Analysis of “Laboratory and Benchtop Performance of a Mealtime Insulin Delivery System”

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In the current issue of Journal of Diabetes Science and Technology, Dreon et al give a comprehensive overview of the technical performance of a wearable patch for bolus insulin delivery. The test results generated by the manufacturer of the bolus-patch provide the technical prerequisites for clinical application. As the device received FDA clearance already in 2010, positive results from the nonclinical performance testing were to be expected, but present nevertheless interesting insights into the device development. The single-dose accuracy verification results seem especially promising, but tighter accuracy criteria could have been specified and information on outliers is missing from the analysis. The clinical application of the bolus-patch is currently under investigation in a large-scale 44-week intervention trial.

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