Please assess the completion status of the following clinical trial:

Trial Title: An Efficacy and Safety Study of Acetaminophen Plus Tramadol Hydrochloride (JNS013) in Participants With Chronic Pain

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: QUADRUPLE
- Phase: PHASE3
- Number of Arms: 3.0

Eligibility Criteria:
Inclusion Criteria:~* Participants with sustention of chronic pain associated with OA or LBP for at least 3 months~* Participants whose pain cannot be controlled sufficiently with at least 14-day continuous treatment with identical oral NSAIDs at a usual maximum dose during 3 months prior to this study~* Outpatients~* Ambulatory participants without need for any supportive device or assistance during daily life~Exclusion Criteria:~* Participants with conditions for which opioids are contraindicated~* Participants with conditions for which acetaminophen is contraindicated~* Participants with history of convulsion or the possibility of convulsive seizure~* Participants with concurrent, previous, or possible alcohol dependence, drug dependence, or narcotic addiction~* Pregnant participants or those who may be pregnant, lactating mothers, and participants who wish pregnancy during the study period

- Gender: ALL
- Minimum Age: 20 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- Tramadol Hydrochloride Plus Acetaminophen (Open-Label) (Type: EXPERIMENTAL): None
- Tramadol Hydrochloride Plus Acetaminophen (Double Blind) (Type: EXPERIMENTAL): None
- Placebo (Double-Blind) (Type: PLACEBO_COMPARATOR): None

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