My take from using Fiasp®

February 24, 2018

Dr. Matthew Stephen is one my endocrine practice partners. Matt has lived well with type 1 diabetes for 33 years. He has used Fiasp and wrote this summary of his thoughts. 


Not surprisingly, the Fiasp® FlexTouch pen looks and feels much like the Tresiba® FlexTouch.  


In my limited experience so far with Fiasp, I have appreciated its rapid absorption and action.  Pre-meal dosing should be done with caution especially if pre-meal glucose is low or low-normal as it is absorbed and acts noticeably more rapid than other bolus insulins. 


I am not in the habit of eating a lot of simple carbohydrate meals or snacks; however, I did find it helpful in staying ahead of glucose rises with both cereal and donut intake. 


Further, I found that using it in conjunction with a continuous meter device I was able to wait until there was a faint rising trend (reverse "waiting for the bend") before giving my meal time injection and still limit glucose excursion and peak.  


With more experience and practice, I definitely can see potential benefits of Fiasp including flexibility for meal time dosing/time, prompter correction of high glucoses, and improved management of more complex meals. 


Hopefully, Fiasp will get pediatric indication and greater insurance coverages very soon.

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