Arsenic Trioxide

**Definition:** An inorganic compound with the chemical formula As2O3 that is used for the treatment of ACUTE PROMYELOCYTIC LEUKEMIA in patients who have relapsed from, or are resistant to, conventional drug therapy.

**Tree numbers:** - D01.075.038 - D01.650.550.125

**Synonyms:** - Arsenic Oxide (As2O3) - Arsenic(III) Oxide - Arsenous Anhydride - Diarsenic Trioxide - As2O3