Please assess the completion status of the following clinical trial:

Trial Title: Ketamine and Propofol Combination Versus Propofol for Upper Gastrointestinal Endoscopy

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

Eligibility Criteria:
Inclusion Criteria:~* BMI \> 30~* Undergoing an upper gastrointestinal endoscopy~Exclusion Criteria:~* History of schizophrenia/schizoaffective disorder~* History of bipolar disorder~* History of dementia~* Non-English Speaking~* History of Glaucoma~* Craniofacial Abnormalities~* Epilepsy~* Allergy to Propofol~* Allergy to Ketamine~* Current known intracranial mass/lesion

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

Study Arms:
- Ketofol and Propofol (Type: EXPERIMENTAL): This arm receives a 50mg dose of Ketamine mixed with 100mg of Propofol at the start of their upper endoscopy.
- Propofol only (Type: ACTIVE_COMPARATOR): This arm receives 100mg of Propofol mixed with 1mL of saline at the start of the upper gastrointestinal endoscopy.

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