Novolin 30R;Pioglitazone;Metformin
Drug- Insulin (Novolin 30R) was titrated according to the level of blood glucose until reached euglycemia (FPG≤6.1mmol/L and/or P2hBG≤8.0mmol/L and/or HbA1c ≤6.5%). After glucose was well controlled within these targets for 4 weeks, insulin dosage was gradually decreased until discontinued;
- Pioglitazone hydrochloride was discontinued if the glucose was well controlled at the 6th week after the cessation of insulin;
- Metformin was the last drug that to be discontinued if the glucose was still well controlled at the 4th week after the cessation of pioglitazone.