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>Evaluation of Drugs with Therapeutic Potential for Susceptibility of Neisseria Gonorrhoeae Isolates from 8 Provinces in China from 2018
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Evaluation of Drugs with Therapeutic Potential for Susceptibility of Neisseria Gonorrhoeae Isolates from 8 Provinces in China from 2018
Purpose:The study aimed to evaluate meropenem, fosfomycin, berberine hydrochloride, and doxycycline minimum inhibitory concentrations (MICs) of Neisseria gonorrhoeae collected from eight provinces in China in 2018.Methods:The MICs of 540 Neisseria gonorrhoeae isolates (451 isolates selected randomly and 89 isolates selected with preference) were determined to meropenem, fosfomycin, berberine hydrochloride, and doxycycline using the agar dilution method, and the MICs of ceftriaxone and azithromycin were detected for comparison.Results:Among 451 randomly selected isolates, the MIC 90 was 0.06 mg/L for meropenem, 64 mg/L for fosfomycin, 64 mg/L for berberine hydrochloride, and 16 mg/L for doxycycline. All isolates showed the MIC ≤ 0.125 mg/L to meropenem, 13 isolates (2.9%) showed MIC 64 mg/L to fosfomycin, 8 isolates (1.8%) demonstrated MIC 64 mg/L to berberine hydrochloride, and 271 isolates (60.1%) demonstrated MIC 1 mg/L to doxycycline. Comparing all 540 tested isolates, a correlation of r = 0.50 (P 64 mg/L for fosfomycin, 1 isolate (4.2%) showed an MIC 64 mg/L for berberine hydrochloride, and 13 isolates (54.2%) showed an MIC 1 mg/L for doxycycline. In 87 azithromycin resistant isolates, all isolates showed an MIC ≤ 0.125 mg/L for meropenem, 2 isolates (2.3%) showed an MIC 64 mg/L for fosfomycin, 4 isolates (4.6%) showed an MIC 64 mg/L for berberine hydrochloride, and 64 isolates (73.6%) showed an MIC 1 mg/L for doxycycline.Conclusion:The in vitro results suggest that meropenem might be a promising treatment option for resistant gonococcal infections, while the effects of fosfomycin and berberine hydrochloride should be further evaluated as potential therapeutic agents. The effectiveness of these drugs in animal experiments and clinical use may need further study.? 2020 Zheng et al.
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