Please assess the completion status of the following clinical trial:

Trial Title: Intravenous Paracetamol or Morphine for the Treatment of Acute Flank Pain

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

Eligibility Criteria:
Inclusion Criteria:~Adults (aged 16 to 55 years old) with acute low back pain were eligible for inclusion in the study~Exclusion Criteria:~* known allergy or contraindication to morphine, paracetamol, or any opioid analgesic~* hemodynamic instability; fever (temperature \> 38°C \[100.4°F\])~* evidence of peritoneal inflammation~* documented or suspected pregnancy~* known or suspected aortic dissection or aneurysm~* use of any analgesic within 6 hours of ED presentation~* previous study enrollment Patients with known renal, pulmonary, cardiac, or hepatic failure, as well as those with renal transplantation, were also excluded.

- Gender: ALL
- Minimum Age: 16 Years
- Maximum Age: 55 Years
- Healthy Volunteers: f

Study Arms:
- Paracetamol (Type: EXPERIMENTAL): None
- Morphine (Type: ACTIVE_COMPARATOR): None

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