Hi
@Dragon queen, I chose to switch to Tresiba, at that time solely to get to a single daily basal dose. For me it turned out to be a brilliant decision.
The daily timing is extremely forgiving; if I'm on an early start I might take it at 6am and if a lie-in day it could be midday. Because the profile for Tresiba is that it takes c. 2hrs to get going then releases very steadily for the next 36-48 hrs, any unevenness in taking your daily dose is evened out. Indeed today's dose is topping up yesterday.
I found my former Levermir 2x daily total doses have been more than halved by my Tresiba. I put that down to the even release; previously I simply had not got a decent working relationship with my Levermir. It might help you
@Dragon queen to note I am wholly insulin dependent, having no panc'y at all AND I seem to have little insulin resistance; so all my injected insulin doesn't seem to be impeded particularly in its performance. Although there are, apparently, different variants of T2, your T2 might well be the more common variant caused by high insulin resistance; so you and I could be very different in how extraneous insulin affects us.
A few things to note:
Firstly insulin, any insulin is just that, from our body's perspective. Our body doesn't know that each drop of insulin is intended to be rapid or slow, or has certain "manufacturer's design" sensitivities or characteristics - once in our blood it's a hormone that helps glucose move from blood to cells.
Secondly, that even release over about 36-48 hrs makes Tresiba both dependable, but inflexible. A change in dose will take at least 48 hrs to show a consequence, so unlike Lantus, Tresiba can't be used to counter any requirement today or even tomorrow; at least 2, preferably 3, days are needed to see and feel the benefit.
Consequently the way Tresiba behaves is VERY different to Lantus and this needs a different mindset for its successful use. In practice nobody's basal (=background) requirement is regular in frequency or even over any one 24 hr period. In the absence of food introducing glucose into our blood stream, our hormones trigger glucose releases from the liver's glucose store many times (irregularly) in a 24 hour period. So I aim to get my Tresiba providing me with stable BG during the long fasting period from late evening to breakfast. Then whatever extra benefit my Tresiba is providing to my daytime parties, is "what it is" and can not be accommodated by basal changes, without disrupting the stability I'm getting from my overnight fasting basal dose.
In practice this simply means my "basal testing" process needs me to look at my overnight CGM graphs: if my BG is level then my basal is as right as it can be. If I start high and end high - then I need to take measures to reduce that high, from my rapid insulin, exercise or activity, and/or food choice. But not my Tresiba. I ignore days when the overnight fasting is disrupted by "events" - whether those events are a late evening snack, needing a bolus, or a peak/drop during the night from explainable origins. There is an academic interest in having protracted fasting during daytime - to see what else is going on in relation to my Tresiba dose, but not to adjust my daily Tresiba. I am generally too busy (too much niff-naff and trivia) to make time for that academic exercise!
My tweaks of my Tresiba are infrequent, at least twice yearly from summer to winter and back, usually in 1/2 unit steps every 3+ days. Occasionally with a longer period of illness or with antibiotics, thus 2 changes: small increase and back again afterwards. My summer dose was 7.5 units; last year's winter dose was 9 units and I'm currently at 8 units (I've not been out in the cold much this winter) expecting to take another 1/2 unit soon.
I hope some of this helps you decide what could be better for you.
