Please assess the completion status of the following clinical trial:

Trial Title: Methadone in Ambulatory Surgery

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: DOUBLE
- Phase: None
- Number of Arms: 3.0

Eligibility Criteria:
Inclusion Criteria:~* Age 18-65 years~* Undergoing general anesthesia and moderately painful, ambulatory surgical procedures with anticipated overnight, postop hospital stay of \< 24 hours~* Signed, written, informed consent~Exclusion Criteria:~* History of or known liver or kidney disease.~* Females who are pregnant or nursing.~* Opioid tolerant patients (e.g. preoperative methadone therapy or use of fentanyl transdermal patches)~* History of allergy to methadone

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 65 Years
- Healthy Volunteers: f

Study Arms:
- Control (Type: ACTIVE_COMPARATOR): Control (Intra-operative administration of opioids, other than methadone)
- Treatment methadone 0.1 mg/kg (Type: ACTIVE_COMPARATOR): methadone 0.1 mg/kg
- Treatment methadone 0.15 mg/kg (Type: ACTIVE_COMPARATOR): None

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