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The incidence of type 2 diabetes is on the increase. According to recent Canadian Diabetes Association guidelines glucose control, based on the A1C measurement, needs to be achieved within a 6-12 month period of time after the initial diagnosis of type 2 diabetes. The guidelines on the use of antihyperglycemic agents identify the potential benefits of sub-maximal oral combination therapy in order to achieve more rapid and improved glycemic control compared with higher dose monotherapy. Furthermore, many patients on prolonged oral antihyperglycemic monotherapy who then start on combination therapy may not achieve the required target glycemic control. Indeed early initiation of combination therapies may be necessary to achieve and maintain glycemic targets because of the progressive deterioration of pancreatic β cell function and glycemic control.
AvandametTM combines two oral antihyperglycemic agents, rosiglitazone maleate and metformin hydrochloride, with different but complementary mechanisms of action to improve glycemic control while reducing circulating insulin levels in patients with type 2 diabetes. AvandiaTM and AmarylTM combine two antidiabetic agents, rosiglitazone maleate and glimepiride. Glimepiride is an effective antihyperglycemic agent which has a low incidence of hypoglycemia, symptomatic hypoglycemia, severe hypoglycemia, and confirmed hypoglycemia. Subjects in this study who are inadequately controlled on diet, exercise and a submaximal dose of metformin or SU will be randomized to either a combination of metformin plus rosiglitazone (AvandametTM) or a combination of AvandiaTM + AmarylTM or a Metformin monotherapy arm. As per the Canadian Diabetes Association guidelines, their fasting plasma glucose and A1C to be 7 (mmol/L/%) or less throughout the study. If the subject does not achieve the target then either AvandametTM or AvandiaTM and AmarylTM or Metformin will be up-titrated in an effort to reach this CDA recommended target. This study will attempt to demonstrate that the either combination arm of rosiglitazone plus metformin (AvandametTM) or the other combination arm of AvandiaTM + AmarylTM will provide greater glycemic control while avoiding the side-effects associated with the use of maximal dose metformin.
Allocation: Randomized, Control: Active Control, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment
Type 2 Diabetes Mellitus
Avandia, Amaryl, Avandamet, Metformin
Canadian Heart Research Centre
Canadian Heart Research Centre
Published on BioPortfolio: 2014-08-27T03:52:27-0400
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A subclass of DIABETES MELLITUS that is not INSULIN-responsive or dependent (NIDDM). It is characterized initially by INSULIN RESISTANCE and HYPERINSULINEMIA; and eventually by GLUCOSE INTOLERANCE; HYPERGLYCEMIA; and overt diabetes. Type II diabetes mellitus is no longer considered a disease exclusively found in adults. Patients seldom develop KETOSIS but often exhibit OBESITY.
A biguanide hypoglycemic agent used in the treatment of non-insulin-dependent diabetes mellitus not responding to dietary modification. Metformin improves glycemic control by improving insulin sensitivity and decreasing intestinal absorption of glucose. (From Martindale, The Extra Pharmacopoeia, 30th ed, p289)
The time period before the development of symptomatic diabetes. For example, certain risk factors can be observed in subjects who subsequently develop INSULIN RESISTANCE as in type 2 diabetes (DIABETES MELLITUS, TYPE 2).
A pharmaceutical preparation of sitagliptin phosphate and metformin hydrochloride that is used in the treatment of TYPE 2 DIABETES.
A subtype of DIABETES MELLITUS that is characterized by INSULIN deficiency. It is manifested by the sudden onset of severe HYPERGLYCEMIA, rapid progression to DIABETIC KETOACIDOSIS, and DEATH unless treated with insulin. The disease may occur at any age, but is most common in childhood or adolescence.