Please select the eligibility criteria that correspond to the clinical trial below.
Title: Validation of a Novel Paradigm for Screening Medications for Nicotine Dependence
Brief Summary: The goal of the proposed study is to validate an experimental paradigm to assess medication effects on smoking relapse following a brief (3-day) monitored period of smoking abstinence and a programmed cigarette lapse.


Options:
A: Inclusion Criteria:

* Self-identified African American
* Smokes ≥ 1 cigarette per day (cpd)
* Smoke on ≥ 25 days of the past 30 days
* Functioning telephone
* Interested in quitting smoking
* Interested in taking 3 months of varenicline
* Willing to complete all study visits

Exclusion Criteria:

* Renal impairment
* Evidence or history of clinically significant allergic reactions to varenicline
* A cardiovascular event in the past month
* History of alcohol or drug dependence in the past year
* Major depressive disorder in the last year requiring treatment
* History of panic disorder, psychosis, bipolar disorder, or eating disorders
* Use of tobacco products other than cigarettes in past 30 days
* Use of pharmacotherapy in the month prior to enrollment, including prior use of varenicline
* Pregnant, contemplating getting pregnant, or breastfeeding
* Plans to move from Kansas City during the treatment and follow-up phase
* Another household member enrolled in the study
* Evidence of current severe major depressive disorder or suicidal ideation
B: 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.
C: Inclusion Criteria:

* males and females
* over age 18
* used smokeless tobacco every day for the past year (confirmed with urinary cotinine)
* residing within 100km of New Dehli for the next 4 months
* interested in quitting use of smokeless tobacco.

Exclusion Criteria:

* currently enrolled or plan to enroll in another tobacco cessation program in the next 4 months
* plan to use other smoking cessation treatments in the next 4 months
* smoke cigarettes
* have current substance abuse (e.g., opioids, cocaine, marijuana) verified by urine drug screen
* have current (last 6-months) alcohol consumption that exceeds 25 standard drinks/week (if past abuse, must be symptom free for ≥ the past 12 months)
* Current use or discontinuation within last 14 days of:

  1. smoking cessation medications (bupropion, Varenicline, NRT);
  2. antipsychotics, atypicals, mood-stabilizers, anti-depressants (tricyclics, SSRIs, MAOIs), anti-panic agents, anti-obsessive agents, anti-anxiety agents, stimulants;
  3. Anti-coagulants;
  4. Daily medication for asthma or diabetes (eligible with physician approval);
* are pregnant, planning a pregnancy, or lactating
* have a history or current diagnosis of psychosis, general anxiety disorder,bipolar disorder, or schizophrenia
* have a current diagnosis of depression (if past diagnosis, must be symptom free for ≥ the past 12 months)
* have an allergy to Varenicline
* ever contemplated or attempted suicide
* have serious/unstable disease within the past 6 months (e.g., cancer \[but melanoma\], heart disease, HIV/AIDS)
* have a history of epilepsy or seizure disorder
* have a history or diagnosis within the last 6 months of abnormal rhythms and/or tachycardia (\>100 beats/minute)
* have a history or current diagnosis of COPD; cardiovascular disease (stroke, angina); heart attack in the last 6 months; and/or uncontrolled hypertension (SBP\>150 or DBP\>90)16)
* have a history of kidney or liver failure
* have any medical condition or medication that could compromise safety as determined by a study physician
* cannot provide informed consent or complete the study tasks as determined by the Principal Investigator or study physician.
D: Inclusion Criteria:

* Eligible participants will be 68 (34 male and 34 female) smokers aged 18-65, who smoke ≥ 10 cigarettes per day, provide a baseline CO reading ≥ 10 ppm and who plan to live in the area for the next 6-months.

Exclusion Criteria:

* Smoking Behavior

  1. Use of chewing tobacco or snuff
  2. Current enrollment or plans to enroll in another smoking cessation program in the next 5 months
  3. Plan to use other nicotine substitutes or smoking cessation treatments in the next 5 months
  4. Provide a baseline CO reading \< 10 ppm

Alcohol/Drug Exclusion Criteria

1. History of substance abuse and/or currently receiving treatment for substance abuse (e.g., alcohol, opioids, cocaine, marijuana, or stimulants)
2. Current alcohol consumption that exceeds \>25 standard drinks/week

Medication Exclusion Criteria

1. Current use or recent discontinuation (within last 14-days) of the following medications:

1. Any form of smoking cessation medication (zyban, wellbutrin, wellbutrin SR, Chantix, NRT)
2. Any form of anti-psychotic medications that includes:

   * antipsychotics,
   * atypical antipsychotics,
   * mood-stabilizers,
   * anti-depressants (tricyclics, SSRI's, MAOI's),
   * anti-panic agents,
   * anti-obsessive agents,
   * anti-anxiety agents, and
   * stimulants (e.g., Provigil, Ritalin).
3. Medication for chronic pain
4. Anti-coagulants
5. Any heart medications
6. Daily medication for asthma

Medical Exclusion Criteria

1. Women who are pregnant, planning a pregnancy, or lactating.
2. History or current diagnosis of psychosis, major depression or bipolar disorder, schizophrenia, or any Axis 1 disorder as identified by the SCID.
3. Serious or unstable disease within the past 6 months (e.g., cancer \[except melanoma\], heart disease, HIV).
4. History of epilepsy or a seizure disorder.
5. History or current diagnosis (last 6-months) of abnormal rhythms and/or tachycardia (\>100 beats/minute); history or current diagnosis of COPD, cardiovascular disease (stroke, angina, coronary heart disease), heart attack in the last 6 months, uncontrolled hypertension (SBP\>150 or DBP\>90)
6. History of Kidney and/or liver failure (including transplant).
7. Wears a device to aid in hearing (hearing aid, cochlear implant, etc.).
8. Hearing threshold \< 40 dB SPL at 1000 Hz.
9. Color blindness.

General Exclusion

1. Any medical condition or concomitant medication that could compromise participant safety or treatment, as determined by the Principal Investigator and/or Study Physician.
2. Inability to provide informed consent or complete any of the study tasks as determined by the Principal Investigator and/or Study Physician.
3. Any physical or visual impairment that may prevent the individual from using a computer keyboard or completing any study tasks.

Answer: D