Please select the eligibility criteria that correspond to the clinical trial below.
Title: Genetically Informed Smoking Cessation Trial
Brief Summary: The investigators' goal is to identify the most appropriate smoking cessation treatments for smokers based on genetic information. Smokers try to quit smoking but relapses are common.


Options:
A: Inclusion Criteria:

* Smoke 3-30 cigarettes/day
* Desire to quit smoking as indicated on a smoking stages ladder
* Consume \>14 (men) or \>7 (women) standard alcohol drinks per week (e.g., 1 drink = 12 oz beer, 5 oz wine, 1.5 oz liquor)
* Ability to understand, read, and write in English, at least 8th grade education
* Willing and able to sign an informed consent
* Stable residence and contact information.

Exclusion Criteria:

* Hepatic panel indices \> 2 SD
* History of seizures or DTs during alcohol withdrawal
* Unstable medical (e.g., hepatitis, cirrhosis, seizure disorder, recent major cardiovascular event, etc.) or psychiatric disorder (e.g., active hallucinations, severe depression, obsessional thinking, self-injury risking significant blood loss, etc.) deemed by the study physician to be at significant risk for adverse interactions with study medications or measures.
* History of adverse reactions to varenicline (VAR) or nicotine patch
* Current suicidal ideation (past 6 months) and/or history of major suicide attempts.
* For women of child-bearing potential: currently pregnant, lactating, current plans to become pregnant in next three months, or unable to agree to adequate birth control during study participation.
B: Inclusion Criteria:

* Smokers seeking treatment
* Aged 18 and over
* Consenting to take part in the trial

Exclusion Criteria:

* Pregnant or breastfeeding
* End-stage renal disease
* Unable to fill in questionnaires in English
* Previous allergy to Varenicline
* Previous allergy to Nicotine Patches Previous allergy to varenicline
C: Inclusion Criteria:

* Subjects must have smoked an average of at least 15 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 with clinically significant cardiovascular disease in the past 6 months.
D: Inclusion Criteria:

1. Adult (≥21 years of age), seeking treatment for smoking cessation.
2. Able to speak English,
3. Active smoking (Cigarettes Per Day (CPD) ≥5), and exhaled Carbon Monoxide (CO) ≥8 ppm
4. Agree to participate in this randomized smoking cessation trial with follow up assessments up to 12 months.

Exclusion Criteria:

1. Pregnancy or breast feeding,
2. Active use or recent use (\< or equal to 1 month) of medication or e-cigarettes for nicotine dependence/smoking cessation, or use of e-cigarettes for more than 9 days in the prior month,
3. Allergy to nicotine patch, lozenge, or varenicline,
4. Unwillingness to prevent pregnancy during the medication phase and 1 month afterwards (women only),
5. Significant cardiac conditions (myocardial infarction, unstable angina, coronary angioplasty, cardiac bypass) or serious arrhythmia in past 6 months,
6. Current heavy alcohol consumption (≥6 drinks/day, 6 days/week),
7. Active psychosis or poorly controlled depression within the past 6 months,
8. Any prior suicide attempt or suicidal ideation within the past 6 months,
9. End stage renal disease with hemodialysis.

Answer: D