Please assess the completion status of the following clinical trial:

Trial Title: A Comparison of Remifentanil and Dexmedetomidine for Craniotomy Perioperative Hemodynamics and Postoperative Pain

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

Eligibility Criteria:
Inclusion Criteria:~Patients who undergo general anesthesia for elective surgical excision of a brain tumor with following specifications:~* Age: Older than 18~* Primary and redo cases will be included~* Duration of surgery not exceeding 6 hrs.~Exclusion Criteria:~* Patient refusal~* Emergency craniotomy~* Morbid obesity~* Uncontrolled hypertension - DBP more than 110~* Cardiac conduction defects~* Patients with chronic pain.

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

Study Arms:
- Remifentanil (Type: ACTIVE_COMPARATOR): Remifentanil 0.08-0.15MCG/KG/MIN INFUSION THROUGHOUT PROCEDURE BASED ON HEMODYNAMICS
- Dexmedetomidine (Type: ACTIVE_COMPARATOR): a loading dose of dexmedetomidine was given at 0.5 to 1 micrograms/kg ideal body weight over 15 minutes, followed by an infusion at 0.2 to 0.7 micrograms/kg/hour.

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