Evaluates gepotidacin's effect with other antimicrobials against Neisseria gonorrhoeae, indicating additive effects.
This study was conducted to determine the potential effect of other antimicrobial agents on the in vitro activity of gepotidacin against six WHO N. gonorrhoeae and QC strain ATCC 49226 by checkerboard assays using Graver-Wade broth. Synergy and antagonism were evaluated using fractional inhibitory concentration (FIC) and FIC index (FICI) results for gepotidacin and comparator agents (azithromycin, cefixime, ceftriaxone, gemifloxacin, sitafloxacin, gentamicin, spectinomycin, doxycycline, and lefamulin). The evaluation of FICI showed no antagonistic or synergistic interactions, while the evaluation of individual FIC values revealed strain- and agent-specific synergistic or additive effects.
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Koeth et al. (2026) studied this question.
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