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In-vitro activity of 3-azinomethyl-rifamycin (SPA-S-565) against Chlamydia trachomatis
Author(s) -
Stefania Zanetti,
Donatella Usai,
Alessandro is,
Guido Fadda
Publication year - 1996
Publication title -
journal of antimicrobial chemotherapy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.124
H-Index - 194
eISSN - 1460-2091
pISSN - 0305-7453
DOI - 10.1093/jac/37.2.357
Subject(s) - chlamydia trachomatis , rifampicin , erythromycin , rifamycin , microbiology and biotechnology , minimum inhibitory concentration , chlamydia , in vitro , antibiotics , chlamydiaceae , antibacterial agent , biology , chlamydiales , virology , medicine , immunology , genetics
The in-vitro activity of a 3-azinomethyl-rifamycin (SPA-S-565) against Chlamydia trachomatis was compared to that of rifampicin and of erythromycin. The compound showed excellent activity for standard strains as well as isolates from patients with sexually transmitted diseases, being more active than the other drugs tested. SPA-S-565 also showed a low frequency of emergence of resistance. Passage of standard strains at sub-inhibitory concentrations caused an increase in MIC values of rifampicin while those for SPA-S-565 remained unchanged.

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