Daptomycin activity tested against 164457 bacterial isolates from hospitalised patients: summary of 8 years of a Worldwide Surveillance Programme (2005-2012).


:We report the results of 8 years (2005-2012) of the Daptomycin Surveillance Programme Worldwide. Consecutive non-duplicate bacterial isolates (prevalence design) were collected from patients with documented infections in 410 medical centres and were susceptibility tested by reference broth microdilution methods. A total of 164457 Gram-positive isolates were evaluated, including 97542 Staphylococcus aureus, 21413 coagulase-negative staphylococci (CoNS), 29619 enterococci and 15883 β-haemolytic streptococci. The prevalence of daptomycin-non-susceptible isolates was extremely low for all species in all geographic regions. Overall, the highest occurrence of non-susceptible isolates was observed among CoNS (0.19%), followed by Enterococcus faecium (0.18%), S. aureus (0.05%), Enterococcus faecalis (0.02%) and β-haemolytic streptococci (0.00%). Moreover, no trend towards increased daptomycin resistance (non-susceptibility) was observed for any species in any geographic region during the study interval. Against S. aureus, the daptomycin MIC(50/90) was 0.25/0.5 mg/L in all geographic regions (99.95% susceptible overall). Only 53 daptomycin-non-susceptible S. aureus isolates were observed and the vast majority (49; 92.5%) had a daptomycin MIC value only 1 log(2) dilution above the published susceptible breakpoint. Daptomycin was also active against CoNS (MIC(50/90), 0.25/0.5 mg/L; 99.81% susceptible), E. faecalis (MIC(50/90), 1/2 mg/L; 99.98% susceptible), E. faecium (MIC(50/90), 2/4 mg/L; 99.82% susceptible) including vancomycin-non-susceptible isolates (4521 isolates; MIC(50/90), 2/2 mg/L; 99.76% susceptible), and β-haemolytic streptococci (MIC(50/90), ≤0.06/0.25 mg/L; 100.0% susceptible). In conclusion, daptomycin has remained very active against indicated species worldwide, and no significant year-to-year or regional variation in daptomycin activity has been detected.


Sader HS,Farrell DJ,Flamm RK,Jones RN




Has Abstract


2014-05-01 00:00:00














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    journal_title:International journal of antimicrobial agents

    pub_type: 杂志文章


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    journal_title:International journal of antimicrobial agents

    pub_type: 杂志文章


    authors: Bonina L,Arena A,Cesana M,Costa GB,Mastroeni F,Carbone M

    更新日期:1993-02-01 00:00:00

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    journal_title:International journal of antimicrobial agents

    pub_type: 杂志文章


    authors: Gous A,Lipman J,Scribante J,Tshukutsoane S,Hon H,Pinder M,Mathivha R,Verhoef L,Stass H

    更新日期:2005-07-01 00:00:00

  • Quinolones in the treatment of complicated urinary tract infection.

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    journal_title:International journal of antimicrobial agents

    pub_type: 杂志文章


    authors: Graninger W,Wenisch C,Presterl E

    更新日期:1994-07-01 00:00:00