Please assess the completion status of the following clinical trial:

Trial Title: Pharmacokinetics, Efficacy and Safety of Abatacept Administered Subcutaneously (SC) in Children and Adolescents With Active Polyarticular Juvenile Idiopathic Arthritis (pJIA) and Inadequate Response (IR) to Biologic or Non Biologic Disease Modifying Anti-rheumatic Drugs (DMARDs)

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:~* JIA subjects (male or female), ages 2-17 years with active disease who had an insufficient therapeutic response or intolerance to at least one non biologic DMARD or Tumor Necrosis Factor (TNFα) antagonists for at least 3 months prior to screening~* Subjects with TNFα inadequate response (or prior biologic) will be restricted to 30% of the population~* Subjects must have a history of at least 5 joints with active disease and must have currently active articular disease with ≥2 active joints and ≥2 joints with limitation of motion.~Exclusion Criteria:~* Subjects with other rheumatic diseases or major chronic inflammatory/immunologic diseases, active uveitis, systemic JIA with active systemic features (within a period of 6 months prior to enrollment), persistent Oligoarthritis JIA, or failed 3 or more TNFα antagonists or other biological DMARDs will be excluded.~* Active systemic disease: (ie, extra-articular features of systemic JIA including fever, rash, organomegaly) within a period of 6 months prior to randomization.~* Subjects who have failed more than two TNFα antagonists or other biologic DMARDs

- Gender: ALL
- Minimum Age: 2 Years
- Maximum Age: 17 Years
- Healthy Volunteers: f

Study Arms:
- Short and Long Terms: Orencia (Type: EXPERIMENTAL): Short Term: Orencia 50 mg/mL, 87.5 mg/mL, 125 mg/mL pre-filled syringes subcutaneously (0.4 mL/0.7 mL/1.0 mL) weekly for 4 months~Long term: Orencia 50 mg/mL, 87.5 mg/mL, 125 mg/mL pre-filled syringes subcutaneously (0.4 mL/0.7 mL/1.0 mL) weekly for 20 months

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