New to this board and forum. Annie from Canada. Have a male nineteen year old diabetic sterilized moggy, named Charlie who is black and white and fading in front of my eyes. Have been treating him with lantus for eight years. After a recent Vet visit, they upped his lantus dosage, after a curve. From 4 cc per day to 5 cc. Do any of you have any experience with a cat of this age? His reaction to the higher dosage, was to become more lively, at first, for several weeks. Jumping, even a little running, but more seeking of my lap twenty to thirty times per day. His last blood test (1 week ago) indicated that his kidneys are working at twenty percent. In the last few days, he's stopped eating at regular times. Now he is absolutely starving about midnight, but won't eat more than a few mouthfuls throughout the day. Any thoughts? He's lost a lot of weight in the last year, beginning to think there is something else involved.