Please assess the completion status of the following clinical trial:

Trial Title: Aprepitant With Dexamethasone Versus Ondansetron With Dexamethasone for PONV Prophylaxis in Patients Having Craniotomy

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

Eligibility Criteria:
Inclusion Criteria:~A patient is eligible for inclusion in this study if all of the following criteria apply:~* Age: 18-75 years of age~* Surgery: craniotomy under general anesthesia.~* American Society of Anesthesiologists (ASA) Status: ASA: I, II, or III~* Language: Fluent in the English language~* Informed Consent: Written informed consent must be obtained.~Exclusion Criteria:~A patient will not be eligible for inclusion in this study if any one or more of the following criteria apply within thirty days of patient enrollment in this clinical trial:~* Medical: Any condition that may impair a patient's ability to complete any of the study assessments or confound interpretation of results.~* Hypersensitivity: Patient has a known immediate or delayed hypersensitivity reaction or known idiosyncrasy to any of the two study medications, ondansetron, or aprepitant.~* Other Drugs: Patients should not be taking medications with known antiemetic properties (phenothiazines, butyrophenones, antihistamines), nor should they receive metoclopramide, or other antiemetics preoperatively or 12 hours before the scheduled surgical procedure.~* Pregnant or lactating females: A pregnancy test will be performed within 24 hours of entering the study for females of childbearing potential.~* Substance Abuse: Clinically significant abuse of substances (alcohol, illicit or prescribed medications) such that the patient is unable to provide informed consent or reliably complete any of the study assessments.~* Psychiatric Disease: History of a psychiatric illness that may impair the patient's ability to provide informed consent or complete any of the study assessments.~* Nausea verbal rating score (VRS): A VRS nausea score \> 3 (scale 0-10) in the preoperative holding area before pretreatment with the study medications.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 75 Years
- Healthy Volunteers: f

Study Arms:
- 1 (Type: EXPERIMENTAL): Aprepitant 40 mg preoperatively + dexamethasone 10 mg after induction of anesthesia
- 2 (Type: ACTIVE_COMPARATOR): Ondansetron 4 mg within 30 min of the end of surgery + Dexamethasone 10 mg after induction of anesthesia

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