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Clostridium difficile Infections: Diagnosis, Treatment, and Prevention

Slide: 15 of 33

Introduction: Current State of the Research on Antibiotic Therapy for CDI

FDA-approved antibiotics for the treatment of CDI include oral vancomycin and fidaxomicin. However, concerns about antibiotic overuse, increasing pathogen resistance, and cost have led to the use of other antibiotics such as metronidazole to treat mild-to-moderate CDI. Metronidazole and vancomycin are the two most commonly used treatments, but they are ineffective in 8 to 36 percent of patients with primary CDIs, and there are no antibiotics that kill C. difficile spores. Also, relapse or recurrence occurs in 20 to 25 percent of patients. For these reasons, there is interest in a comprehensive review of the comparative effectiveness of current antibiotic treatments for CDI and the use of nonstandard interventions for multiple recurrences.