Overview Riluzole in Fragile X Syndrome Status: Completed Trial end date: 2010-07-01 Target enrollment: Participant gender: Summary The purpose of this study is to investigate the effectiveness and tolerability of riluzole in adults with Fragile X Syndrome. Phase: Phase 4 Details Lead Sponsor: Indiana UniversityCollaborator: Indiana Clinical and Translational Sciences InstituteTreatments: Riluzole