Please assess the completion status of the following clinical trial:

Trial Title: Intraoperative Low-dose Ketamine Infusion for Patients With Obstructive Sleep Apnea

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: PREVENTION
- Time Perspective: None
- Masking: TRIPLE
- Phase: PHASE2/PHASE3
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* aged 19-100~* scheduled to undergo general ENT or Orthopedic Surgery~* diagnosis of obstructive sleep apnea as confirmed by sleep study or deemed high risked for obstructive sleep apnea by clinical predictors (greater than 4 clinical predictors of obstructive sleep apnea as described by STOP BANG ).~Exclusion Criteria:~* positive pregnancy test~* ASA \> III~* history of alcohol or narcotic abuse in last 90 days~* significant cardiovascular or respiratory disease (baseline oxygen saturation below 92%)~* significant psychiatric or neurologic disease~* history of significant hepatic or renal disease (baseline creatinine\>1.5)~* history of allergy or contraindication to anesthetic agents or ketamine including patients with increased ICP~* increased IOP~* severe arrhythmias~* history of delirium~* history of hallucinations~* history of psychosis~* history of uncontrolled seizures~* potential risk for malignant hyperthermia (family history)~* history of difficult intubation that would preclude standard induction of anesthesia~* prisoners~* persons who are mentally impaired~* non-English speakers

- Gender: ALL
- Minimum Age: 19 Years
- Maximum Age: 100 Years
- Healthy Volunteers: t

Study Arms:
- Control Group (Type: PLACEBO_COMPARATOR): OSA patients will receive standard inhaled anesthesia with normal saline infusion
- Ketamine Group (Type: ACTIVE_COMPARATOR): OSA patients receiving standard inhaled anesthesia combined with a low-dose ketamine infusion.

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