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Antimicrobial Agents and Chemotherapy, April 2002, p. 1122-1124, Vol. 46, No. 4
0066-4804/02/$04.00+0 DOI: 10.1128/AAC.46.4.1122-1124.2002
Copyright © 2002, American Society for Microbiology. All Rights Reserved.
Combination of Quinupristin-Dalfopristin (Synercid) and Rifampin Is Highly Synergistic in Experimental Staphylococcus aureus Joint Prosthesis Infection
Azzam Saleh-Mghir,1 Nourdine Ameur,1 Claudette Muller-Serieys,2 Farid Ismael,1 Françoise Lemaitre,2 Laurent Massias,1 Céline Feger,3 Rémy Bléton,1 and Anne-Claude Crémieux1*
INSERM EMI-U 9933,1
Microbiology, Hôpital Bichat-Claude Bernard,2
Aventis Pharma, Paris, France3
Received 2 August 2001/
Returned for modification 10 October 2001/
Accepted 23 December 2001
We compared the efficacies of quinupristin-dalfopristin (Q-D; 30 mg/kg of body weight every 8 h) and vancomycin (60 mg/kg twice daily), alone or in combination with rifampin (10 mg/kg twice daily), in a rabbit model of methicillin-resistant Staphylococcus aureus knee prosthesis infection. In contrast to vancomycin, Q-D significantly reduced the mean log10 CFU per gram of bone versus that for the controls. The combination of rifampin with either Q-D or vancomycin was significantly more effective than monotherapy.
* Corresponding author. Mailing address: Hôpital Bichat-Claude Bernard, 46 rue Henri Huchard, 75877 Paris Cedex 18, France. Phone: 33 (1) 40 25 87 00. Fax: 33 (1) 40 25 88 45. E-mail:
anne-claude.cremieux{at}bch.ap-hop-paris.fr.
Antimicrobial Agents and Chemotherapy, April 2002, p. 1122-1124, Vol. 46, No. 4
0066-4804/02/$04.00+0 DOI: 10.1128/AAC.46.4.1122-1124.2002
Copyright © 2002, American Society for Microbiology. All Rights Reserved.
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