Please assess the completion status of the following clinical trial:

Trial Title: Efficacy of Lansoprazole in Chronic Post Nasal Drip

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: TRIPLE
- Phase: PHASE3
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Negative RAST inhalant allergy panel OR negative skin testing (Group A)~* Positive RAST or Positive skin testing AND insufficient response to all of the following: (Group B)~  * Allergen avoidance~ * Topical nasal steroids~ * Allergy shots if indicated~ * Antihistamines~ * Negative CT sinuses (coronal)~ * \< 4mm of mucosal thickening and \< 3 sinus sites~ * Absence of air-fluid levels~ * Negative anterior rhinoscopy~ * Absence of pus, crusts on mucosal surfaces~Exclusion Criteria:~* Age \< 18~* Pregnancy, confirmed by urine pregnancy test at day of randomization~* Ciliary dyskinesia~* Immune deficiency~* Cystic fibrosis~* Diagnosis of acute sinusitis or chronic RS (AAO-HNS)~* Active use of topical decongestant~* Use of PPI within the last 30 days~* Previous fundoplication~* Uncontrolled thyroid disease~* Isolated chronic cough without the symptom of post nasal drip

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- Lansoprazole (Type: ACTIVE_COMPARATOR): None
- Sugar Pill (Type: PLACEBO_COMPARATOR): None

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