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:

* Patient's gestational age is 26 weeks or less.
* Patient is at least 16 years of age.
* Patient is able to speak English or Spanish.
* Patient intends to carry to term.
* Patient has stable residence.
* Patient has smoked five or more cigarettes everyday for the past seven days.

Exclusion Criteria:

* Evidence that the patient is pregnant with a fetus with a known congenital abnormality.
* Unstable medical problems (i.e., hyperthyroidism, temporomandibular joint disorder, pre-eclampsia, threatened abortion, hyperemesis gravidarum)
* Multiple Gestation
* Unstable psychiatric disorder
* Current drug or alcohol abuse or dependence
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:

* smoking pregnant woman unable to quit smoking during the first 3 months of pregnancy
* smoking ≥ 5 cigaret/day despite standard medical advice and cognitive-behavioral counselling
* aged ≥ 18 years
* health insured
* motivated to stop smoking; motivation score ≥ 5 on a scale ranging from 0 to 10
* amenorrhea of 9 to 20 weeks
* having signed the written informed consent

Exclusion Criteria:

* non-pregnant women
* men

Pregnant woman:

* who does not agree to use a nicotine or placebo patch
* with presence of chronic psychiatric comorbidity treated continuously by antidepressant, neuroleptic or anxiolytic
* with skin disorder contraindicating the use of a transdermal patch
* with known hypersensitivity to transdermal patch or to one of its constituents
* using other nicotine containing pharmaceutical products (gum, lozenge, inhaler, sublingual tablets)
* using other forms of tobacco than cigaret (cigaret, pipe or any form of smokeless tobacco)
D: Inclusion Criteria:

* Be at least 18 years of age
* Be between 13 and 25 weeks of pregnancy
* Be receiving prenatal care at one of the participating clinics
* Have smoked at least 100 cigarettes in their lifetime
* Be currently smoking and have smoked at least 5 cigarettes per day in the past 7 days
* Speak and write English

Exclusion Criteria:

* Evidence of cognitive or mental health problems
* Evidence of possible drug or alcohol addiction
* Documented history in medical chart of mental retardation, significant chronic or recurrent psychiatric disorder such as schizophrenia or severe depression, history of cardiac arrhythmias, history of myocardial infarction within the past 6 months, history of previous pregnancy with congenital anomaly,family history of congenital anomalies
* Complications of pregnancy during the current pregnancy, including: threatened miscarriage, congenital anomalies, unexplained vaginal bleeding, pelvic or abdominal surgical procedures, deep venous thrombosis, malignancy

Answer: B