Please assess the completion status of the following clinical trial:

Trial Title: Different Schemes of Magnesium Sulfate for Preeclampsia

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: PREVENTION
- Time Perspective: None
- Masking: TRIPLE
- Phase: PHASE4
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Severe Preeclampsia (pure and superimposed)~Exclusion Criteria:~* Eclampsia before administration of the loading dose of MgSO4 ;~* Use of other medications or illicit drugs that may interfere with maternal hemodynamics;~* Contraindications to the use of magnesium sulfate: known hypersensitivity to the drug, oliguria with urine output below 25 ml per hour or anuria (urine output absent) and myasthenia gravis.~* Use of mechanical ventilation

- Gender: FEMALE
- Minimum Age: 14 Years
- Maximum Age: 50 Years
- Healthy Volunteers: f

Study Arms:
- Magnesium sulfate 50% - 1g/h (Type: ACTIVE_COMPARATOR): After loading dose of 6g of magnesium sulfate, patients will receive the maintenance dose of 1g/hour of intravenous magnesium sulfate, for 24 hours
- Magnesium sulfate 50% - 2g/h (Type: EXPERIMENTAL): After loading dose of 6g of magnesium sulfate, patients will receive the maintenance dose of 2g/hour of intravenous magnesium sulfate, for 24 hours

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