Please select the eligibility criteria that correspond to the clinical trial below.
Title: A Twelve-Week, Double-Blind, Placebo-Controlled, Randomized, Multicenter Study With Follow-up Evaluating the Safety and Efficacy of Varenicline Tartrate ( CP-526,555) in Comparison to Zyban for Smoking Cessation
Brief Summary: The primary purpose of this study is to evaluate the safety and efficacy of varenicline given for a twelve week treatment period in comparison with placebo and Zyban for smoking cessation.


Options:
A: Inclusion Criteria:

* Age ≥18 years Smoking ≥ 10 cigarettes per day Patients with disease conditions known to be related to smoking: e.g.coronary heart diseases, COPD, lower extremity arterial disease, etc

Exclusion Criteria:

* Smokers whose follow-up during the duration of the study, in a predictable way, cannot be assured.
* smokers having been treated by bupropion ( Zyban) during two months preceding the inclusion
* persons under TSN, neuroleptic, substitute treatments in OPINOIDES, under anticoagulants-non-equilibrating,
* encircled woman
* breast-feeding woman
* Contraindication usual of the TSN
B: Inclusion Criteria:

* Subjects must have smoked an average of at least 10 cigarettes per day during the past year and over the month prior to the screening visit, with no period of abstinence greater than 3 months in the past year.

Exclusion Criteria:

* Subjects who have used bupropion (Zyban or Wellbutrin) previously.
C: Inclusion Criteria:

* An invited member of Group Health, a health care system in the Pacific Northwest
* Plan to remain enrolled in Group Health for the next 6 months
* aged 18 - 65
* Eligible for smoking cessation treatment through Group Health insurance coverage
* smoke \>= 10 cigs a day
* speak and read in English
* willing to use varenicline and no contraindications for this medication
* ready to quit smoking
* have a smart phone with internet access
* willing to receive study texts and emails
* receive care at a Group Health clinic and have electronic medical records in this system
* fill prescriptions through the Group Health pharmacy
* agree to use birth control while taking study medication, if there is a risk of pregnancy

Exclusion Criteria:

* lifetime history of dementia
* psychosis or bipolar disorder based on self-report or medical record review
* hearing, comprehension or visual limitations that preclude full study participation
* current use of other forms of tobacco
* any medical contraindication for varenicline use
* documented history of suicidal ideation/intent
D: The only people eligible for this study are Wisconsin residents who contact the Wisconsin Tobacco Quit Line for smoking cessation services.

Inclusion Criteria:

* Callers will be eligible to participate in the study if they are English speaking; are 18 years of age or older; smoke a minimum of 10 cigarettes per day; are interested in quitting and are willing to set a quit date; willing and able to use nicotine patch and nicotine gum; agree to receive four follow-up counseling calls from Free \& Clear (the quitline vendor for the State of Wisconsin); provide verbal informed consent; and provide contact information and agree to take four study follow-up calls from staff at the University of Wisconsin Center for Tobacco Research and Intervention.

Exclusion Criteria:

* Callers will be excluded if they are under the age of 18; are pregnant or breastfeeding; exclusively use other forms of tobacco (e.g., smokeless tobacco); are unwilling or unable to use study NRT medications; are currently using a cessation medication (NRT, bupropion, varenicline); or have medical exclusions as per FDA-approved product labeling.

Answer: B