Please select the eligibility criteria that correspond to the clinical trial below.
Title: A Double-blind, Placebo-controlled Study, Followed by an Open-label Extension Study Evaluating the Efficacy and Safety of Risperidone (R064766) in Children and Adolescents With Irritability Associated With Autistic Disorder
Brief Summary: The purpose of this study is to evaluate the efficacy of risperidone compared with placebo in children and adolescents with irritability associated with autistic disorder.


Options:
A: Inclusion Criteria:

* Diagnosis of autism

Exclusion Criteria:

* Diagnosis of Asperger Syndrome, Rett Syndrome, Childhood Disintegrative Disorder, or Pervasive Development Disorder-Not Otherwise Specified
* Informed that treatment with a selective serotonin reuptake inhibitor (SSRI) is medically inadvisable
* Need for ongoing psychotropic medication (except for diphenhydramine, clonidine, or melatonin for sleep)
* Recent use of stimulants within 5 days prior to enrollment
* Ongoing need for or recent use of most psychotropic medications within 14 days of enrollment
* Recent initiation of specialized educational, behavioral, or diet intervention for autism in the month prior to enrollment
B: Inclusion Criteria

* Autism based on DSM-IV criteria
* IQ \> 35
* Medically fit for the study in the judgment of the study officials

Exclusion Criteria

* Prior administration of secretin
* Acute or chronic pancreatitis
* Use of anticholinergics within 72 hours of study entry or anticipated need for anticholinergics during study
* Allergies to pork products
* Use of investigational drug within 1 month of study entry
* Change in any medication or other therapeutic modality being used to treat any neurodevelopmental or gastrointestinal symptoms of the underlying autism disorder within 1 month of study entry
* Any medical condition which, in the judgment of the investigator, would make the patient unable to safely participate in the study or comply with all study procedures
* Any medical diagnosis which could account for autistic spectrum disorder (i.e., Rett syndrome, Fragile X, tuberous sclerosis, disintegrative disorder, epilepsy, Landau Kleffner, other mental retardation syndromes, or history of severe motor delays or current sensory or motor impairment such as cerebral palsy)
* Hearing or visual impairments
* Use of psychotropic medications (except for occasional symptomatic use for sleep, etc.) within 6 months of study entry
C: Inclusion Criteria:

* Diagnostic for autistic disorder
* A Clinical Global Impression - Severity (CGI-S) score of =\>4 and an Aberrant Behavior Checklist - Japanese Version (ABC-J) Irritability Subscale score of =\>18
* Patients with mental age of \>18 months as measured by appropriate developmental or mental scales
* Patients who have an appropriate caregiver, eg, parent or study-site personnel, who is able to observe the patient's condition, provide information, and evaluate the patient's response appropriately

Exclusion Criteria:

* Patients with previous or current psychotic disorder (eg, schizophrenia, bipolar disorder, or other psychiatric disorders) or with pervasive developmental disorder not otherwise specified, Asperger's disorder, Rett's disorder, pediatric destructive behavior disorder, or substance dependence
* Patients with a clinically significant endocrine, metabolic, cardiac, hepatic, renal, or pulmonary disorder, or hypertension
* Weight of \<15 kg at the time of screening and baseline
* Patients with QTc\>450 msec in the standard 12-lead electrocardiogram (ECG) at the time of screening
* Patients with known hypersensitivity to risperidone or paliperidone
D: Inclusion Criteria:

* Autistic Disorder, Asperger's Disorder, or Pervasive Developmental Disorder not otherwise specified
* Weight \> 30 lbs
* IQ \>= 35 or mental age of at least 18 months

Exclusion Criteria:

* Psychotic Disorder
* History of intolerance or nonresponse to risperidone
* Pregnancy
* History of neuroleptic malignant syndrome

Answer: C