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After a single high dose of (8 or 10 mg/kg BW) of daptomycin IV, bone levels were measured in plasma and trabecular bone obtained during hip or knee surgery of 16 patients.[1] At the time of surgery, mean concentrations in plasma and synovial fluid were 39 and 22 µg/mL, respectively. Continue reading Adequate Penetration of Daptomycin Into Bone Tissue
Several antibiotic classes are associated with QTc prolongation: macrolides, quinolones, the antimalarials that share the quinine structure, and many azole antifungals. FDA warned about the proarrhythmic effects of azithromycin in 2013 [i] but it is a recent publication by Rao which brings the message home again with some very disquieting Continue reading QT Prolongation with Azithromycin and Levofloxacin
At a still earlier stage of development, we found some exciting anti-pseudomonal compounds. First, there is BAL-30072, a sulfactam-derivative. It has an interesting dual MoA as it works not only as a traditional B-lactam but also as an Fe-chelator blocking bacteria from accessing this essential nutrient [i]. It has very good anti-pseudomonas Continue reading Fighting P. aeruginosa (Part II)