Optimization of colistin dosing regimen for cystic fibrosis patients with chronic Pseudomonas aeruginosa biofilm lung infections.

colistin treatment using 45 min iv infusion is better than 90 min iv infusion in this study. Colistin dosage of 9 MIU is better than 6 MIU on both planktonic and biofilm infections of P. aeruginosa in this study.