Please assess the completion status of the following clinical trial:

Trial Title: Varenicline Observational Investigation In The Cessation of Smoking

Study Design Characteristics:
- Allocation: None
- Intervention Model: None
- Observational Model: CASE_ONLY
- Primary Purpose: None
- Time Perspective: PROSPECTIVE
- Masking: None
- Phase: None
- Number of Arms: None

Eligibility Criteria:
Inclusion Criteria:~* The patients enrolled should be of legal adult age who regularly smoke and of which the main tobacco product is cigarettes.~* The patients must be willing to make an attempt to stop smoking.~Exclusion Criteria:~* All patients enrolled should meet the usual prescribing criteria for varenicline as per SmPC and should be entered into the trial at the Investigators discretion.

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

Study Arms:
- 1. Non-interventional (Type: None): Patients prescribed varenicline in a non interventional manner.

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