Abstract
A persistent global challenge is the availability of affordable treatments for chronic conditions. The increasing sophistication of open-source hardware and software systems may provide hope. This report explores the Loop Open-Source Artificial Pancreas (APS). We consider the state of the software source code and report a case study for one individual using the system. Information presented here should be helpful for people with diabetes, considering the incorporation of Loop into their treatment regime or for those considering the development of an open-source medical system.