informed consent obtained after being advised of the nature of the study

male or female aged 18 - 90 years (both inclusive)

type 2 diabetes treated with diet, oral agents, non-insulin injected anti-diabetic medicine, insulin therapy or any combination of the four

impaired renal function (serum creatinine ≥3.0mg/dl)

any disease or condition which the investigator or treating physician feels would interfere with the trial or the safety of the patient

pregnancy

any mental condition rendering the patient incapable of giving his consent

terminally ill patients

participation in a trial within 3 months prior to this trial

known or suspected allergy to insulin