1. BCG-unresponsive nonmuscle invasive bladder cancer: developing drugs and biologics for treatment Publication: Silver Spring, MD : Center for Drug Evaluation and Research, February 2018 Subject(s): Clinical Trials as Topic -- standardsDrug Evaluation -- standardsUrinary Bladder Neoplasms -- drug therapyBiological Products -- therapeutic useChemistry, PharmaceuticalMycobacterium bovisResearch DesignHumansUnited StatesUnited States. Department of Health and Human Services.United States. Food and Drug Administration.