Please assess the completion status of the following clinical trial:

Trial Title: Effect of Remifentanil on Hemodynamic Stability During Placement of a Mayfield Head Fixation Device for Craniotomy

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

Eligibility Criteria:
Inclusion Criteria:~* Adult non-pregnant patients~* undergoing general anesthesia for a craniotomy~* requiring a Mayfield head fixation device.~Exclusion Criteria:~* Patients under 18 years of age,~* non-English speaking,~* pregnancy,~* opioid tolerance,~* illegal drug use or alcohol abuse.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- Remifentanil (Type: EXPERIMENTAL): Intravenous bolus of 10 mL of remifentanil (0.7 mcg/kg based on ideal body weight) will be given ninety seconds before head pinning as well as an intravenous bolus of propofol (0.7 mg/kg).
- Normal Saline (Type: PLACEBO_COMPARATOR): Intravenous bolus of 10 mL normal saline from study syringe will be given ninety seconds before head pinning as well as an intravenous bolus of propofol (0.7 mg/kg).

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