Adjuvants Immunologic/administration & dosage Administration Intravesical BCG Vaccine/*adverse effects Chondroitin Sulfates/*administration & dosage Cystitis/chemically induced/pathology/*prevention & control Humans Hyaluronic Acid/*administration & dosage Immunotherapy/*adverse effects Randomized Controlled Trials as Topic Urinary Bladder Neoplasms/pathology/*therapy