Please assess the completion status of the following clinical trial:

Trial Title: Interferon-alpha Treatment of Chronic Cough in Chronic Obstructive Pulmonary Disease and Idiopathic Pulmonary Fibrosis

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: QUADRUPLE
- Phase: PHASE2
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~For all patients~* history of clinically significant chronic cough for \> 3 months~* For COPD patients~* \>40 years of age~* 20-pack-year history of smoking~* GOLD classification of Stage 1 or higher~* For IPF patients~* \> 50 years of age~* history of unexplained dyspnea on exertion of \> 3 months~* exhibits coughing and bilateral, basilar, inspiratory crackles on physical exam~* presents as being in a stable phase of IPF~* lung biopsy or HRCT indicative of IPF~Exclusion Criteria:~* ACE inhibitor use~* GERD~* current cancer or history of lung cancer~* non-ambulatory~* hospitalized in the previous 12 months for heart failure

- Gender: ALL
- Minimum Age: 40 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- 1 (Type: EXPERIMENTAL): lozenges containing 150 IU of natural human interferon-alpha
- 2 (Type: PLACEBO_COMPARATOR): matching placebo lozenges

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