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NCI Dictionary of Cancer Terms


tiacumicin B  listen  (ty-a-KYOO-my-sin ...)

  A substance being studied in the treatment of diarrhea caused by infection with Clostridium difficile (a type of bacteria that can grow without oxygen) in cancer patients. Tiacumicin B is a type of antibiotic. Also called OPT-80 and PAR-101.