Please assess the completion status of the following clinical trial:

Trial Title: Non-cancer Pain and Cognitive Impairment: A Disabling Relationship

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

Eligibility Criteria:
Inclusion Criteria:~1. age over 65~2. Pain at least 3 months duration~3. Pain greater in lower extremity than other anatomical site with ambulation~4. Pain self-report of moderate intensity of higher on an average day~5. Community-dwelling~6. Ambulatory~7. Physician states participants have decision-making capacity to enroll into the trial~8. Participants with cognitive impairment have a reliable caregiver~9. Inadequate pain relief from NSAIDS and/or acetaminophen in the past~Exclusion Criteria:~1. Current cancer requiring chemotherapy~2. History of addiction to opioids or other controlled substance~3. Consumes more than 2 alcoholic drinks a day~4. Severe balance disturbance~5. Intra-articular steroid injection in the past 6 weeks

- Gender: ALL
- Minimum Age: 65 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- Acetaminophen (Type: ACTIVE_COMPARATOR): None
- Long Acting Oxycodone (Type: ACTIVE_COMPARATOR): None

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