Clinical Research Directory

Inclusion Criteria: * Adult males aged 18 to 45 years * Diagnosis of Fragile X as confirmed with genetic testing * Patient must have caregiver * Must be in good health with no significant medical history * Clinical laboratory values within normal range or \< 1.2 times ULN * Contraceptive use by men or women consistent with local regulations * Able and willing to provide written informed consent * Stable dosing of psychotropic drugs for at least 4 weeks Exclusion Criteria: * Any physical or psychological condition that prohibits study completion * Uncontrolled seizures or history of epilepsy with a seizure in the past 6 months. * Auditory or visual impairments that can not be corrected * History of suicidal behavior or suicidal ideation * Screening vital signs that are abnormal per protocol specification * ECG that are clinically significant abnormal * History of substance abuse or dependence within 6 months * Other investigational products within 30 days