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Study Reveals That Quantose IR(TM) Measures Insulin Sensitivity Better Than A1C Test For Pre-diabetes

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Study Reveals That Quantose IR(TM) Measures Insulin Sensitivity Better Than A1C Test For Pre-diabetes
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Metabolon, Inc. recently announced the results from a study that included samples from ACT NOW, a long-term diabetes prevention assessment of pre-diabetic subjects. Analysis showed that its Quantose IR™ test noted alterations in insulin sensitivity much better than the hemoglobin A1C test in those treated with pioglitazone, an insulin sensitizer. Results were published in the Journal of Clinical Endocrinology & Metabolism.

Patients with impaired glucose tolerance in the ACT NOW study were randomized to either receive pioglitazone (45mg/day) or a placebo and were followed up for 2.4 years on average. Scientists conducted a retrospective assessment through samples collected from 210 subjects that received pioglitazone to assess the whether the Quantose IR is appropriated for clinical monitoring of the changes in insulin sensitivity. Quantose IR detected insulin sensitivity and glucose tolerance, with 29 percent of significant improvement in Quantose IR scores in those treated with pioglitazone. On the contrary, A1C scores were slightly worse in the very same subjects.

A cause of type 2 diabetes, pre-diabetes, cardiovascular disease, high blood pressure and several other diseases is the resistance to insulin. Ralph A. DeFronzo, from the University of Texas Health Science Center, researcher of this study, said in a press release:

“Identifying and managing insulin resistance play significant roles in guiding interventions to delay or prevent these conditions. Until now, though, there were no simple tests to easily identify insulin resistance. Quantose IR appears to be a useful tool to identify and monitor therapy in insulin-resistant patients because of its strong correlation with improved insulin sensitivity and ease of use.”

“The Quantose IR test will help clinicians implement the recently issued American Diabetes Association intervention guidelines for prediabetes. While A1C is an excellent test for measuring changes in glucose, insulin resistance may occur more than 10 years before changes in glucose levels can be seen in a patient. Earlier clinical intervention along the continuum may prevent the progression to type 2 diabetes and other serious health problems,” concluded Eric Button who is Metabolon’s senior vice president of diagnostics.

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