Pharmacokinetics and Pharmacodynamics of SPR994 for Multidrug Resistant Enterobacteriaceae Posted on April 24, 2018 at 2:52 pm.Written by Spero Therapeutics View Presentation Post navigation Pharmacokinetics and Pharmacodynamics of Tebipenem (SPR859) for Multidrug Resistant Enterobacteriaceae in a Hollow Fibre Infection ModelIn Vitro Activity Evaluation of a Next-Generation Polymyxin, SPR206, against Non-Fermentative Gram-Negative Bacilli Responsible for Human Infections