Status:
COMPLETED
Mechanistic Evaluations of Pre-Cessation Therapies for Smoking Cessation
Lead Sponsor:
Duke University
Collaborating Sponsors:
National Institute on Drug Abuse (NIDA)
Conditions:
Nicotine Dependence
Eligibility:
All Genders
18-50 years
Phase:
PHASE3
Brief Summary
The purpose of this study is to look at brain function in order to understand how different treatments work to help people quit smoking. In this study, the investigators will look at the effects of ni...
Eligibility Criteria
Inclusion
- Are generally healthy;
- Are 18-50 years old;
- Smoke an average of at least 10 cigarettes per day for at least three cumulative years;
- Have an afternoon expired air carbon monoxide (CO) reading of at least 10ppm;
- Are right-handed as measured by a two-item scale used in our laboratory;
- Express a desire to quit smoking in the next thirty days.
- Potential subjects must agree to use acceptable contraception during their participation in this study.
- Potential subjects must agree to avoid the following during their participation in this study:
- participation in any other nicotine-related modification strategy outside of this protocol;
- use of tobacco products other than cigarettes, including pipe tobacco, cigars, e-cigarettes, snuff, and chewing tobacco;
- use of experimental (investigational) drugs or devices;
- use of illegal drugs;
- use of opiate medications.
Exclusion
- Inability to attend all required experimental sessions;
- Presence of conditions that would make MRI unsafe (e.g. pacemaker);
- Hypertension (systolic \>140 mm Hg, diastolic \>100 mm Hg, coupled with a history of hypertension); subjects with no previous diagnosis of hypertension may have a screening blood pressure up to 160/100.
- Hypotension with symptoms (systolic \<90 mm Hg, diastolic \<60 mm Hg).
- Coronary heart disease;
- Lifetime history of heart attack;
- Cardiac rhythm disorder (irregular heart rhythm);
- Chest pains (unless history, exam, and ECG clearly indicate a non-cardiac source);
- Cardiac (heart) disorder (including but not limited to valvular heart disease, heart murmur, heart failure);
- History of skin allergy;
- Active skin disorder (e.g., psoriasis) within the last five years, except minor skin conditions (including but not limited to facial acne, minor localized infections, and superficial minor wounds);
- Liver or kidney disorder (except kidney stones, gallstones);
- Gastrointestinal problems or disease other than gastroesophageal reflux or heartburn;
- Active ulcers in the past 30 days;
- Lung disorder (including but not limited to Chronic obstructive pulmonary disease (COPD), emphysema, and asthma);
- Brain abnormality (including but not limited to stroke, brain tumor, and seizure disorder);
- Migraine headaches that occur more frequently than once per week;
- Recent, unexplained fainting spells;
- Problems giving blood samples;
- Diabetes;
- Current cancer or treatment for cancer in the past six months (except basal or squamous cell skin cancer);
- Other major medical condition;
- Current psychiatric disease (with the exception of anxiety disorders, Obsessive-compulsive disorder (OCD) and Attention deficit hyperactivity disorder (ADHD));
- Bulimia or anorexia;
- Suicidal ideation (within the past 10 years) or lifetime occurrence of attempted suicide;
- Current depression;
- Pregnant or nursing mothers;
- Alcohol abuse;
- Significant adverse reaction to nicotine patch, bupropion/Wellbutrin/Zyban or Chantix/Varenicline in the past.
- Use (within the past 30 days) of:
- Illegal drugs (or if the urine drug screen is positive);
- Experimental (investigational) drugs;
- Psychiatric medications including antidepressants, anti-psychotics or any other medications that are known to affect smoking cessation (e.g. clonidine);
- Smokeless tobacco (chewing tobacco, snuff), cigars or pipes;
- Nicotine replacement therapy or any other smoking cessation aid.
- Use (within the past 14 days) of:
- Opiate medications for pain or sleep (non-opiate medication for pain or sleep will be allowed).
Key Trial Info
Start Date :
July 1 2011
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
June 1 2014
Estimated Enrollment :
282 Patients enrolled
Trial Details
Trial ID
NCT01406223
Start Date
July 1 2011
End Date
June 1 2014
Last Update
November 14 2017
Active Locations (2)
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1
Duke Center for Nicotine and Smoking Cessation Research
Durham, North Carolina, United States, 27705
2
Duke Center for Nicotine and Smoking Cessation Research
Raleigh, North Carolina, United States, 27609