Please select the eligibility criteria that correspond to the clinical trial below.
Title: Phase 2, Double-Blind, Placebo-Controlled Trial of Selegiline Transdermal System (STS) as an Aid for Smoking Cessation.
Brief Summary: The purpose of this study is designed to examine the effects of Selegiline Transdermal System and behavioral intervention in smoking cessation as compared to behavioral intervention alone.


Options:
A: Inclusion Criteria:

* Must be at least 18 years of age
* Be in good general health
* Must meet Diagnostic and Statistical Manual-IV (DSM-IV) diagnostic criteria for nicotine dependence
* Be currently smoking \> 15 cigarettes/day, and have smoked cigarettes for the past 5 years
* Subjects must be motivated to quite smoking
* If female and of child bearing potential, agrees to use birth control and subject
* Subject must be able to understand and provide written informed consent.

Exclusion

Criteria:

* Please contact site for more information
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:

* Adult tobacco-using dental patients, aged 18 and older who come in for a regularly scheduled visit to a dentist or dental hygienist participating in our study.
* Dentists in private practice, employing at least one dental hygienist and one dental assistant.

Exclusion Criteria:

* Dental patients under the age of 18
D: Inclusion Criteria:

* Aged 18 to 65 years old
* Smoking 20 or more cigarettes per day
* Wants to stop smoking(seeking treatment)
* No period of smoking abstinence longer than 3 months in the past year
* Be able to give informed consent to participate
* Complete the study questionnaires
* Female smokers will be eligible providing they are not breastfeeding, pregnant (negative pregnancy test) or at risk of becoming pregnant

Exclusion Criteria:

* Previous use of nicotine transdermal patches or varenicline (VRN) in the last 6 months
* Cigar, pipe and oral tobacco users who do not smoke 20 or more cigarettes per day
* Those who meet the criteria contra-indicating nicotine patches or VRN use, as described in the Summaries Product Characteristics
* Those with previous severe adverse reactions to nicotine patch or to VRN
* Those currently taking either medication for smoking cessation that they are unwilling to stop or taking medication with a known influence on smoking cessation that they should not stop (e.g. nortriptyline for depression)
* Those who are non-Spanish neither Catalan speakers
* Those deemed unsuitable for the study by their smoking cessation physicians; -- Unstable diseases within the previous 6 months
* Diagnoses of or treatment for major depression last 6 months or psychotic disorder; or drug or alcohol dependence within the previous 12 months
* Skin disorders that cause a difficulty of nicotine absorption by patches as Psoriases as well as general dermatitis
* Clinically significant renal or hepatic impairment or dysfunction
* Pregnant or breast-feeding women
* women who do not use neither want to use any effective anticonceptive method.

Answer: A