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Clostridium difficile Infection (CDI)

CDI is one of the top three most urgent antibiotic-resistant bacterial threats in the United States, according to the Centers for Disease Control. It is the leading cause of hospital-acquired infection in the United States and is responsible for the deaths of approximately 29,000 Americans each year.

The current standard of care for CDI is to treat with antibiotics. While antibiotic treatment may resolve the acute infection, it can worsen dysbiosis in individuals, potentially making patients more susceptible to a recurrence of CDI. Recurrent CDI patients receive multiple rounds of antibiotics that can worsen dysbiosis and thus make it more likely that they will relapse.

Seres Therapeutics’ Phase 3 development candidate, SER-109, is an investigational oral microbiome therapeutic for the prevention of recurrent Clostridium difficile infection in adults with multiply recurrent CDI. The FDA has granted SER-109 both Breakthrough Therapy and Orphan Drug designations.

SER-109 is an orally administered capsule that may repair the underlying cause of recurrent CDI—dysbiosis, which is a disrupted state of the microbiome. SER-109 was developed using computational design insights suggesting that a complex spore ecology includes keystone organisms that could address the underlying dysbiosis and return the microbiome to a healthy state. SER-109 is an ecology of bacterial spores enriched and purified from healthy, screened human donors.

Take charge of your C. difficile with SER-109 for recurrent infections

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Dysbiosis and Clostridium difficile infection

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