| Those numbers it looks like you aren't getting much effect at all. Which could be insulin resistance. There are also possibilites of the Lantus isn't working -- the vial is bad or there may even be a few people for whom Lantus doesn't work.
Your numbers are really high though right now which may be contributing to the problem. Basically, your metabolic thermostat of sorts is out of whack some probably because of the prolonged time of elevated blood sugars. Definitely get your blood drawn for c-pep and GAD, you might also want to pester your medical resources about some more intensive monitoring and work on getting those blood sugars down to more normal glycemic range. | 
