Meaning of AD 32:
A drug used to treat bladder carcinoma in situ that did not get better after treatment with bacillus Calmette-Guerin (BCG). AD 32 is a type of anthracycline antibiotic and a type of topoisomerase inhibitor. Also called valrubicin and Valstar.
It is used in patients who cannot have surgery right away to remove all or part of the bladder. AD 32 is given as a solution through a catheter that is placed into the bladder.
It blocks a certain enzyme needed for cell division and DNA repair, and it may kill cancer cells.