Please assess the completion status of the following clinical trial:

Trial Title: Dexamethasone for Paediatric Adeno-tonsillectomy - A Dose-finding Study

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: PREVENTION
- Time Perspective: None
- Masking: QUADRUPLE
- Phase: PHASE4
- Number of Arms: 4.0

Eligibility Criteria:
Inclusion criteria:~* Elective tonsillectomy with or without adenoidectomy with or without eartubes~Exclusion criteria:~* ASA \> II~* Allergie to Dexamethasone~* Recent therapy with steroids or immunotherapy~* Mental retardation~* Children experiencing nausea or vomiting or have taken antiemetic medication within 24 hours before surgery~* Additional surgery~* Enrolement in another investigational study~* Chronic infection or diabetes~* Recent vaccination (less than 1 month prior to surgery)~* Recent varicella infection (less than 1 month prior to surgery)

- Gender: ALL
- Minimum Age: 3 Years
- Maximum Age: 16 Years
- Healthy Volunteers: t

Study Arms:
- 1 (Type: ACTIVE_COMPARATOR): Intravenous dexamethasone 0.05 mg per kg bodyweight
- 2 (Type: ACTIVE_COMPARATOR): Intravenous dexamethasone 0.15 mg per kg bodyweight
- 3 (Type: ACTIVE_COMPARATOR): Intravenous dexamethasone 0.5 mg per kg bodyweight
- 4 (Type: PLACEBO_COMPARATOR): Intravenous saline

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