Please assess the completion status of the following clinical trial:

Trial Title: Intrathecal Magnesium for Same-day-surgery

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: PREVENTION
- Time Perspective: None
- Masking: TRIPLE
- Phase: PHASE3
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Same day surgery patients~* Operated in lithotomy or arthroscopy position or obese patients~Exclusion Criteria:~* American Society of Anesthesia 3 or 4 patients~* Younger than 18 or elder than 80 years-old~* Active lumbar pain~* Any short of chronic neurologic disease~* Any short of myopathy~* Pregnant women~* Previous history of allergic or toxic reaction to lidocaine, magnesium or fentanyl

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

Study Arms:
- Intrathecal magnesium (Type: EXPERIMENTAL): Intrathecal magnesium sulfate 15% 0,5 mL (75 mg) is added to lidocaine 5% 1 mL (50 mg)as anesthetic adjuvant
- Intrathecal fentanyl (Type: ACTIVE_COMPARATOR): Intrathecal fentanyl 0.5 mL (25 micrograms)is added to lidocaine 5% 1 ML (50 mg) as anesthetic adjuvant

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