Please select the eligibility criteria that correspond to the clinical trial below.
Title: A Six-month, Open-label, Multi-center Study of the Safety and Efficacy of PRC-063 in Adults and Adolescents With ADHD
Brief Summary: The purpose of this six month, open-label study is to evaluate the long-term safety and efficacy of PRC-063 in adults and adolescents with ADHD.


Options:
A: Inclusion Criteria: Subjects must satisfy the following criteria to be enrolled in the study as an adolescent:

• Male or non-pregnant, non-nursing female at least 12 years of age and less than 18 years of age.

Subjects must satisfy the following criteria to be enrolled in the study as an adult:

• Male or non-pregnant, non-nursing female at least 18 years of age and meeting the local, legal definition of adult.

All subjects must also satisfy the following criteria to be enrolled in the study:

* Confirmation of ADHD diagnosis made at Visit 1 of Study 063-009 or 063-010 (inattentive, hyperactive/impulsive or combined-type, as defined by the Diagnostic and Statistical Manual of Mental Disorders, 5th Edition based on clinician assessment using multiple informants and a structured interview).
* Female subjects must be one of the following:
* Surgically sterile prior to screening
* Postmenopausal
* if of childbearing potential, abstinent or willing to use a reliable method of contraception, such as oral contraceptive, two barrier methods, a barrier method plus a spermicidal agent.
* Female subjects of Child-Bearing Potential (FOCP) must have a negative serum β-hCG pregnancy test, as assessed at Visit 6 of Study 063-009 or 063-010 (data will not be available at the time of entry).
* If the subject is an adult, mentally and physically competent to sign an informed consent document indicating that they understand the purpose of and procedures required for the study and are willing to participate in the study. If the subject is an adolescent, mentally and physically competent to sign an informed assent document, in the case of the subject, and an informed consent document, in the case of the parent/guardian, indicating that they understand the purpose of and procedures required for the study and are willing to participate in the study.
* Able and willing to comply with the study procedures for the entire length of the study.

Exclusion Criteria:

* • Having met any exclusion criteria for Study 063-009 or 063-010.

  * Having been diagnosed during Study 063-009 or 063-010 with strokes, epilepsy, migraine headaches (greater than 1 instance every two months), glaucoma, thyrotoxicosis, tachyarrhythmias or severe angina pectoris or have serious or unstable medical illness. Subjects with controlled or stable asthma or diabetes will be permitted.
  * Elevated blood pressure, defined as any values above 89 diastolic or 139 systolic, as assessed at Visit 6 of Study 063-009 or 063-010.
  * Clinically significant ECG abnormalities, as assessed at Visit 6 of Study 063-009 or 063-010 (data will not be available at the time of entry).
  * Clinically significant laboratory abnormalities, as assessed at Visit 6 of Study 063-009 or 063-010 (data will not be available at the time of entry).
  * Currently receiving guanethidine, pressor agents, MAO inhibitors, coumarin anticoagulants, anticonvulsants (e.g. phenobarbital, phenytoin, primidone), phenylbutazone, tricyclic antidepressants (e.g. imipramine, desipramine), selective serotonin reuptake inhibitors (SSRIs) or herbal remedies (unless on a stable dose for 4 weeks).
  * If the Investigator judges that continued treatment with PRC-063 is not in the subject's best interest.
  * Subjects who are currently considered a suicide risk by the investigator.
  * Having been diagnosed during Study 063-009 or 063-010 with schizophrenia, schizoaffective disorder, primary affective disorder, schizotypal personality, major depression, bipolar disorder, generalized anxiety, borderline personality disorder, antisocial personality or another unstable psychiatric condition requiring treatment.
  * Having been diagnosed during Study 063-009 or 063-010 with physiological dependence (excluding nicotine) on narcotic analgesics or other psychoactive drugs (including barbiturates, opiates, cocaine, cannabinoids, amphetamines and benzodiazepines).
  * Excessive consumption of alcohol occurring during Study 063-009 or 063-010 (consumes alcohol in quantities greater than 15 drinks per week on average; 1 drink is defined as 360 mL/12 oz. of beer, 120 mL/4 oz. of wine, or 30 mL/1 oz. of hard liquor).
  * Currently (or within 30 days before the planned start of treatment) receiving an investigational drug or using an experimental medical device, other than PRC-063.
  * Homeless.
B: Inclusion Criteria:

* Currently being treated for ADHD

Exclusion Criteria:

* Other psychiatric diagnoses
* Significant cognitive impairment
* Chronic medical illnesses
* Structural cardiac defects
* Significant abnormal lab tests
* Taking disallowed medications
* Positive drug test
C: Inclusion Criteria:

* Patient has completed study CR002479 (42603ATT3002), according to protocol
* Diagnosis of ADHD according to the Diagnostic and Statistical Manual of Mental Diseases, Fourth Edition (DSM-IV)1 and confirmed by the Conners' Adult ADHD Diagnostic Interview for DSM IV (CAADID)
* Healthy on the basis of physical examination, medical history
* Patient is able to comply with the study visit schedule and willing and able to complete the protocol-specified assessments
* Amendment (double-blind placebo-controlled period): written informed consent
* patient must have completed at least 52 weeks of open-label treatment and must have been on a stable daily dose of (PR) OROS methlyphenidate prior to inclusion to this phase

Exclusion Criteria:

* Patient is known to be a non-responder to methylphenidate, or patient has a child known to be a non-responder to methylphenidate
* Allergy or hypersensitivty to methlyphenidate
* Any clinically unstable psychiatric condition including but not limited to the following: acute mood disorder, bipolar disorder, acute obsessive-compulsive disorder (OCD), Anti-social personality disorder, borderline personality disorder
* Use of other anti-depressants (unless patient has been on a stable dosage during the 42603ATT3002 trial, in which case treatment may continue as long as dosage remains unchanged for the duration of the study) or mood stabilisers (e.g. anti-epileptics, lithium)
* Any medication likely to interfere with safe administration of methylphenidate, or any conditions that are contraindicated for use of methlyphenidate
D: Inclusion Criteria. Participants for the study must meet all of the following criteria:

1. Consent: The family must provide signature of informed consent by parents or legal guardians.
2. Age at time of Screening: 7 years to 11 years, inclusive
3. Gender: includes male and female children.
4. ADHD Diagnostic Status: ADHD patients must meet DSM-IV criteria for ADHD, Inattentive or Combined subtype. Normal controls must not meet DSM-IV criteria for ADHD, any subtype. Section D.4 below describes in detail the diagnostic process for arriving at diagnosis.
5. Cognitive Functioning: IQ of greater than 80 as estimated by Vocabulary and Block Design subtests of the Wechsler Intelligence Scale for Children, Fourth Edition (WISC-IV).
6. Learning Disability: All children will be administered the abbreviated WIAT including the Spelling, Reading, and Math subtests. Children must score above 80 on all three WIAT subtests.
7. School: Children must be enrolled in a school setting from which teacher ratings can be obtained.

Exclusion Criteria. Potential participants will be excluded if they meet any of the following criteria:

1. Understanding Level. The patient and parent cannot understand or follow instructions given in the study.
2. History of Psychiatric Medications: Children who have a history of taking any medication for psychological or psychiatric problems will be excluded from participation.
3. Exclusionary Psychiatric Conditions: Children whose primary diagnosis is something other than ADHD will be excluded from participation.
4. Developmental Disabilities. As a result of scores on the IQ screening, additional assessments, or the judgment of the study clinicians, patients will be excluded if they are deemed to be significantly developmentally delayed. This includes clinically significant delays in cognitive function or the presence of other Pervasive Developmental Disorders (PDD).
5. Organic Brain Injury: Children must not have a history of head trauma, neurological disorder, or any other organic disorder that could possibly affect brain function.

Answer: A