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The Food and Drug Administration approved the first therapy using bacteria from stool samples to treat a bowel disorder on Wednesday, paving the way for several similar treatments in development.

The drug, called Rebyota, is given as a one-dose treatment for Clostridium difficile infections, commonly known as C. diff., in which the toxin-producing bacteria disrupts the normal balance in a person’s digestive system. Rebyota is designed to restore balance by introducing good bacteria taken from donor stool samples. 


“We are delighted that FDA has approved the first fecal microbiome restoration therapy for recurrent C. diff. This is an enormous step forward for the nearly 200,000 people who battle rCDI each year,” ​​said Christian John Lillis, the executive director of the C. diff advocacy organization the Peggy Lillis Foundation. 

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