Please assess the completion status of the following clinical trial:

Trial Title: Correlation of Measured and Calculated Serum Osmolality During Hyperosmolar Drugs Infusion in Patients After Craniotomy

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

Eligibility Criteria:
Inclusion Criteria:~* adult patients after elective craniotomy, requiring hyperosmolar agents for prevention or treatment of brain edema~Exclusion Criteria:~* age younger than 18 yr or older than 65 yr~* history of diabetes~* unstable hemodynamic condition~* presence of renal failure

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 65 Years
- Healthy Volunteers: f

Study Arms:
- Mannitol (Type: EXPERIMENTAL): 20% mannitol solution, 125 ml, IV infusion in 15 min
- Hypertonic saline (Type: EXPERIMENTAL): 3.1% sodium chloride solution, 125 ml, IV infusion in 15 min

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