Please assess the completion status of the following clinical trial:

Trial Title: Interferon Alpha Lozenges in the Prevention of Winter Colds and Flu

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

Eligibility Criteria:
Inclusion Criteria:~* Male or non-pregnant female~* Females of child-bearing potential must practice a medically accepted form of birth control~Exclusion Criteria:~* Currently exhibiting an acute upper respiratory tract infection~* history of chronic respiratory disease requiring regular therapy(i.e. COPD, asthma, bronchitis, etc.)~* any condition likely to increase the risk of severe or complicated influenza (i.e. cardiac disease, chronic renal disease, endocrine diseases, including diabetes and/or immunosuppressive therapy)~* any condition requiring regular treatment with antihistamines, analgesics or antipyretics~* known infection with HIV, hepatitis B virus or hepatitis C virus~* any other serious, uncontrolled disease~* any active infections requiring use of antibiotic or antiviral drugs~* non-ambulatory status~* suspected drug or alcohol abuse

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 75 Years
- Healthy Volunteers: t

Study Arms:
- Interferon-alpha (Type: EXPERIMENTAL): 150 international units of interferon-alpha
- placebo (Type: PLACEBO_COMPARATOR): placebo lozenges

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