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Eravacycline combined with β-lactams or polymyxin B can lead to synergistic effects against clinically common carbapenem-resistant Gram-negative bacteria. The synergistic effects of eravacycline-based combinations varied in different species. A combination of eravacycline and polymyxin B may be considered for the treatment of carbapenem-resistant E. coli and K. pneumoniae; eravacycline in combination with ceftazidime or a carbapenem antimicrobial may be considered for the treatment of carbapenem-resistant A. baumannii.
Li et al. (Tue,) studied this question.