Please assess the completion status of the following clinical trial:

Trial Title: Comparison Of Ketorolac Tromethamine Versus Naproxen For Moderate to Severe Back Pain Treatment

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:~* Consent of the patient or legal guardian.~* Men or women aged between 18 and 65.~* Diagnosis of acute low back pain with moderate to severe pain (Visual Analog Scale greater than 4 cm)~Exclusion Criteria:~* fracture confirmed by X-ray~* Diagnosis of infection, fever,~* Pregnancy, lactation;~* Diagnosis of fibromyalgia;~* Hypersensitivity to ketorolac tromethamine, any of the ingredients of the formula or other Nonsteroidal anti-inflammatory

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

Study Arms:
- Naproxen (Type: ACTIVE_COMPARATOR): Every 8 hours for 4 days.
- Ketorolac Tromethamine (Type: EXPERIMENTAL): Every 8 hours for 4 days

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