Please select the eligibility criteria that correspond to the clinical trial below.
Title: Guanfacine for the Treatment of Hyperactivity in Pervasive Developmental Disorder
Brief Summary: The purpose of this study is to determine whether guanfacine (trade name Intuniv) by itself or in combination with methylphenidate (also known as Ritalin) is helpful for treating hyperactivity in children and adolescents with a Pervasive Developmental Disorders (PDDs).


Options:
A: Inclusion Criteria:

* Participants meet Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5) criteria for ASD and Tenth Revision of the International Classification of Diseases and Related Health Problems (ICD-10) criteria for Autism diagnosis
* SRS-2 (T-score) greater than or equal to (\>/=) 66
* CGI-S \>/=4 (moderately ill)
* Participants have an Intelligence Quotient (IQ) \>/=70 (Wechsler Abbreviated State of Intelligence)
* A body mass index (BMI) between 18 to 40 kilograms per square meter (kg/m\^2) inclusive
* Language, hearing and vision compatible with the study measurements as judged by the investigator
* Lives with (or has substantial periods of contact with) a caregiver who is willing and able to attend visits when required, oversee the participant's compliance with protocol-specified procedures and study medication dosing, and report on the participant's status via completion of study assessments. Any period of absence must be covered by another caregiver. Non-cohabitating caregiver(s) must spend sufficient time with the participant so that, in the opinion of the investigator, the caregiver(s) can reliably assess participant's mental status, activities and behavior.

Exclusion Criteria:

* Alcohol and/or substance abuse/dependence during the last 12 months
* A significant risk for suicidal behavior, in the opinion of the investigator
* Systolic blood pressure greater than (\>) 140 or less than (\<) 90 millimeters of mercury (mm Hg), and diastolic blood pressure \>90 or less than (\<) 50 mm Hg
* Resting pulse rate \>90 or \<40 beats per minute
* Use of prohibited medications or herbal remedies within 2 weeks prior to randomization, or 5 half-lives (whichever is longer)
* Initiation of a new major change in psychological intervention within 4 weeks prior to randomization. Minor changes in ongoing treatment are not considered significant
* Participation in an investigational drug or device study within 60 days prior to randomization
B: Inclusion Criteria:

* Diagnosis of PDD (PDD-NOS, Asperger's Disorder, Autistic Disorder)
* Hyperactivity
* Between ages 5 years 0 months and 13 years 11 months.
* Weight \>/= 15 kg (33 lb)
* A mental age of at least 18 months

Exclusion Criteria:

* Prior failed treatment with an adequate trial of guanfacine in the last 2 years
* Concurrent treatment with another psychoactive medication
C: Inclusion Criteria:

* Participants: must meet the study definition for diagnosis of autistic disorder as determined by clinical diagnosis based upon DSM-IV criteria, the Autism Diagnostic Interview-Revised (ADI-R) and the Autism Diagnostic Observation Schedule (ADOS) performed at baseline 1. ADI-R will be conducted by trained study staff at Baseline 1 Visit. If the participant has had an ADI-R in the past 12 months, this will be accepted provided the person administering and scoring the test is site personnel validated for the study.
* Age 2 to less than 6 years, male and female.
* Parent/Legal Guardian/Caregiver must be able to understand , read and speak English
* Written Informed Consent.

Exclusion Criteria:

* Presence or history of neurological disorders, including seizure disorders (abnormal EEG without seizures will not be excluded), PKU, tuberous sclerosis, Rett syndrome, Fragile X syndrome, Down Syndrome and traumatic brain injury.
* Other medical or behavioral problems requiring medications which are centrally active.
* Clinical or laboratory evidence of renal or hepatic disease (SGPT, GGT \> 2 x normal value, and serum creatinine \> 1.5 x normal value).

Treatment with any medication known to alter the activity of the CYP3A4 enzyme including ketoconazole, itraconazole, grapefruit juice, erythromycin, clarithromycin, cimetidine, verapamil, diltiazem, rifampin, phenytoin, phenobarbital, or carbamazepine within the previous 2 months and for the duration of the study is prohibited.

* Use of centrally acting drugs during the 6 weeks prior or during the study. These drugs include but are not limited to neuroleptics, benzodiazepines, anticonvulsants and antidepressants. Shorter times may be considered depending on the half life of the drug.
* Prior treatment for periods longer than two weeks with buspirone or selective serotonin reuptake inhibitors. This includes herbal substances such as St John's Wort which have similar pharmacological actions.
* Known allergies to study medication.
* Unable to provide the required blood samples.
D: Inclusion Criteria:

* Children 5 yrs to 14 years 11 mos with clinical diagnosis of Autism, Asperger's Disorder, or PDDNOS based upon the ADI-R and clinical evaluation by DSM-IV criteria,
* Mental age equal to or greater than 24 months,
* ADHD symptoms based upon the CASI and clinical confirmed diagnosis,
* CGIS-S rating of 4 or grater for ADHD symptoms,
* A mean item score of \>1.5 on both the Parent and Teacher (non-parent caregiver) SNAP-IV 18 ADHD symptoms or the 9-symptom hyperactive-impulsive subscale (symptoms must be cross-situational),
* Reliable care provider available to bring subject to clinic visits and weekly sessions.

Exclusion Criteria:

* DSM-IV diagnosis of schizophrenia, schizoaffective disorder psychotic disorder NOS,bipolar disorder, or major depression (if accompanied by a family history of bipolar disorder) based upon evidence of suicidality, CASI, and clinical interview/history,
* Prior failed adequate trial of atomoxetine,
* Use of other psychotropic medications that produce CNS effects,
* Diagnosis of bipolar disorder, major depression, hypertension, cardiovascular disease, narrow angle glaucoma, other significant physical illness,
* Pregnancy or sexually active females (intercourse in the past 6 months, reported by either the subject or caregiver),
* Currently on effective medication treatment for ADHD,
* Prior involvement in Parent Management Training or other similar program,
* Currently on albuterol or taking beta blockers,
* Taking supplements or other complementary medical treatments where dose cannot be held at current level for duration of study

Answer: B