Please select the eligibility criteria that correspond to the clinical trial below.
Title: A Phase 4 12-week, Double-Blind, Placebo-Controlled, Multicenter Study Evaluating The Safety And Efficacy Of Varenicline Tartrate (CP-526,555) 1mg BID For Smoking Cessation In Subjects With Depression
Brief Summary: Patients with depression tend to have a higher prevalence of smoking as well as increased severity of nicotine dependence. Phase 2 and Phase 3 varenicline clinical trials that demonstrated its efficacy and tolerability have not included subjects with depression. This smoking cessation study focuses on the depressed population and will assess the efficacy and safety of varenicline.


Options:
A: Inclusion Criteria:

* Have a diagnosis (using the SCID-I/P at screening visit) of schizophrenia or schizoaffective disorder and judged to be stable (without hospitalization or acute exacerbation and functioning in society) on psychiatric treatment for at least the past 6 month.
* Current cigarette smokers (at least 15/day during the past year with no period of abstinence greater than 3 months in the past year) male or female, between the ages of 18 and 75 inclusive, who are motivated to stop smoking.
* Score 7 or higher on the Contemplation Ladder at the Screening, Week -1, and Baseline Visits.

Exclusion Criteria:

* PANSS score \>70 at Screen or Baseline Visit.
* Subjects hospitalized within the past six months due to suicidal ideation or suicidal behavior or subjects considered to have serious suicidal ideation or suicidal behavior within the past six moth.
* Subjects having active suicidal ideation or behavior identified at Screen, Week -1, or Baseline Visit.
* Subjects taking Bupropion.
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:

* Male or female cigarette smokers, 18-75 years, motivated to stop smoking and considered suitable for a smoking cessation attempt
* Smoked an average of at least 10 cigarettes per day during past year and over past month, and exhaled carbon monoxide (CO) \> 10 ppm at screening
* Current or past diagnosis of MDD without psychotic features, either single or recurrent, using DSM IV TR based on clinical assessment and confirmed by SCID and at least one of the following:
* On stable antidepressant treatment for MDD (stable dose for at least 2 months)
* Major depressive episode, using DSM IV TR, in the past 2 years successfully treated

Exclusion Criteria:

* Current or past diagnosis of dementia, schizophrenia, schizoaffective disorder, or other psychotic disorder, bipolar I disorder, bipolar II disorder.
* Subjects with antisocial, schizotypal, or any other personality disorder severe enough to compromise the subject's ability to comply with the study requirements..
* Current use of either bupropion or nortryptiline.
D: Inclusion Criteria:

* Male and female cigarette smokers over the age of 18 years who are not willing/able to quit smoking within the next month but who are willing to attempt to reduce their smoking to work toward a quit attempt within the next 3 months.
* Subjects must have smoked an average of at least 10 cigarettes per day during the past year and during the month prior to the screening visit, with no continuous period of abstinence greater than 3 months in the past year and who have an exhaled carbon monoxide (CO) \>10 ppm at screening.
* Subjects with mild to moderate depression or anxiety may be included if their condition is stable.

Exclusion Criteria:

* Subjects with a history of a suicide attempt or any suicidal behavior in the past two years.
* Subjects with severe depression or anxiety.
* Subjects with psychosis, panic disorder, bipolar disorder, post traumatic stress disorder (PTSD), or schizophrenia.
* Subjects with alcohol or substance abuse or dependence (except nicotine) unless in full remission for at least 12 months.

Answer: C