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[Clinical efficacy of the antimicrobial drug furamag in nosocomial urinary tract infections].

AIM
To evaluate the efficacy of the combined drug furamag (furasidine potassium and magnesium hydroxycarbonate) in combination with the third-generation cephalosporin cefotaxime versus cephalosporin monotherapy for nosocomial urinary tract infections (NUTI).


SUBJECTS AND METHODS
The randomized open-label comparative parallel group clinical trial enrolled 52 male and female patients aged over 18 years with a documented diagnosis of NUTI. Group 1 (a study group) took oral furamag 300 mg/day in combination with intravenous cefotaxime 6 g/day; Group 2 (a control group) received cefotaxime monotherapy. The duration of therapy in both groups was 7 to 10 days until the efficiency levels were achieved.


RESULTS
A final efficiency analysis was made in 24 and 25 patients from Groups 1 and 2 who had different forms of NUTI (catheter-associated NUTI, cystitis, pyelonephritis). On day 3 of treatment, most patients were noted to have a decreased systemic inflammatory response; lower C-reactive protein and procalcitonin levels being in the study group patients. The clinical efficiency of antibacterial therapy, which had been evaluated both immediately after treatment termination and during further control, did not substantially differ in the furamag/cefotaxime combination and control groups although there was an obvious tendency towards the more marked effect of combined therapy 7-14 days after treatment (11.8% efficiency differences; p>0.05). Analysis of bacteriological efficacy revealed its most pronounced and clinically significant differences between the groups: the cefotaxime/furamag combination led to higher pathogen eradication in all follow-up periods: after 3 days of treatment (82.6%) and following a complete therapy cycle (95.8%) versus the cefotaxime monotherapy group (43.5 and 70.8%, respectively; p<0.01). Microbiological results showed that the major NUTI pathogens (Escherichia coli, enterococci) were more susceptible to potassium furasidine (furamag) versus cefotaxime. The in vitro higher activity of furamag versus cefotaxime was attended by the significantly higher eradication of one of the two important NUTI pathogens - Enterococcus faecalis.


CONCLUSION
Furamag used in combination with the third-generation cephalosporin cefotaxime showed a higher bacteriological efficacy and a rapider reduction in the symptoms of a systemic inflammatory response in patients with NUTI. On the basis of the findings, the above combination of furamag and cefotaxime may be recommended as first-line therapy for NUTI when multidrug- resistant nosocomial infection pathogens are widely distributed now.