Stopped: Enough information was gathered in order to answer the primary research question
The "Open Artificial Pancreas System (OpenAPS)" was designed to quickly spread technology and knowledge about the construction of artificial pancreas systems to patients with diabetes without awaiting clinical regulatory approval. OpenAPS is based on a privately shared software programs and available insulin pumps and glucose sensors. OpenAPS includes a "decision making" algorithm, which issues adaptions of basal rates to insulin pumps, which represents all fundamental aspects of closed loop artificial pancreas systems. The present study aims to compare the accuracy and performance of a self-constructed OpenAPS system with the approved hybrid closed loop system Medtronic Minimed 670G. While wearing the Medtronic Minimed 670G in automode, study participants will wear an OpenAPS system in parallel, which does calculate basal rate adaptions based on continuous glucose monitoring data and its respective algorithm. The investigators aim to recruit 15 participants in an open label, single-center, single-arm, observational study. Insulin injection will only be provided by the Medtronic 670G HCL system (Basal rate insulin). The OpenAPS system will be worn contemporaneously, calculate recommended basal rate insulin adjustments but will not inject insulin. The maximum treatment period will be 2 weeks per patient.
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Adjustments of basal rate insulin infusion OpenAPS
Timeframe: Maximum duration of 2 weeks per participant
Adjustments of basal rate insulin infusion 670G
Timeframe: Maximum duration of 2 weeks per participant