Overview Extension Study of Fesoterodine for Overactive Bladder Syndrome in Children. Status: Completed Trial end date: 2018-08-01 Target enrollment: Participant gender: Summary The purpose of this study is to evaluate the long term tolerability of Fesoterodine and its efficacy for overactive bladder syndrome in children. Phase: Phase 3 Details Lead Sponsor: Stéphane BolducCollaborator: PfizerTreatments: Fesoterodine