Please assess the completion status of the following clinical trial:

Trial Title: Antibiotic Treatment Alone for Acute Simple Appendicitis in Children

Study Design Characteristics:
- Allocation: NON_RANDOMIZED
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: None
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~1. Age 7-17 years~2. Radiologically confirmed simple appendicitis, defined as:~   a. Clinical findings: i. Unwell, but not generally ill ii. Localized tenderness in the right iliac fossa region iii. Normal/hyperactive bowel sounds iv. No guarding v. No mass palpable b. Ultrasonography: i. Incompressible appendix with an outer diameter of ≥6 mm ii. Hyperaemia within the appendiceal wall iii. Without fecalith iv. Infiltration of surrounding fat v. No signs of perforation vi. No signs of intra abdominal abscess/phlegmon~Exclusion criteria:~1. Patients with severe general illness at time of presentation:~   1. Generalized peritonitis defined as:~      Diffuse inflammation of the peritoneum with clinical signs consisting of increasing abdominal pain, generalized tenderness, diffuse abdominal rigidity, sinus tachycardia, signs of paralytic ileus~  2. Severe sepsis or septic shock, as defined by the international paediatric sepsis consensus conference \[39\]. See attachment 1.~  3. Signs of complex appendicitis~2. Children with a fecalith on ultrasonography.~3. Patients with serious associated conditions or malformations such as:~   1. Congenital or acquired cardiac or pulmonary disease with significant hemodynamic consequences~  2. Immunodeficiency~  3. Malignancy~  4. Homozygous sickle cell disease~  5. Metabolic disorders~4. Patient with documented type 1 allergy to the antibiotics used

- Gender: ALL
- Minimum Age: 7 Years
- Maximum Age: 17 Years
- Healthy Volunteers: f

Study Arms:
- Antibiotic treatment alone (Type: EXPERIMENTAL): Intravenous administration:~Amoxicillin/clavulanic acid 100/10 mg/kg 6-hourly Gentamicin 7mg/kg once daily~Oral administration of:~Amoxicillin/clavulanic acid 50/12.5 mg/kg/day (in three doses)
- Appendectomy (Type: ACTIVE_COMPARATOR): Routine appendectomy either laparoscopic or open depending on the surgeon's preference

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