Please assess the completion status of the following clinical trial:

Trial Title: Comparison of Outcomes During MRI Sedation With Midazolam-dexmedetomidine Versus Ketamine-dexmedetomidine

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

Eligibility Criteria:
Inclusion Criteria:~1. Inpatient at Kosair Children's Hospital.~2. Order placed by treating team for MRI of the brain with sedation.~3. Age less than or equal to 18 years.~4. Plan to sedate with dexmedetomidine, regardless of study participation.~Exclusion Criteria:~1. Previous adverse reaction to dexmedetomidine or clonidine~2. Current use of clonidine as a routine medication~3. Concurrent use of a heart-rate decreasing medication (digoxin, propranolol)~4. Contraindication to ketamine use~   * Intracranial hypertension or traumatic brain injury~  * Intraocular hypertension of eye trauma~  * Pulmonary hypertension requiring medical management~5. Planned additional procedure during the sedation encounter (non-brain MRI, lumbar puncture, EEG etc)

- Gender: ALL
- Minimum Age: None
- Maximum Age: 18 Years
- Healthy Volunteers: f

Study Arms:
- Dexmedetomidine and Ketamine (Type: EXPERIMENTAL): Subjects will already be getting Dexmedetomidine and Ketamine for their routine care.
- Dexmedetomidine and Midazolam (Type: ACTIVE_COMPARATOR): Subjects will already be getting Dexmedetomidine and Midazolam for their routine care.

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