Please assess the completion status of the following clinical trial:

Trial Title: Two Vitamin D Dosing Strategies in Children With Chronic Kidney Disease

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: QUADRUPLE
- Phase: PHASE1
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~1. Patient's parent/legal guardian must be willing and able to give written informed consent and the patient must be willing to give written informed assent if applicable~2. Estimated glomerular filtration rate \< 60 mL/min/1.73 m2 body surface area or recipient of a kidney transplant~3. 9-21 years old~4. Able to swallow pills~Exclusion Criteria:~1. Liver failure~2. Malabsorption~3. Current calcium level \>10.5 mg/dL~4. History of hypercalcemia (Ca \>11 mg/dL) during the preceding 6 months~5. Current treatment with an antiepileptic drug or other medications that may affect vitamin D metabolism (e.g., phenobarbital, phenytoin, rifampicin)~6. History of hypervitaminosis D~7. Completion of a course of high dose vitamin D within the preceding 2 months

- Gender: ALL
- Minimum Age: 9 Years
- Maximum Age: 21 Years
- Healthy Volunteers: f

Study Arms:
- 1000 IU of Vitamin D Daily (Type: ACTIVE_COMPARATOR): Participants randomized to take a 1000 IU capsule of Vitamin D every day for 6 months.
- 4000 IU of Vitamin D Daily (Type: EXPERIMENTAL): Participants randomized to take a 4000 IU capsule of Vitamin D capsule every day for 6 months.

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