Please assess the completion status of the following clinical trial:

Trial Title: The Effects of Different Doses of Dexmedetomidine on Propofol Requirement for Loss of Consciousness Undergoing Bispectral Index: a Double-blinded, Placebo-controlled Trial

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: PREVENTION
- Time Perspective: None
- Masking: TRIPLE
- Phase: None
- Number of Arms: 3.0

Eligibility Criteria:
Inclusion Criteria:~* ASA physical status I-II~* Aged 18-65 years~* Body Mass Index 18.0～24.5 kg/m2~* Without hearing impairment~Exclusion Criteria:~* Bradycardia~* Atrioventricular block~* Neurologic disorder and recent use of psychoactive medication~* Allergic to the drugs

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

Study Arms:
- Group control (Type: PLACEBO_COMPARATOR): 24 eligible patients are received equal volumes of saline intravenously for 10 minutes
- Group dexmedetomidine 0.5 µg/kg (Type: ACTIVE_COMPARATOR): 24 eligible patients are received dexmedetomidine 0.5 µg/kg intravenously for 10 minutes
- Group dexmedetomidine 1.0 µg/kg (Type: ACTIVE_COMPARATOR): 25 eligible patients are received dexmedetomidine 1.0 µg/kg intravenously for 10 minutes

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