Please assess the completion status of the following clinical trial:

Trial Title: Safety and Tolerability Study of SHP465 in Children Aged 4 to 12 Years Diagnosed With Attention-deficit/Hyperactivity Disorder (ADHD)

Study Design Characteristics:
- Allocation: None
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: PHASE3
- Number of Arms: 1.0

Eligibility Criteria:
Inclusion Criteria:~* Participant is male or female aged 4-12 years inclusive at the time of consent.~* Participant's parent or legally authorized representative (LAR) must provide signature of informed consent, and there must be documentation of assent (as applicable) by the participant.~* Participant must meet Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5) criteria for a primary diagnosis of ADHD (any subtype).~* Participant who is a female and of child-bearing potential must not be pregnant and agree to comply with any applicable contraceptive requirements..~* Participant has an ADHD-RS-5 Child, Home Version Total Score of greater than or equal to (\>=) 28 and Clinical Global Impression - Severity of Illness (CGI-S) score \>=4 at baseline (Visit 2). Participant is currently not on ADHD therapy, or is not completely satisfied with their current ADHD therapy.~Exclusion Criteria:~* Participant is required or anticipated to take medications that have central nervous system effects or affect performance. Stable use of bronchodilator inhalers is not exclusionary.~* Participant has a concurrent chronic or acute illness, disability, or other condition that might confound the results of safety assessments conducted in the study or that might increase risk to the participant. - Participant has a documented allergy, hypersensitivity, or intolerance to amphetamine or to any excipients in the investigational product.~* Participant has failed to fully respond, based on investigator judgment, to an adequate course of amphetamine therapy.~* Participant has a known family history of sudden cardiac death or ventricular arrhythmia.~* Participant has a blood pressure measurement \>=95th percentile for age, sex, and height at screening (Visit 1) and/or baseline (Visit 2).~* Participant has a height less than or equal to (\<=) 5th percentile for age and sex at screening (Visit 1) or baseline (Visit 2).~* Participant has a weight \<=5th percentile for age and sex at screening (Visit 1) or baseline (Visit 2).~* Participant has a known history of symptomatic cardiovascular disease, structural cardiac abnormality, cardiomyopathy, serious heart rhythm abnormalities, or other serious cardiac conditions placing them at increased vulnerability to the sympathomimetic effects of a stimulant drug.~* Participant has a history of seizures (other than infantile febrile seizures).~* Participant is taking any medication that is excluded per the protocol.~* Participant had any clinically significant ECG or clinical laboratory abnormalities at the screening (Visit 1) or baseline visit (Visit 2).~* Participant has current abnormal thyroid function, defined as abnormal thyroid-stimulating hormone and thyroxine at the screening or baseline visit. Treatment with a stable dose of thyroid medication for at least 3 months is permitted.~* Participant is currently considered a suicide risk in the opinion of the investigator, has previously made a suicide attempt, or has a prior history of or currently demonstrating suicidal ideation.

- Gender: ALL
- Minimum Age: 4 Years
- Maximum Age: 12 Years
- Healthy Volunteers: f

Study Arms:
- SHP465 (Type: EXPERIMENTAL): Group A participants who have been rolled-over from antecedent SHP465 studies and Group B participants who will be newly enrolled into the study will receive SHP465 capsule 6.25 mg orally once daily for 360 days.

Based on this trial design, predict the completion outcome and termination type (if applicable).

Answer: outcome: terminate
termination_type: lack of efficacy