Double-blind, Placebo-controlled, Adaptive, Multicenter, Prospective, Randomized, Comparative, Parallel-group Study of the Efficacy and Safety of Neovasculgen (Plasmid Supercoiled Deoxyribonucleic Acid pCMV-VEGF165) in Painful Bladder Syndrome/Interstitial Cystitis (BPS/IC)
To evaluate the efficacy and safety of Neovasculgen in interstitial cystitis and the prevention of secondary bladder shrinkage with a decrease in its volume.
• Written informed consent prior to any study-related procedures.
• Women aged 18 to 65 years, inclusive.
• A confirmed diagnosis of painful bladder syndrome/interstitial cystitis, characterized by pelvic pain associated with filling or emptying the bladder, frequent urination day and night, with symptoms lasting at least 12 months, with the exclusion of a urinary tract infection or other disease that could cause such symptoms.
• Absence of Hunner's lesions of the bladder during cystoscopy with hydrobougienage of the bladder (2 minutes, 80 cm H2O).
• A glycated hemoglobin level within the normal range for the patient's age group.
• Ability to comply with all study requirements, at the discretion of the investigator, including regularly keeping a voiding diary, completing questionnaires, and attending all scheduled study visits.
• Women who are of childbearing potential must have negative pregnancy test results and must use reliable contraception throughout their participation in the study.