Really nice to see a green, yippee!!!
I am just so stumped by those high AMPSs. My only thought remains to shoot earlier in the AM, and try him on something like an 11/13 (13/11?) schedule rather than 12/12. 11 hours overnight (or 10, 10.5, whatever the #s dictate) and then 13 or whatever in the daytime cycle. You would probably need to do some data gathering to figure out what timing makes sense with the #s, and then it might take some experimenting to figure out what doses work (for instance it might turn out a different AM dose vs. PM dose gives him better #s given the varied timing).
It would be a bit of a challenge and a little extra work to get it figured out, but except for those AMPSs his #s are pretty good, so I think if you could head off those reds it might do him a lot of good. Looks like on a green nadir in the day he won't be shootable by +12 anyhow, soooooooo....
As far as other insulins, I don't have any insight into whether, given he has this funky high AM thing going on, another insulin might help that. Or if you'd see the same pattern regardless?
I worry a bit about trying to keep him at a steady dose given the PS contrasts. When their PSs are more even it makes more sense to me. I think it's ok for you to try sticking to one dose, but just be alert to changing it if it isn't working.
2u does make me nervous though on the lower PSs. That's quite a drop today... but since we don't have any solid explanation for the high AMPSs I think it's hard to know how that affects the dosing. If it were me I would probably still try a lowered dose a night, and try to get some middle-of-the-night :shock: nadirs here & there to try to gauge whether or not I've got the night dose right. I mean if you get red-green-blue-green-red-green, etc. it's not the end of the world, might just be his pattern. As long as the AM drop doesn't cause rebound or leave him seeming like he doesn't feel well, might just be how things are.
Dawn phenomenon is something I've seen mentioned more about people w/diabetes than cats. I've seen it mentioned a few times on the board, but not a huge amount. Although I haven't followed a huge # of cats, I don't recall seeing any with this dramatic a pattern like this. Might actually be worth a thread on Health to get thoughts. TT threads aren't supposed to be about specific cats, right? But you could still post on TT and ask about the dawn phenom if you wanted to. TT is only for the brave though :mrgreen: but there are some peeps around with an awesome amount of knowledge & insight.