Please select the eligibility criteria that correspond to the clinical trial below.
Title: Smoking Cessation With Varenicline (Champix) and Integrated Voice Response Technology (IVR)
Brief Summary: The goal of this study is to provide you with an effective treatment for reducing the physical and emotional stress that can occur during the early phase of being without cigarettes. It is our hope that this treatment will help you to stay smoke-free. You will receive counseling and a supply of Champix, a medication to help suppress the symptoms of nicotine withdrawal.

Purpose: To assess the effect of extended Integrated Voice Response (IVR) on smoking cessation after varenicline (Champix) and IVR treatment Hypothesis: There will be significant increase in participants who do not smoke at 1 year if extended IVR is used after 12 weeks of varenicline (Champix) and IVR treatment.


Options:
A: 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.
B: Inclusion Criteria:

* Enrolled full or part-time at one of the participating campuses
* Smoke at least 10 days per month
* Intending to be in school for the entire academic year (i.e., next 2 semesters)
* Willing to provide a baseline urine sample to verify smoking status
* Able to read English
* Access to working telephone for phone-based counseling and surveys
* Access to a computer with internet access
* Provide written informed consent

Exclusion Criteria:

* Prior to concurrent enrollment in this study through a different college campus or in a different academic year
* those who have used a cessation aid within the last 7 days
* pregnant or planning to become pregnant in next 3 months
C: Inclusion Criteria:

* Smoking 35 or more cigarettes per week or 5 or more cigarettes per day,
* Smoking for at least 2 years, with no period of abstinence longer than 3 months.

Exclusion Criteria:

* Using any smoking cessation drugs or nicotine replacement drugs in the last 3 months,
* Use of medication to treat depression or any psychiatric illness,
* Impaired renal function,
* Unstable medical condition,
* Pregnancy or breast feeding.
D: Inclusion Criteria:

* Veteran status
* 18 + years of age
* Smoke cigarettes on at least a daily basis
* Receive primary care from the Iowa City VA Health Care System or an affiliated Community-based Outpatient Clinic (CBOC)
* Live in a non-metropolitan area (based on Rural-Urban Commuting Area Codes (RUCA) codes)
* Be willing to make an attempt to quit smoking in the next 30 days
* Be capable of providing informed consent
* Have access to a telephone (land line or cell phone)
* Have a stable residence

Exclusion Criteria:

* Planning to move within the next 12 months
* Presence of a terminal illness
* Pregnancy
* Unstable psychiatric disorder (e.g., acute psychosis)
* Currently pregnant
* Incarcerated
* Institutionalized

Answer: C