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Dictionary of Cancer Terms

View in Spanish: Trióxido de arsénico

Arsenic trioxide (AR-seh-nik try-OK-side)
A drug used to treat acute promyelocytic leukemia (APL) that has not gotten better or that has come back after treatment with other anticancer drugs. It is also being studied in the treatment of other types of cancer. Also called Trisenox.

Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.