In vitro activity of Ro 15-8074, Ro 19-5247, A-56268, and roxithromycin (RU 28965) against Neisseria gonorrhoeae and Chlamydia trachomatis.

نویسندگان

  • W R Bowie
  • C E Shaw
  • D G Chan
  • W A Black
چکیده

In vitro Ro 15-8074 and Ro 19-5247 (T2525), two new oral cephalosporins, were active against 410 penicillin-susceptible and -resistant isolates of Neisseria gonorrhoeae. Two new macrolides, A-56268 and to a lesser extent roxithromycin (RU 28965), were active against Chlamydia trachomatis. A-56268 had activity against N. gonorrhoeae similar to that of erythromycin.

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منابع مشابه

In vitro activity of ceftriaxone, cefetamet (Ro 15-8074), ceftetrame (Ro 19-5247; T-2588), and fleroxacin (Ro 23-6240; AM-833) versus Neisseria gonorrhoeae and Haemophilus ducreyi.

We examined 300 strains of Neisseria gonorrhoeae and 100 strains of Haemophilus ducreyi to determine their in vitro susceptibility to two new cephalosporins, cefetamet (Ro 15-8074) and ceftetrame (Ro 19-5247; T-2588), and a new fluroquinolone, fleroxacin (Ro 23-6240; AM-833). Their activity was compared with that of ceftriaxone, penicillin, spectinomycin, tetracycline, and erythromycin. Cefetam...

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In vitro activity of Ro 15-8074, a new oral cephalosporin, against Neisseria gonorrhoeae.

Ro 15-8074, a new cephalosporin the pivaloyloxymethylester of which (Ro 15-8075) is orally absorbable, showed greater in vitro activity than cefaclor against 48 Neisseria gonorrhoeae strains, including 25 penicillinase-producing strains. Unlike cefaclor, Ro 15-8074 was unaffected by increase in inoculum size, and it exhibited a remarkable stability against gonococcal beta-lactamase hydrolysis.

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Preliminary antimicrobial susceptibility interpretive criteria for cefetamet (Ro 15-8074) and cefteram (Ro 19-5247) disk tests.

Preliminary interpretive zone criteria were calculated for cefetamet (Ro 15-8074) and cefteram (Ro 19-5247) by using 10- and 30-micrograms disks and three possible MIC susceptibility breakpoints. Absolute interpretive agreement between MICs and zone size criteria ranged from 91.8 to 97.2%. Very major errors (false susceptibility) were less than or equal to 1.2% for both cephalosporin disk tests...

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In vitro activities of several new macrolide antibiotics against Mycobacterium avium complex.

The in vitro activities of 12 macrolide compounds against 28 Mycobacterium avium complex strains isolated from patients with acquired immunodeficiency syndrome were determined by the conventional proportion method and by the BACTEC method. Clarithromycin (A-56268; TE-031), a new macrolide compound, was the most active agent tested, inhibiting 90% of strains at an MIC of 4 micrograms/ml by the B...

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In vitro activity of tosufloxacin (A-61827; T-3262) against selected genital pathogens.

The in vitro activity of tosufloxacin (A-61827; T-3262) against 15 clinical isolates of Chlamydia trachomatis and 31 recent clinical isolates of Neisseria gonorrhoeae, including 15 spectinomycin-resistant N. gonorrhoeae and 16 penicillinase-producing N. gonorrhoeae, was determined. Tosufloxacin was compared with doxycycline, ciprofloxacin, and temafloxacin against C. trachomatis. Susceptibility...

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عنوان ژورنال:
  • Antimicrobial agents and chemotherapy

دوره 31 3  شماره 

صفحات  -

تاریخ انتشار 1987