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Antimicrobial Agents and Chemotherapy, January 2001, p. 353-355, Vol. 45, No. 1
0066-4804/01/$04.00+0   DOI: 10.1128/AAC.45.1.353-355.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.

In Vitro Pharmacodynamic Studies of Activities of Ketolides HMR 3647 (Telithromycin) and HMR 3004 against Extracellular or Intracellular Helicobacter pylori

I. Gustafsson,1 L. Engstrand,1 and O. Cars2,*

Department of Clinical Bacteriology,1 and Antibiotic Research Unit, Department of Infectious Diseases,2 Uppsala University, Uppsala, Sweden

Received 24 April 2000/Returned for modification 21 August 2000/Accepted 25 October 2000

The pharmacodynamic properties of the ketolides HMR 3647 (telithromycin) and HMR 3004 were studied against Helicobacter pylori. Both ketolides showed a pronounced concentration-dependent killing, a significant postantibiotic effect, a long postantibiotic sub-MIC effect, and a reduction of intracellular H. pylori.


* Corresponding author. Mailing address: Department of Infectious Diseases, University Hospital, SE-751 85 Uppsala, Sweden. Phone: 46 (18) 611 56 72. Fax: 46 (18) 611 56 50. E-mail: otto.cars{at}smi.ki.se.


Antimicrobial Agents and Chemotherapy, January 2001, p. 353-355, Vol. 45, No. 1
0066-4804/01/$04.00+0   DOI: 10.1128/AAC.45.1.353-355.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.



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