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New research shows ACTOS is associated with a 38 percent lower risk of heart attack
Date:9/19/2007

Amsterdam, The Netherlands, Sept. 19, 2007 -- New research, including two studies presented this week at the 43rd Annual Meeting of the European Association for the Study of Diabetes (EASD), further support the cardiovascular safety of ACTOS (pioglitazone HCI) and its benefits regarding improved blood glucose and blood lipid levels for patients with type 2 diabetes. The unique outcomes, including some clinical practice results, reinforce the consistency of pioglitazone data and underscore that ACTOS has different effects from the other thiazolidinedione rosiglitazone due to differences in molecular structure.

New research [1] presented at EASD has shown that therapies which include pioglitazone are associated with significant reductions in the risk of stroke or myocardial infarction (MI) compared to non-thiazolidinedione therapies. This retrospective analysis of case records from a large managed care database of diabetes patients have shown that the adjusted relative risk of stroke for the pioglitazone group was 20 percent lower than the group not receiving pioglitazone. Likewise, the risk of heart attack over the study period was 38 percent lower in patients receiving pioglitazone than in those taking an anti-diabetes drug regimen that did not include pioglitazone. John Betteridge, Professor of Endocrinology and Metabolism at University College, London said: The results of this analysis are very welcome and support the findings from the PROactive study of pioglitazone for secondary prevention of vascular events which showed a reduction in stroke and heart attack in this high risk population.

In addition, the GLAI study [2] , also presented at EASD, further reflects the cardioprotective strength of pioglitazone. A new analysis of data from the first three months of this six-month head-to-head study of pioglitazone and rosiglitazone, in which the endpoint was the change in serum lipids, demonstrated that initial treatment with a starting dose of pioglitazone (30 mg) was more effective than a starting dose of rosiglitazone (4 mg) in improving blood glucose (HbA1c) levels and lipid levels. Also, researchers found that in addition to lowering HbA1c significantly more than rosiglitazone, pioglitazone also significantly decreased triglyceride levels and non-HDL cholesterol (a predictor of cardiovascular death), and markedly improved HDL-C levels (good cholesterol) versus rosiglitazone. A likely explanation for the different effects on heart attack and strokes between the two drugs could be the favourable effect of pioglitazone in increasing HDL cholesterol without adverse effects on LDL as demonstrated in the GLAI study, said Professor Betteridge.

The data presented at EASD add weight to a growing body of evidence including newly published findings from a large retrospective cohort trial published recently in the journal of Pharmacoepidemiology and Drug Safety [3] , which showed that pioglitazone is associated with a 22 percent relative risk reduction of hospitalization for acute myocardial infarction in patients with type 2 diabetes compared to rosiglitazone. In addition, they correlate with findings from a meta analysis published in the Journal of the American Medical Association [4] which demonstrated that pioglitazone reduces the risk of heart attack, stroke or death by 18 percent in patients with type 2 diabetes.


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Contact: Alison Wright
alison.wright@ketchum.com
44-207-611-3662
Ketchum
Source:Eurekalert

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