The first “poop pill”, called Vowst, will also contain live bacteria and has been approved for use in people ages 18 and older as a preventive treatment for recurrent infections with the bacteriumClostridioides difficile.
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reports: Antibiotics can disrupt the balance of bacteria that normally populate the gut, and this givesC. diffthe opportunity to proliferate. The rapidly replicating bacteria secrete toxins that can lead to diarrhea, abdominal pain, fever and colitis (inflammation of the colon) and, in some cases, organ failure and death.C. diffinfections are associated with about 15,000 to 30,000 deaths a year in the U.S., according to the FDA.
Those who recover fromC. diffhave a roughly 1 in 6 chance of developing the infection again within two to eight weeks of recovery, according to the Centers for Disease Control and Prevention
. The risk of these recurrent infections increases each time a person getsC. diff, in part because the antibiotics used to treat them further disrupt the gut microbiome, the community of microorganisms in the lower digestive tract.
So-called fecal microbiota products, made from healthy human gut bacteria, offer a new way to prevent recurrentC. diffby essentially replenishing the gut microbiome.And now, with the approval of Vowst, there’s a version of the treatment that can be taken orally, rather than being administered as a liquid treatment into a patient’s rectum.
“The availability of a fecal microbiota product that can be taken orally is a significant step forward in advancing patient care and accessibility for individuals who have experienced this disease that can be potentially life-threatening,” Dr. Peter Marks
, director of the FDA’s Center for Biologics Evaluation and Research, said in the agency’s statement.
The Vowst treatment regimen involves taking four capsules once a day for three days in a row; patients start taking the drug two to four days after finishing a course of antibiotics forC. diff. The donated feces used to make the pills is carefully screened for transmissible pathogens before being used in manufacturing, but taking Vowst still carries some risk of being exposed to pathogens, as well as to food allergens, the FDA cautioned.
In clinical trials, the most common side effects of Vowst were abdominal bloating, fatigue, constipation, chills and diarrhea; these side effects occurred at a greater frequency in the treated patients than in the placebo recipients.
In a comparison of about 90 people who received the pills and 90 who didn’t, those in the treated group had a 12.4% rate of recurrentC.diffinfection within eight weeks of recovering from an initial bout of the infection, whereas the untreated group had a 39.8% rate of recurrence.
