Please assess the completion status of the following clinical trial:

Trial Title: Ketamine and Propofol for Upper Endoscopy

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: DOUBLE
- Phase: PHASE4
- Number of Arms: 4.0

Eligibility Criteria:
Inclusion Criteria:~* Age 3-13 years~* Receiving general anesthesia for upper endoscopy~Exclusion Criteria:~* Known or possible difficult airway~* BMI \> 35~* Weight \< 10 kg~* Sedative premedication required~* Known contraindication to ketamine or propofol

- Gender: ALL
- Minimum Age: 3 Years
- Maximum Age: 13 Years
- Healthy Volunteers: f

Study Arms:
- Ketamine 0 mg/kg (Type: EXPERIMENTAL): Ketamine dose will be 0 mg/kg. Propofol dose for the first patient will be 4 mg/kg. Doses for the subsequent patients will increase or decrease by 1.6 mg/kg using the Dixon Up and Down method.
- Ketamine 0.25 mg/kg (Type: EXPERIMENTAL): Ketamine dose will be 0.25 mg/kg. Propofol dose for the first patient will be 3 mg/kg. Doses for the subsequent patients will increase or decrease by 1.2 mg/kg using the Dixon Up and Down method.
- Ketamine 0.5 mg/kg (Type: EXPERIMENTAL): Ketamine dose will be 0.5 mg/kg. Propofol dose for the first patient will be 2.5 mg/kg. Doses for the subsequent patients will increase or decrease by 0.8 mg/kg using the Dixon Up and Down method.
- Ketamine 1.0 mg/kg (Type: EXPERIMENTAL): Ketamine dose will be 1.0 mg/kg. Propofol dose for the first patient will be 2 mg/kg. Doses for the subsequent patients will increase or decrease by 0.4 mg/kg using the Dixon Up and Down method.

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