The Medical Letter on Drugs and Therapeutics
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Minimed 670G: A Hybrid Closed-Loop Insulin Delivery System

The FDA has approved the Minimed 670G (Medtronic), a hybrid closed-loop insulin delivery system for use in patients ≥14 years old with type 1 diabetes. The system uses an algorithm to automatically adjust basal insulin doses based on readings from a continuous glucose monitor (CGM). It fully automates basal insulin delivery in "auto" mode, but is considered a "hybrid" system (not a true "artificial pancreas") because it requires some action by the patient. The 670G system is expected to become available in Spring 2017.

RELATED DEVICES — The Minimed 630G system was approved in August 2016 and is currently available; it has a less accurate CGM sensor than the 670G and does not automatically adjust insulin doses based on CGM readings. The 670G, 630G, and the earlier Minimed 530G all have an automatic suspend feature that alerts the patient and stops insulin ... more      

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