Please assess the completion status of the following clinical trial:

Trial Title: Ondansetron Versus Dexamethasone/Ondansetron to Treat Acute Nausea in the Emergency Department

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

Eligibility Criteria:
Inclusion Criteria:~* Chief Complaint of nausea or abdominal pain with nausea~* Inability to tolerate oral nausea medication~* Patients with a negative pregnancy test~Exclusion Criteria:~* Patients younger than 18 years of age~* Patient's chief complaint includes headache, chest pain, or dizziness~* Patients with whom there are contraindications to using the studied medicine (allergies, known adrenal disease)~* Blood sugar greater than 300~* Non-English speaking subjects

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

Study Arms:
- Ondansetron (Type: ACTIVE_COMPARATOR): Ondansetron (4 mg) followed by two 5 ml normal saline flush
- Ondansetron plus dexamethasone (Type: EXPERIMENTAL): Ondansetron (4 mg), followed by dexamethasone (4 mg), followed by a single 5 ml normal saline flush

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