Please assess the completion status of the following clinical trial:

Trial Title: Airway Dimension Study in Children Undergoing MRI Sedated With Propofol and Dexmedetomidine

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: SUPPORTIVE_CARE
- Time Perspective: None
- Masking: SINGLE
- Phase: PHASE2
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Children undergoing MRI brain~* Age 2 - 5 yrs~* ASA I - II~Exclusion Criteria:~* OSA~* Pathology of upper airway~* Craniofacial anomalies~* Gastroesophageal reflux~* Increased intracranial pressure~* Body weight of 20% more than ideal~* Contraindication to the use of either drug~* Failure to maintain a patent airway during the study

- Gender: ALL
- Minimum Age: 2 Years
- Maximum Age: 5 Years
- Healthy Volunteers: f

Study Arms:
- dexmedetomidine (Type: ACTIVE_COMPARATOR): None
- propofol (Type: ACTIVE_COMPARATOR): None

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