheimer’s. “I thought, ‘I’m going to prove them wrong.” Here, Chiate holds a 2009 photo of him and his wife, Jeannette.  (Jay L. Clendenin / Los Angeles Times)

Ken Chiate stands at the edge of his infinity pool with his dog Kelly.  (Jay L. Clendenin / Los Angeles Times)