Pharmacology General 9e76e762 Sodium 2–mercapto ethane sulfonate is used as a protective agent in: A Radiotherapy B Cancer chemotherapy C Lithotripsy D Hepatic encephalopathy High-Yield Explanation Sodium-2-mercapto ethane sulfonic acid (mesna) is used to ameliorate hemorrhagic cystitis caused by cyclophosphamide and ifosfamide.