Please assess the completion status of the following clinical trial:

Trial Title: Efficacy of Varenicline in Ambivalent Smokers

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

Eligibility Criteria:
Inclusion Criteria:~* At least 18 years old~* Able to get to research lab in Burlington, Vermont or Omaha, Nebraska~* Daily smoker~* Smoke at least 8 cigarettes per day~* No reduction in smoking in last 30 days~* No intention to quit in the next 30 days~* Never used Varenicline before~* Not currently using smoking cessation medications or nicotine replacement therapy~* Willing to use Varenicline for at least 2 weeks~* Fluent in English~Exclusion Criteria:~* Cannot be currently pregnant or breastfeeding~* Kidney disease~* Frequent nausea~* On certain medications for asthma and/or depression~* Another household member in study

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

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).