Please assess the completion status of the following clinical trial:

Trial Title: The Effects of Dexmedetomidine and Propofol on Cerebral Blood Flow and Brain Oxygenation During Deep Brain Stimulation

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

Eligibility Criteria:
Inclusion Criteria:~* ASA I-III.~* Scheduled for DBS.~Exclusion Criteria:~* History of dystonia.~* Severe heart failure with ejection fraction less than 30%.~* History of obstructive sleep apnea.~* History of renal failure with creatinine level \> 2 mg/dl.~* Allergies to α-2 agonists and propofol.~* Current use of α-2 agonist medications such as clonidine.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 80 Years
- Healthy Volunteers: f

Study Arms:
- propofol (Type: ACTIVE_COMPARATOR): Subjects will be sedated with propofol.
- dexmedetomidine (Type: ACTIVE_COMPARATOR): Subjects will be sedated with dexmedetomidine.

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