Overview Study of Acamprosate in Fragile x Syndrome Status: Completed Trial end date: 2018-11-08 Target enrollment: Participant gender: Summary In this research study we want to understand the effectiveness of a drug treatment, acamprosate, for interfering symptoms (i.e., inattention/hyperactivity, social impairment) associated with Fragile X Syndrome (FXS). Phase: Phase 1 Details Lead Sponsor: Children's Hospital Medical Center, CincinnatiCollaborator: Rush University Medical CenterTreatments: Acamprosate