RT Journal Article SR Electronic T1 In vitro susceptibility of mycobacterium bovis against moxifloxacin JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP p4417 VO 38 IS Suppl 55 A1 Timo Weiss A1 Torsten Blum A1 Jens Kollmeier A1 Harald Mauch A1 Holger Russmann A1 Nicolas Schönfeld A1 Torsten T. Bauer YR 2011 UL http://erj.ersjournals.com/content/38/Suppl_55/p4417.abstract AB Introduction: Mycobacterium bovis, the causative agent of bovine tuberculosis is also responsible for diseases in humans. To date there are no data available on the in vitro susceptibility of M. bovis strains to moxifloxacin, an established second line drug in the treatment of disease caused by M. tuberculosis.Methods: From M. bovis-positive cultures from BAL, sputum, pleural effusion or cerebrospinal fluid of 34 pts from the years 1993-2010, we retrospectively evaluated the sensitivity in vitro and the minimum inhibitory concentrations of moxifloxacin. Culturing and resistance testing was performed on solid Middlebrook agar plates.Results: Out of 34 tested M. bovis-positive cultures 33 showed a sensitivity to moxifloxacin at 2 or 4 mcg/ml. Only one strain showed resistance.Conclusion: Our study of a small group of patients shows a high sensitivity rate of moxifloxacin against M. bovis strains. Despite the absence of clinical treatment studies, we see a potential use of moxifloxacin as a second line drug, with regular ineffectiveness of the first-line drug pyrazinamide in M. bovis.