Please assess the completion status of the following clinical trial:

Trial Title: A Two-Arm Study Comparing the Analgesic Efficacy and Safety of Acetaminophen and Tramadol Combination BID Versus Placebo for the Treatment of Acute 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:~* Males or females in generally good health aged 18-80 years with moderate to severe acute low back pain.~* Current acute low back pain episode within 48h prior to study entry.~* Pain must be moderate to severe following incident~Exclusion Criteria:~* Chronic low back pain~* Ongoing or history of alcohol or drug abuse~* Body Mass Index greater 39~* Treatment within the last 3 weeks with monoamine oxidase inhibitors; tricyclic antidepressants and other tricyclic compounds; neuroleptics; selective serotonin reuptake inhibitors~* Known history or symptoms suspicious for cancer~* Significant renal or liver disease~* Spinal surgery within 1 year of study entry.~* Subjects who are pregnant or lactating.~* Subjects with unstable medical disease.~* Subjects who have received treatment with an investigational product/device with 30 days prior to study entry.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 80 Years
- Healthy Volunteers: f

Study Arms:
- 1 (Type: ACTIVE_COMPARATOR): None
- 2 (Type: PLACEBO_COMPARATOR): None

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