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新型糖肽类药物LY 333328对青霉素敏感及耐药肺炎球菌的比较活性

Comparative activities of LY 333328, a new glycopeptide, against penicillin-susceptible and -resistant pneumococci.

作者信息

Fasola E, Spangler S K, Ednie L M, Jacobs M R, Bajaksouzian S, Appelbaum P C

机构信息

Department of Pathology (Clinical Microbiology), Case Western Reserve University, Cleveland, Ohio 44106, USA.

出版信息

Antimicrob Agents Chemother. 1996 Nov;40(11):2661-3. doi: 10.1128/AAC.40.11.2661.

Abstract

Microdilution MIC testing was used to test the susceptibility of 202 pneumococci to LY 333328 and six other agents. LY 333328 was the most active glycopeptide (MIC at which 90% of the pneumococci were inhibited [MIC90], 0.008 microgram/ml), followed by teicoplanin (MIC90, 0.06 microgram/ml) and vancomycin (MIC90, 0.5 microgram/ml). Rifampin resistance was seen in some penicillin-resistant strains. The MICs of imipenem and ceftriaxone rose with those of penicillin. Time-kill testing confirmed the excellent antipneumococcal activity of LY 333328.

摘要

采用微量稀释法进行最低抑菌浓度(MIC)检测,以测试202株肺炎球菌对LY 333328及其他六种药物的敏感性。LY 333328是活性最强的糖肽类药物(90%肺炎球菌被抑制时的MIC[MIC90]为0.008微克/毫升),其次是替考拉宁(MIC90为0.06微克/毫升)和万古霉素(MIC90为0.5微克/毫升)。在一些耐青霉素菌株中发现了对利福平的耐药性。亚胺培南和头孢曲松的MIC随青霉素的MIC升高而升高。时间杀菌试验证实了LY 333328具有出色的抗肺炎球菌活性。

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