Please assess the completion status of the following clinical trial:

Trial Title: Effects of Dexmedetomidine on Oxygenation and Lung Mechanics in Morbidly Obese Patients Undergoing Bariatric Operations

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

Eligibility Criteria:
Inclusion Criteria:~- Morbid obese (body mass index \> 40) with documented restrictive lung disease scheduled to bariatric operation.~Exclusion Criteria:~* Heart failure~* ِِِِArrhythmia~* Heart block~* Severe liver or kidney impairment.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 65 Years
- Healthy Volunteers: f

Study Arms:
- Dexmedetomidine group (Type: EXPERIMENTAL): Patients will receive either, Dexmedetomidine (Precedex, Hospira, Lake forest, IL, USA) in a dose of (1ug/Kg LBW) bolus followed by 0.5ug/Kg continuous infusion for one hour
- Control group (Type: PLACEBO_COMPARATOR): Patients will receive normal saline

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