Please assess the completion status of the following clinical trial:

Trial Title: Methadone Versus Morphine for Orthopedic Surgery Patients

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

Eligibility Criteria:
Inclusion Criteria:~* ASA I-III~* Ages 18-65 years~* Presenting for lower extremity orthopedic surgery involving fracture of long bones at University of Louisville Hospital~* Surgery expected to last more than one hour~* Patient expected to have moderate to severe post-operative pain~* Patient refused regional anesthesia or has a contraindication to regional anesthesia~Exclusion Criteria:~* Any known contraindications to methadone including hypothyroidism, Addison's disease, prostatic hypertrophy, or urethral stricture.~* Difficulty or inability to understand the study or protocol~* Known renal or hepatic dysfunction~* BMI\> 35~* Known respiratory or cardiovascular problems, such as obstructive sleep apnea or oxygen saturation of less than 92% on room air~* Taking any of the known drugs that induce or inhibit the cytochrome p450 enzyme systems. Common examples of these drugs are antifungal, antiretroviral, barbiturates, dexamethasone, and macrolide antibiotics.~* Pregnancy~* Taking preoperative opioids for more than 2 weeks before the surgery

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

Study Arms:
- Methadone (Type: EXPERIMENTAL): Patients received 2 µg/kg fentanyl, 0.2 mg/kg ketamine and 0.2 mg/kg of methadone IV with induction of general anesthesia.
- Control (Type: ACTIVE_COMPARATOR): Patients received 2 µg/kg fentanyl, 0.2 mg/kg ketamine, and 0.2 mg/kg morphine (standard of care)

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