MISTABRON   6 X 3ML   AMPOULE   U.C.B.   S.A. PHARMA   BELGIUM Mesna ( INN ) (pronounced /ˈm ɛ znə/ ) is an adjuvant used in cancer chemotherapy involving cyclophosphamide and ifosfamide . It is marketed by Baxter as Uromitexan and Mesnex. MESNA is an acronym for 2-MercaptoEthane Sulfonate