The effectiveness has to be proven by means of scientific publications. By activating the links below, you will find ‘comprehensible’ results of a few papers published.
The Lancet Oncology, Sep. 2011, Di Stasi et al, Electromotive instillation of mitomycin immediately before transurethral resection for patients with primary urothelial nonmuscle invasive bladder cancer: a randomised controlled trial. 7 year follow-up, 352 patients
The Lancet Oncology, 2006, Di Stasi et al, Sequential BCG and electromotive mitomycin versus BCG alone for high-risk superficial bladder cancer; a randomised controlled trial. 7-8 year follow-up, 210 patients