Comparison of Pharmacodynamics and Pharmacokinetics of Biphasic Insulin Aspart 50 to Biphasic Insulin Aspart 70 in Type 2 Diabetes

Inclusion Criteria: * Type 2 diabetes for at least 12 months * Stable glycaemic control, having been on the existing treatment for at least 1 month * BMI between 23-28 kg/m2 (non-obese) or between 30-35 kg/m2 (obese) * HbA1c below 9.0% * Willing to eat three main meals per day during the trial period and perform Self-Monitoring of Blood Glucose (SBGM) regularly Exclusion Criteria: * A history of drug abuse or alcohol dependence * Blood donation within the last 3 months * Currently being treated with systemic corticosteroids, Mono Amine Oxidase (MAO) inhibitors, beta-adrenergic blocking agents, anabolic steroids or any other drug affecting blood glucose * Severe, uncontrolled hypertension * Proliferative retinopathy or maculopathy requiring acute treatment * Pregnancy, breast-feeding, intention of becoming pregnant or judged not to be using adequate contraceptive measures (for women of childbearing potential only contraceptive pills and intra uterine devices are considered as adequate contraceptive methods)