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Antimicrobial Agents and Chemotherapy, November 2001, p. 3242-3245, Vol. 45, No. 11
0066-4804/01/$04.00+0 DOI: 10.1128/AAC.45.11.3242-3245.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.
Activities of a New Fluoroketolide, HMR 3787, and Its
(Des)-Fluor Derivative RU 64399 Compared to Those of Telithromycin,
Erythromycin A, Azithromycin, Clarithromycin, and Clindamycin
against Macrolide-Susceptible or -Resistant Streptococcus
pneumoniae and S. pyogenes
Kensuke
Nagai,1
Todd A.
Davies,1
Lois M.
Ednie,1
Andre
Bryskier,2
Elizabeth
Palavecino,3
Michael R.
Jacobs,3 and
Peter C.
Appelbaum1,*
Hershey Medical Center, Hershey, Pennsylvania
170331; Hoechst Marion Roussel Aventis
Anti-infectives, Romainville, France2; and
Case Western Reserve University, Cleveland, Ohio
441063
Received 1 March 2001/Returned for modification 1 June
2001/Accepted 30 July 2001
Activities of HMR 3787 and RU 64399 were compared to those of three
macrolides, telithromycin, and clindamycin against 175 Streptococcus pneumoniae isolates and 121 Streptococcus pyogenes isolates. HMR3787 and
telithromycin were the most active compounds tested against
pneumococci. Telithromycin and RU 64399 were equally active against
macrolide-susceptible (MICs, 0.008 to 0.06 µg/ml) and -resistant
S. pyogenes isolates, but HMR 3787 had lower MICs for
ermB strains.
*
Corresponding author. Mailing address: Department of
Pathology, Hershey Medical Center, Hershey, PA 17033. Phone: (717)
531-5113. Fax: (717) 531-7953. E-mail: pappelbaum{at}psu.edu.
Antimicrobial Agents and Chemotherapy, November 2001, p. 3242-3245, Vol. 45, No. 11
0066-4804/01/$04.00+0 DOI: 10.1128/AAC.45.11.3242-3245.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.
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