Key Trials and name definitions See the definitions (medical) for the trial names below EUPHAS Early Use of Polymyxin B Hemoperfusion in Abdominal Septic Shock EUPHRATES Evaluating the Use of Polymyxin B Hemoperfusion in a Randomized control trial of Adults Treated for Endotoxemia and Septic shock The ongoing Euphas 2 Registry will also continue to provide valuable data