High ratio active agent: lipid complex

摘要

High ratio active agent:lipid complexes, their preparation and use are disclosed. Particular reference is made to cephalosporin:lipid complex and iodinated contrast agent:lipid complex. Use of high ratio cephalosporin:lipid complex in bacterial prophylaxis, and particularly bacteremia prophylaxis, including a method of preventing bacterial infection in an animal over an extended period comprising the step of administering to said animal a high ratio cephalosporin:lipid complex is further disclosed as is the use of high ratio iodinated contrast agent:lipid complex in X-ray applications.