About TLD-1433 TLD-1433 is a patented PDC with over 10 years of published peer reviewed preclinical research and is currently under investigation in a Phase II Non-Muscle Invasive Bladder Cancer (“NMIBC”) clinical study for Bacillus Calmette-Gurin (“BCG”)-Unresponsive patients at 5 Canadian Clinical Study Sites (“CSS”) and 7 US-based CSS.