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Background and Objectives: The burden of type 2 diabetes mellitus is growing rapidly, particularly in the Asia-Pacific region. The aim of this international, large-scale, observational study was to investigate the efficacy and tolerability of the antidiabetic agent acarbose as add-on or monotherapy in a range of patients with type 2 diabetes, including those with cardiovascular morbidities. The majority of practices were included from high-burden regions (predominantly those in the Asia-Pacific region)., Methods: This was an observational study conducted in 15 countries/regions. Adults with pre-treated or untreated type 2 diabetes prescribed acarbose as add-on or monotherapy were eligible. Two-hour postprandial blood glucose (2-h PPG), glycosylated haemoglobin (HbA1c) and fasting blood glucose (FBG) were measured over a 3-month observation period., Results: A total of 15,034 patients were valid for the efficacy analysis and 15,661 for the safety analysis (mean age was 57.6 years and 92.6 % of patients were Asian). Mean (SD) 2-h PPG decreased by -71.9 (62.3) mg/dL, to 170.2 (46.5) mg/dL at final visit (after 12.8 [4.1] weeks). Mean HbA1c decreased by -1.1 % (1.3) to 7.2 % (1.1) and mean FBG decreased by -33.0 (43.3) mg/dL to 124.8 (30.5) mg/dL. Acarbose was effective regardless of the presence of cardiovascular co-morbidities or diabetic complications. The efficacy of acarbose was rated 'very good' or 'good' in 85.5 % of patients, and tolerability as 'very good' or 'good' in 84.9 % of patients. Drug-related adverse events, mainly gastrointestinal, were reported in 490/15,661 patients (3.13 %)., Conclusion: The results of this observational study support the notion that acarbose is effective, safe and well tolerated in a large cohort of Asian patients with type 2 diabetes.

Objective: This open, prospective, non-interventional, non-randomised, multi-centre postmarketing surveillance study was conducted over a mean period of 13.9 weeks to assess the efficacy, safety and acceptance of acarbose in Chinese patients with type 2 diabetes mellitus and subjects with impaired glucose tolerance (IGT) in routine clinical practice. Subjects with IGT were included in analyses because acarbose has been approved for treatment of this condition since 2002., Patients and Methods: A total of 2550 study participants were enrolled by 133 physicians throughout China. Efficacy parameters were the changes from initial visit to the end of study in glycosylated haemoglobin (HbA(1c)), fasting blood glucose (FBG), postprandial BG and bodyweight., Results: The majority of study participants (74.7%) were newly diagnosed. Most (77.0%) were administered acarbose 50mg three times daily (the recommended standard dose in China) throughout the study and more than half (51.7%) received concomitant antihyperglycaemic treatment. Acarbose treatment reduced HbA(1c) by 1.4% to 6.7%, FBG by 38.5 mg/dL to 116.4 mg/dL, 2-hour postprandial BG by 92.2 mg/dL to 149.0 mg/dL and bodyweight by 0.4 kg to 67.5 kg. Subgroup analyses for type 2 diabetes and IGT populations were also conducted. In diabetic patients, HbA(1c) was reduced by 1.4%, FBG by 42.1 mg/dL and 2-hour postprandial BG by 98.9 mg/dL. Marked reductions were also achieved in the IGT population (0.9% for HbA(1c), 11.8 mg/dL for FBG and 42.9 mg/dL for 2-hour postprandial BG) despite lower baseline glucose levels in this group than in patients with type 2 diabetes. Bodyweight slightly increased in the IGT population. Only 12 acarbose-related adverse events, none of which was serious, were reported. The attending physicians assessed treatment efficacy as 'good' or 'very good' for 92.4%, tolerability as 'good' or 'very good' for 91.1%, and patient acceptance as 'good' or 'very good' for 89.8% of all study participants., Conclusion: Acarbose was efficacious, safe and well accepted by Chinese patients with type 2 diabetes and subjects with IGT under day-to-day treatment conditions, both as monotherapy and in combination with other antihyperglycaemic medication.

Objective: This postmarketing surveillance (PMS) study was conducted to assess the efficacy, safety and acceptance of acarbose treatment in patients with type 2 diabetes mellitus., Methods: Patients were recruited in this open, prospective, uncontrolled, non-randomised multicentre study by 159 physicians throughout Taiwan, following the guidelines of the Bureau of National Health Insurance (BNHI) of Taiwan. Primary efficacy parameters were changes in fasting blood glucose, postprandial blood glucose and glycosylated haemoglobin (HbA(1c)) values during treatment with acarbose., Results: The majority of the 1558 enrolled patients received acarbose 50 mg three times daily, had previously been treated with a sulphonylurea and/or biguanide, and were observed for a mean period of 13.9 weeks. Most patients (91.8%) received concomitant oral antihyperglycaemic agents. Acarbose reduced fasting blood glucose concentrations by 32.0 mg/dL and 2-hour postprandial blood glucose levels by 52.2 mg/dL. HbA(1c) was reduced by 1.0% from 9.9% to 8.9%, and bodyweight remained stable. The attending physicians assessed that acarbose was associated with 'very good' or 'good' general efficacy in 46.0% of patients, 'very good' or 'good' tolerability in 60.6% and 'very good' or 'good' patient acceptance in 63.4%. These ratings were higher for patients receiving acarbose monotherapy compared with those taking other antihyperglycaemic therapies in addition to acarbose. Only 2.0% of all patients experienced drug-related adverse events., Conclusion: Acarbose treatment provides an efficacious, safe and well accepted alternative for metabolic improvement in Taiwanese patients with type 2 diabetes under daily-life treatment conditions.