Muscle precursor cells constantly regenerate striated muscles, and include the quiescent satellite cells located beneath the basal lamina of skeletal myofibers, which are responsible for repair of the terminally differentiated striated muscle tissue. Transurethral implantation of autologous myoblasts may represent an improved alternative to synthetic bulking agents, with the unique ability to compensate for the deficient muscle fibers in the urethral sphincter. Clinical studies of cell therapy based treatment of sphincter insufficiency, using muscle derived stem cell transplantation was carried out in patients with stress incontinence revealed and confirmed the ability of cell therapy to improve the structure and contractile function of the sphincter. In this study autologous heterotopic myoblasts will be transurethrally injected in patients with bladder extrophy epispadias complex who remained incontinent after staged bladder reconstruction and bladder neck reconstruction. The aim of this study is to investigate the potential therapeutic effects of autologous myoblast injection for the treatment of children presenting with urinary incontinence after modern staged repair and bladder neck reconstruction of extrophy-epispadias complex as well as studying the safety, efficacy and durability of the procedure, and health related quality of life.
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Clinical Parameters
Timeframe: 12 Weeks