Please assess the completion status of the following clinical trial:

Trial Title: Effects of Aprepitant/Dexamethasone Versus Mertazepine /Dexamethasone on Postoperative Nausea and Vomiting

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: PREVENTION
- Time Perspective: None
- Masking: DOUBLE
- Phase: PHASE4
- Number of Arms: 3.0

Eligibility Criteria:
Inclusion Criteria:~* ASA physical status I or II~* Body mass index (BMI) ≥ 35 kg/cm-2~Exclusion Criteria:~* Patients with gastrointestinal disorders,~* Patients with significant major organ disease,~* Patients received antidepressant drugs,~* Patients received an anti-emetic drug within 48 h before surgery,~* Patients on treatment with systemic glucocorticoids within 4 weeks before surgery.

- Gender: ALL
- Minimum Age: 25 Years
- Maximum Age: 55 Years
- Healthy Volunteers: f

Study Arms:
- Aprepitant/Dexamethasone Group (Type: ACTIVE_COMPARATOR): None
- Mertazepine /Dexamethasone Group (Type: ACTIVE_COMPARATOR): None
- Dexamethasone Group (Type: ACTIVE_COMPARATOR): None

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