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Indian J Cancer. 2017 Oct-Dec;54(4):685-690. doi: 10.4103/ijc.IJC_364_17.

Antibiotic/adjuvant combinations (ceftriaxone + sulbactam + adjuvant disodium edetate) as an alternative empiric therapy for the treatment of nosocomial infections: Results of a retrospective study.

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Department of Internal Medicine, Intensive Care Unit, Metro Hospital, Noida, Uttar Pradesh, India.



Carbapenems are one of the last therapeutic options to treat various bacterial infections including multidrug resistant (MDR) nosocomial infections. However, excessive and inappropriate prescription of this drug has recently led to an epidemic rise in carbapenem resistance. Optimizing antibiotic utilization and exploring alternate options can be a potential way to control carbapenem resistance. The aim of this study was to assess the clinical efficacy of novel antibiotic adjuvant entity (ceftriaxone + sulbactam + ethylenediaminetetraacetic acid [EDTA] [CSE-1034]) in the treatment of various nosocomial infections.


Older patients suffering from hospital-acquired pneumonia, ventilator-associated pneumonia, and complicated urinary tract infections who received CSE-1034 as empirical therapy were evaluated. CSE-1034 therapy was initiated empirically and continued based on the results of culture sensitivity and clinical outcome.


In total, 59 culture-positive patients with mean age of 57 ± 19 years were evaluated in this retrospective study. Escherichia coli was the most predominant pathogen isolated, followed by Acinetobacter baumannii, Klebsiella pneumonia, and Pseudomonas aeruginosa. Microbial sensitivity analysis has shown that isolates from all patients exhibited resistance to multiple classes of antibiotics. Isolated pathogens from 78% were sensitive to meropenem, 86% to CSE-1034, and 100% to colistin except Proteus species. Overall assessment of clinical outcome has shown that 83% cases were cured with CSE-1034 monotherapy, 12% with CSE-1034 and colistin combination therapy, and 5% were cured with alternate meropenem therapy.


From this study, it can be concluded that ceftriaxone + sulbactam + EDTA alone or in combination with colistin can be an effective empiric treatment of various MDR nosocomial infections and can serve as an effective alternative to carbapenems.


CSE-1034; Colistin; complicated urinary tract infection; hospital-acquired pneumonia; multidrug resistance; ventilator-associated pneumonia

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