Please assess the completion status of the following clinical trial:

Trial Title: Effects of Dexmedetomidine on Respiratory Mechanics and Oxygenation During One Lung Ventilation With Chronic Obstructive Lung Disease

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

Eligibility Criteria:
Inclusion Criteria:~1. Above 40 years of age~2. American Society of Anesthesiologists (ASA) Physical Status I, II, III.~3. COPD diagnosed , criteria ( on preop. PFT : FEV1 \< 80%, FEV1 / FVC \< 70% after bronchodilator)~4. thoracic surgical procedure~Exclusion Criteria:~1. severe functional liver or kidney disease~2. diagnosed HF ( NYHA class \>3)~3. arrhythmia or received treatment with antiarrythmic drug .~4. exceed BMI \> 30 kg/ m2~5. bradycardia (HR \<50 bpm)

- Gender: ALL
- Minimum Age: 40 Years
- Maximum Age: 80 Years
- Healthy Volunteers: t

Study Arms:
- Control group (Type: PLACEBO_COMPARATOR): saline solution
- dexmedetomidine group (Type: ACTIVE_COMPARATOR): dexmedetomidine

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