Please assess the completion status of the following clinical trial:

Trial Title: The Effect of Dexmedetomidine for Emergence Cough

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

Eligibility Criteria:
Inclusion Criteria:~* ASA physical status I or II undergoing endoscopic sinus surgery or septoplasty under general anesthesia~Exclusion Criteria:~* predicted difficult airway~* body mass index \> 35 kg/m2,~* recent upper respiratory infection~* asthma~* current smoker~* patients using angiotensin converting enzyme-inhibitors~* uncontrolled hypertension

- Gender: ALL
- Minimum Age: 19 Years
- Maximum Age: 65 Years
- Healthy Volunteers: f

Study Arms:
- Dexmedetomidine (Type: EXPERIMENTAL): Dexmedetomidine was infused before end of surgery and remifentanil was maintained at predetermined effect-site concentration during the emergence period
- Remifentanil (Type: ACTIVE_COMPARATOR): Normal saline was infused before end of surgery and remifentanil was maintained at predetermined effect-site concentration during the emergence period

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