Share this article Share this article SALT LAKE CITY, May 25, 2021 /PRNewswire/ -- Recursion Pharmaceuticals, Inc. (Nasdaq : RXRX), a clinical-stage biotechnology company decoding biology by integrating technological innovations across biology, chemistry, automation, machine learning (ML), and engineering, today announced the company has initiated investigational new drug (IND)-enabling studies for REC-163964, a first-in-class, small molecule toxin inhibitor for possible prevention of recurrent Clostridium difficile (C. difficile) infections and potential prophylactic use in high-risk patients. REC-163964 is the first internally-discovered New Chemical Entity (NCE) development candidate identified by the Recursion Operating System and advanced to IND-enabling studies. This lead represents one of three structurally-differentiated candidates discovered by Recursion's ML-enabled Operating System for the potential treatment of C. difficile.