The Annals of pharmacotherapy · 1998
Single-dose treatment of acute cystitis with fosfomycin tromethamine.
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Stein G E
Аннотация
OBJECTIVE: To review the clinical pharmacology of fosfomycin tromethamine, a new antimicrobial agent for the treatment of uncomplicated lower urinary tract infections (UTIs).
DATA SOURCE: Publications in English on fosfomycin, fosfomycin tromethamine, and fosfomycin trometamol (MEDLINE, 1970-1997), as well as unpublished studies submitted to the Food and Drug Administration (FDA), were reviewed.
STUDY SELECTION: Comparative, randomized, controlled studies were used to analyze the efficacy and safety of fosfomycin tromethamine.
DATA SYNTHESIS: Fosfomycin tromethamine is an oral antimicrobial indicated for the treatment of uncomplicated lower UTIs. This agent is active in the urine against common uropathogens that are associated with cystitis in women, including organisms resistant to other antibiotics. A single dose of fosfomycin tromethamine is well absorbed and produces therapeutic concentrations in the urine for 2-4 days. Comparative clinical trials suggest that a single dose of fosfomycin tromethamine 3.0 g is as clinically effective as 7- to 10-day treatment regimens of standard agents used to treat UTIs, such as nitrofurantoin, norfloxacin, and trimethoprim/sulfamethoxazole. Fosfomycin tromethamine is well tolerated and appears safe to use during pregnancy.
CONCLUSIONS: Fosfomycin tromethamine is the only antimicrobial to be approved by the FDA for single-dose therapy in women with acute cystitis. It is as effective and safe as multidose comparators and appears safe to use during pregnancy. The acquisition cost of this new drug will need to be weighed against the improved compliance and convenience associated with its use in the treatment of uncomplicated UTIs.
DATA SOURCE: Publications in English on fosfomycin, fosfomycin tromethamine, and fosfomycin trometamol (MEDLINE, 1970-1997), as well as unpublished studies submitted to the Food and Drug Administration (FDA), were reviewed.
STUDY SELECTION: Comparative, randomized, controlled studies were used to analyze the efficacy and safety of fosfomycin tromethamine.
DATA SYNTHESIS: Fosfomycin tromethamine is an oral antimicrobial indicated for the treatment of uncomplicated lower UTIs. This agent is active in the urine against common uropathogens that are associated with cystitis in women, including organisms resistant to other antibiotics. A single dose of fosfomycin tromethamine is well absorbed and produces therapeutic concentrations in the urine for 2-4 days. Comparative clinical trials suggest that a single dose of fosfomycin tromethamine 3.0 g is as clinically effective as 7- to 10-day treatment regimens of standard agents used to treat UTIs, such as nitrofurantoin, norfloxacin, and trimethoprim/sulfamethoxazole. Fosfomycin tromethamine is well tolerated and appears safe to use during pregnancy.
CONCLUSIONS: Fosfomycin tromethamine is the only antimicrobial to be approved by the FDA for single-dose therapy in women with acute cystitis. It is as effective and safe as multidose comparators and appears safe to use during pregnancy. The acquisition cost of this new drug will need to be weighed against the improved compliance and convenience associated with its use in the treatment of uncomplicated UTIs.