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Antimicrobial Agents and Chemotherapy, March 2004, p. 1034-1036, Vol. 48, No. 3
0066-4804/04/$08.00+0 DOI: 10.1128/AAC.48.3.1034-1036.2004
Copyright © 2004, American Society for Microbiology. All Rights Reserved.
In Vitro Activities of Tigecycline against the Bacteroides fragilis Group
N. V. Jacobus,1 L. A. McDermott,1 R. Ruthazer,2 and D. R. Snydman1*
Division of Geographic Medicine and Infectious Diseases, Department of Medicine,1
Division of Clinical Research, Tufts-New England Medical Center, Boston, Massachusetts 021112
Received 19 May 2003/
Returned for modification 9 August 2003/
Accepted 9 November 2003
The in vitro activities of tigecycline were tested against 831 isolates of the Bacteroides fragilis group representing all of the species within the group. On a weight-to-weight basis (8 µg/ml), tigecycline was more active than clindamycin, minocycline, trovafloxacin, and cefoxitin and less active than imipenem or piperacillin-tazobactam against all isolates of the B. fragilis group. Tigecycline geometric mean MICs were statistically higher against B. distasonis than other Bacteroides species (P value of 0.0001).
* Corresponding author. Mailing address: Division of Geographic Medicine and Infectious Diseases, Tufts-New England Medical Center, Boston, MA 02111. Phone: (617) 636-5788. Fax: (617) 636-8525. E-mail:
dsnydman{at}tufts-nemc.org.
Antimicrobial Agents and Chemotherapy, March 2004, p. 1034-1036, Vol. 48, No. 3
0066-4804/04/$08.00+0 DOI: 10.1128/AAC.48.3.1034-1036.2004
Copyright © 2004, American Society for Microbiology. All Rights Reserved.
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