Wednesday, July 23, 2014

Advances in C. difficile Infection Research



Clostridium difficile has been on the rise for the past 10 years, and has been known to reoccur in 20% of treated patients. Recently there has been 6 discoveries in research for this infection.
 
1. Immunocomprimised patients successfully rid the infection with a fecal microbiota transplant. One of our classmates did a graduate project on these types of transplants, and the many benefits that arise from them.
 
2. Severity and outcomes of these infections have improved in US urban population. This may be due in part to clinicians following a more appropriate workup for therapy.
 
3. Functional changes and microbial structure changes occurred after a fecal microbiota transplant. This should be expected since you are changing microbial populations in the gut environment.
 
4. Utilizing probiotic drinks and withdrawing antibiotics may also resolve C. difficile infections. In some instances it has been equally effective as a fecal transplant. Antibiotic regimens should be slowly withdrawn while implement daily consumption of a probiotic beverage. This can be an easy fix in non immunocompromised patients.
 
5. Tolevamer has been found to be inferior to current C. difficile treatments. Tolevamer is a non-antibiotic, toxin - binding agent that has been tested to treat C. difficile infections. It may be used as an adjunctive treatment in the future, but for the time being it does not successfully treat the infection.
 
6. Although severity and outcomes have improved in the US, C. difficile infections have increased in Europe since 2008. Numbers have risen from 4.12 to 7.92 cases per 10,000 patient bed days. Researching these infections and possible treatments can hopefully change this trend. 

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