Please assess the completion status of the following clinical trial:

Trial Title: A Multi-National Study To Assess How Effective And Safe The Smoking Cessation Medicine Varenicline Is In Smokers Who Have Already Tried Varenicline In The Past As A Prescription Medicine From Their Usual Healthcare Provider

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: DOUBLE
- Phase: PHASE4
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Smokers aged 18 years or above and wanting to stop smoking~* Smokers who have smoked an average of at least 10 cigarettes per day over the last 4 weeks~* Smokers who have tried before to stop smoking at least once with varenicline, and who took varenicline for at least 2 weeks~* The last attempt to stop smoking must be at least 3 months before entering the study~Exclusion Criteria:~* Individuals who have not tolerated varenicline well previously, or who have a current or prior medical or psychiatric history that would make entry into the trial inadvisable~* Individuals who have previously participated in clinical trials of varenicline~* Individuals who have been participating in another smoking cessation trial within the last 3 months, or other drug trial within the last 30 days

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

Study Arms:
- Varenicline (Type: EXPERIMENTAL): None
- Placebo (Type: PLACEBO_COMPARATOR): None

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