Please assess the completion status of the following clinical trial:

Trial Title: A Study for Patient With Chronic Low Back 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: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Male or female outpatients with chronic low back pain~Exclusion Criteria:~* Cardiovascular, hepatic, renal, respiratory, or hematologic illness, or other medical or psychiatric condition that, in the opinion of the investigator, would compromise participation or be likely to lead to hospitalization during the course of the study.~* Acute liver injury (such as hepatitis) or severe cirrhosis.~* Previous exposure to duloxetine.~* Body Mass Index (BMI) over 40.~* Major depressive disorder.~* Daily use of narcotics.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- Duloxetine (Type: EXPERIMENTAL): Participants received duloxetine 60 milligram by mouth once daily for 12 weeks of double-blind treatment
- Placebo (Type: PLACEBO_COMPARATOR): Patients received placebo by mouth once daily for 12 weeks of double-blind treatment

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