Please assess the completion status of the following clinical trial:

Trial Title: Airway Secretion Clearance in Cystic Fibrosis

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: None
- Number of Arms: 3.0

Eligibility Criteria:
Inclusion Criteria:~* A proven diagnosis of CF as evidenced by a positive sweat test (as documented by a sweat chloride \>60 mEq/L by quantitative pilocarpine iontophoresis), or by the presence of two known CF mutations.~* Aged 7 or older.~* FEV1 \>45% (Knudson).~* Able to perform reproducible maneuvers for spirometry at screening as defined by the American Thoracic Society (ATS) and European Respiratory Society (ERS) guidelines.~* Willing to participate in and comply with the study procedures, and willingness of a parent or legally authorized representative to provide written informed consent.~Exclusion Criteria:~* Hospitalization for complications of CF, or a respiratory exacerbation resulting in - treatment with IV antibiotics within 60 days prior to screening.~* Use of any investigational drug or device within 60 days prior to screening.~* An episode of gross hemoptysis (\>249 ml) within 60 days prior to screening, or during the course of the study.~* A pneumothorax in the six months preceding the study or during the course of the study.~* Patients who are pregnant or become pregnant.~* Patients colonized with Burkholderia cepacia.

- Gender: ALL
- Minimum Age: 7 Years
- Maximum Age: None
- Healthy Volunteers: f

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

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