Intranasal Oxytocin for the Treatment of Children and Adolescents With ASD (OXY)

Inclusion Criteria: 1. Male or female outpatients 10-17 years of age inclusive. 2. Meet Diagnostic and Statistical Manual of Mental Disorders, 4th Edition, Text Revision criteria for Autistic Disorder or Asperger's Disorder as established by a clinician and supported by the Autism Diagnostic Observation Schedule and the Autism Diagnostic Interview - Revised. 3. Have a Clinician's Global Impression-Severity score ≥ 4 (moderately ill) at Baseline. 4. Verbal Intelligent Quotient \>/= 70. 5. If already receiving stable pharmacological and or non-pharmacologic educational, behavioral, and/or dietary interventions, have continuous participation during the preceding 3 months prior to Screening and will not electively initiate new or modify ongoing interventions for the duration of the study. 6. Have normal physical examination and laboratory test results at Screening. If abnormal, the finding(s) must be deemed clinically insignificant by the Investigator. 7. The participant and caregiver must be able to speak and understand English sufficiently to allow for the completion of all study assessments. Exclusion Criteria: 1. Patients born prior to 35 weeks gestational age. 2. Patients with any primary psychiatric diagnosis other than autism at Screening. 3. Patients with current neurological disease, including, but not limited to, epilepsy/seizure disorder (except simple febrile seizures), movement disorder, tuberous sclerosis, fragile X, and any other known genetic syndromes, or known abnormal MRI/structural lesion of the brain. 4. Pregnant female patients, sexually active female patients on hormonal birth control and sexually active females who do not use two types of non-hormonal birth control 5. Patients with a medical condition that might interfere with the conduct of the study, confound interpretation of the study results, or endanger their own well-being. Patients with evidence or history of malignancy or any significant hematological, endocrine, cardiovascular (including any rhythm disorder), respiratory, renal, hepatic, or gastrointestinal disease. 6. Patients who are sensitive to Syntocinon or any components of its formulation 7. Patients with one or more of the following: HIV, Hepatitis B virus, Hepatitis C virus, hemophilia (bleeding problems, recent nose and brain injuries), abnormal blood pressure (hypotension or hypertension), drug abuse, immunity disorder or severe depression. 8. Patients unable to tolerate venipuncture procedures for blood sampling.