Please assess the completion status of the following clinical trial:

Trial Title: High Flow Nasal Oxygen for Children With Cystic Fibrosis Presenting With Respiratory Failure - a Randomized Controlled Study

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

Eligibility Criteria:
Inclusion Criteria:~* Established diagnosis of cystic fibrosis~* Age between 6 and 17 years~* Ability to perform lung function testing~* Hospital admission due to acute pulmonary exacerbation in the last 12h~* Regular use of Pulmozyme~* Need for high FiO2 defined as more than 2 liters per minute in the nasal cannula or need of a Venturi mask~Exclusion Criteria:~* Recent admission (less than 30 days)~* Recent or current atelectasis (less than 3 months)~* Hemoptysis or pneumothorax~* Need for a bronchoscopy during admission~* Need for non-invasive ventilation for more than 2 hours/day

- Gender: ALL
- Minimum Age: 6 Years
- Maximum Age: 17 Years
- Healthy Volunteers: f

Study Arms:
- Hi-flow nasal cannula (Type: EXPERIMENTAL): This group will receive supplemental oxygen by nasal cannula using the Optiflow system, with high flows of 100% humidified oxygen
- Venturi mask (Type: ACTIVE_COMPARATOR): This group will receive supplemental oxygen by the current standard in our Institution: Venturi masks

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