Please assess the completion status of the following clinical trial:

Trial Title: Efficacy and Tolerability of PEG-only Laxative for Fecal Impaction and Chronic Constipation in Children

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: SINGLE
- Phase: PHASE4
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* out-patients children with diagnosis of functional constipation or have faecal impaction on medical history and physical examination~Exclusion Criteria:~* children with organic causes for defecation disorders, such as Hirschsprung disease, spina bifid, hypothyroidism, or other metabolic or renal abnormalities;~* Children receiving medication influencing gastrointestinal motility;~* Children with suspected gastrointestinal obstruction or stenosis

- Gender: ALL
- Minimum Age: 2 Years
- Maximum Age: 16 Years
- Healthy Volunteers: f

Study Arms:
- PEG-only (Type: EXPERIMENTAL): Polyethylene glycol 4000 only (PEG-only).
- PEG-EL (Type: ACTIVE_COMPARATOR): Polyethylene glycol 3350 with electrolytes (PEG-EL).

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