Seres shares slide after SER-109's failure in C Difficile trial
Shares in US-based microbiome therapeutics platform company Seres Therapeutics (Nasdaq: MCRB) dropped by a massive 76% on Friday after the failure of its Phase II trial of the Clostridium difficile infection (CDI) treatment SER-109.
The study’s primary endpoint of reducing the relative risk of CDI recurrence at up to eight weeks was not achieved in results which shocked Seres and its boss Roger Pomerantz.
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