• Seres Therapeutics Inc MCRB Stocks are up Thursday morning as the FDA approved serums and Nestle Health Science Vowst (Fecal Microbiota Spores, Live-brpk), an orally administered microbiota-based therapeutic to prevent the recurrence of C. difficile Infection (CDI) in adults after antibiotic treatment for recurrent CDI (rCDI).
  • VOWST is not indicated for the treatment of CDI.
  • Based on data from the US Centers for Disease Control and Prevention (CDC), the companies expect 156,000 episodes in the US by 2023.
  • In a pivotal phase 3 study, Vowst, previously called SER-109, helped 88% of patients clear infection and reduce recurrence after eight weeks, compared with 60% of patients receiving placebo.
  • In addition, six months after treatment, 79% of the VOWST group was recurrence-free compared to 53% in the placebo group.
  • In July 2021, Seres and Nestlé Health Science agreed to commercialize Vowst in the year United States and Canada together.
  • Seres will receive a US$125 million milestone payment from Nestlé Health Science related to FDA approval of Vowst.
  • After the commercialization of Vowst, each company is entitled to an equal share in commercial profits and losses.
  • Price promotion: MCRB shares are up 13.12% to $7.24 during the premarket session last check Thursday.


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