US Patent 12059428 Methods of treating tumor metastasis

The present invention provides methods for treating or suppressing tumor metastasis at a site distinct from the bladder in an individual having a urothelial carcinoma of lower tract, comprising locally delivering to the bladder an effective amount of a chemotherapeutic agent (such as gemcitabine), wherein the chemotherapeutic agent is delivered continuously to the bladder for a sustained period of time (such as at least 24 hours).