Study on cost and usage pattern of anti-diabetic agents in Outpatient Pharmacy Department of Hospital Selayang in year 2007 using DDD method

The increasing use of anti-diabetic leads the increment of cost of medication in Hospital Selayang. A study was done in Hospital Selayang to determine the cost and usage of anti­diabetic agent in Outpatient Pharmacy Department (OPD) of Hospital Selayang in 2007. ln addition, this study will cover the cost of anti-diabetic agent, in the treatment of type 1 and 2 Diabetic Mellitus in Hospital Selayang base on Clinical Practice Guidelines, Management of Type 2 Diabetes Mellitus Third Edition (2004).
The anti-diabetic agents are available in Outpatient Pharmacy Department are Metformin (biguanides), Gligclazide and Glibenclamide (sulfonylurea), Acarbose (Alpha­glucosideinhibitor), Rosiglitazone (Thiazolidinediones), insulins that are the intermediate acting combined with fast acting insulin, short acting, intermediate-acting and long acting respectively. Data was obtained from Hospital Inventory System (HIS), Bin card from Outpatient Pharmacy Department substore and Outpatient Pharmacy Department Medication Indent 2007.
Nine of anti-diabetic agent was studied and the higher cost for 2007 is insulin intermediate acting combined with fast acting. However, Gliclazide was the higher anti­diabetic agent used.