Please assess the completion status of the following clinical trial:

Trial Title: Xylitol for Chronic Sinusitis

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: DOUBLE
- Phase: PHASE2/PHASE3
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Adult patients above the age of 18~* History of chronic rhinosinusitis history who had undergone bilateral endoscopic sinus surgery to include at a minimum maxillary antrostomy and anterior ethmoidectomy.~* Continued chronic sinusitis that is refractory to medical therapy after surgical intervention~Exclusion Criteria:~* Patients under age of 18~* Non-English speaking~* History of immunodeficiency disease~* Cystic fibrosis~* Primary ciliary dyskinesia~* History of granulomatous disease~* Active smoker~* Treatment with antifungal medications~* Use of antifungal medications~* Acute bacterial infection requiring antibiotics~* Active pregnancy

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

Study Arms:
- Xylitol (Type: EXPERIMENTAL): This arm will evaluate the effect of topical xylitol therapy on biofilm production with the use of PCR bacterial sequencing before and after medical intervention.
- Control (Type: ACTIVE_COMPARATOR): This arm is the standard of care saline irrigation solution.

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