What is "azacitidine"

n. A cytidine analogue used in the treatment of myelodysplastic syndrome.

Azacitidine ( INN; trade name Vidaza) is a chemical analog of cytidine, a nucleoside in DNA and RNA. Azacitidine and its deoxy derivative, decitabine (also known as 5-aza-2′deoxycytidine), are used in the treatment of myelodysplastic syndrome. Both drugs were first synthesized in Czechoslovakia as potential chemotherapeutic agents for cancer.