CHARLESTON, W.Va. & CARLSBAD, Calif.--(BUSINESS WIRE)--Nexeon MedSystems, Inc., a developer of medical technology for the treatment of cardiovascular disease, announced today that the company has initiated PROTEX I, a first-in-man trial designed to evaluate the safety of the prohealing PROTEX™ Coronary Stent System for the treatment of coronary artery disease. The first patient was enrolled by Professor Eberhard Grube, Chief of Cardiology and Angiology, Heart Center Siegburg in Siegburg, Germany.