| Evaluating a Telephone-Based Smoking Cessation Program Among People in the Military (The AFIII Study) (NCT00632411) | University of Tennessee | 2008-04-01 |
| A Single Dose Study Investigating the Absorption and Elimination as Well as the Tolerability of Varenicline Transdermal Delivery System (e.g., a Patch) as Compared to Oral Varenicline in Adult Smokers. (NCT00661765) | Pfizer | 2008-04-01 |
| Message Priming and Enrollment in, and Response to, a Smoking Cessation Program: A Pilot Study (NCT00596882) | University of Pennsylvania | 2008-02-01 |
| Effects of EVT 302 With or Without NRT on Craving and Withdrawal in Healthy Male Smokers Deprived of Cigarettes (NCT00622752) | Evotec Neurosciences GmbH | 2008-02-01 |
| Combined Treatment for Tobacco and Alcohol Use (NCT00592085) | M.D. Anderson Cancer Center | 2007-12-01 |
| Waterpipe Cessation Intervention Study (NCT01135173) | University of Memphis | 2007-11-01 |
| Multiple Dose, Dose Escalation Study of Varenicline Controlled Release Formulation in Adult Smokers (NCT00527150) | Pfizer | 2007-10-01 |
| Pennsylvania Adolescent Smoking Study (PASStudy) (NCT00381329) | Pennsylvania Department of Health | 2007-09-01 |
| Affect Regulation Training for Pregnant Smokers (NCT01163864) | State University of New York at Buffalo | 2007-09-01 |
| Varenicline and Nicotine Interactions in Humans (VA) (NCT00606892) | Yale University | 2007-08-01 |
| Yoga for Smoking Cessation Feasibility Study (NCT01030068) | The Miriam Hospital | 2007-07-01 |
| Smoking Cessation in Alcoholics (NCT00963482) | University Hospital, Basel, Switzerland | 2007-07-01 |
| Post Marketing Surveillance Study To Observe Safety And Efficacy Of Champix® Tablets (NCT00483002) | Pfizer | 2007-06-01 |
| Promoting Home Smoking Restrictions: Biomarker Feedback to Smoking and Non-Smoking Adults (NCT01497158) | University of Minnesota | 2007-06-01 |
| A Phase I Study to Evaluate the Pharmacokinetics of Multiple Doses of Varenicline in Healthy Adolescent Smokers (NCT00463918) | Pfizer | 2007-05-01 |
| Interventions for Smoking Among Persons in Recovery (NCT00714896) | University of California, San Francisco | 2007-04-01 |
| Smoking Reduction and Cessation Interventions for Chinese (NCT00714532) | University of California, San Francisco | 2007-04-01 |
| Efficacy and Safety of Surinabant Treatment as an Aid to Smoking Cessation (SURSMOKE) (NCT00432575) | Sanofi | 2007-01-01 |
| Effectiveness of Tropisetron Plus Risperidone for Improving Cognitive and Perceptual Disturbances in Schizophrenia (NCT00435370) | Baylor College of Medicine | 2006-11-01 |
| PROS Smokebusters: Adolescent Smoking Cessation in Pediatric Primary Care (NCT00135265) | University of Rochester | 2006-10-01 |
| Behavioral Therapy for Reduction in Smoking Craving (NCT00449293) | University of Pittsburgh | 2006-10-01 |
| Efficacy and Safety of Dianicline Treatment as an Aid to Smoking Cessation in Cigarette Smokers (AMERIDIAN) (NCT00387946) | Sanofi | 2006-09-01 |
| An Investigation of Effectiveness and Safety of Varenicline Tartrate in Helping People Quit Smoking (NCT00371813) | Pfizer | 2006-09-01 |
| What Are the Effects of Varenicline Compared With Nicotine Replacement Therapy on Long Term Smoking Cessation and Clinically Important Outcomes? (NCT02681848) | University of Bristol | 2006-09-01 |
| Nicotine Patch Trial in Syrian Primary Care Settings (NCT01085032) | University of Memphis | 2006-08-01 |
| Efficacy of NicVAX in Smokers Who Want to Quit Smoking (NCT00318383) | National Institute on Drug Abuse (NIDA) | 2006-05-01 |
| Smoking Cessation in Subjects With Mild-to-moderate Chronic Obstructive Pulmonary Disease (COPD). (NCT00285012) | Pfizer | 2006-05-01 |
| Preventing Postpartum Relapse to Smoking Using Yoga and Cognitive Behavioral Therapy: A Randomized Pilot Study (NCT00360581) | University of Pittsburgh | 2006-04-01 |
| Promoting Women's Health: A Gender Specific Smoking Cessation Program for Female Smokers in Hong Kong (NCT03717662) | The University of Hong Kong | 2006-04-01 |
| Efficacy and Safety of Varenicline in Smokers With Cardiovascular Disease Who Wish to Quit Smoking (NCT00282984) | Pfizer | 2006-02-01 |
| Smoking Cessation After Hospitalization for a Cardiopulmonary Illness (NCT01791803) | North Shore Medical Center | 2006-01-01 |
| Gradual vs. Abrupt Cessation Treatment for Smoking (NCT00297492) | University of Vermont | 2006-01-01 |
| Pharmacogenetics, Emotional Reactivity and Smoking (NCT00507728) | M.D. Anderson Cancer Center | 2005-12-08 |
| Efficacy of Naltrexone in Women's Smoking Cessation (NCT00271024) | University of Chicago | 2005-12-01 |
| Effect of Ethanol and Genetic Polymorphisms on Bupropion Metabolism (NCT00330434) | Tufts University | 2005-12-01 |
| Adjustment of DOses of NIcotine in Smoking Cessation (ADONIS) (NCT00235313) | Assistance Publique - Hôpitaux de Paris | 2005-10-01 |
| PROS Brief Smoking Cessation Counseling in Pediatric Practice to Reduce Secondhand Smoke Exposure of Young Children (NCT00135213) | University of Rochester | 2005-10-01 |
| Sustaining Smoking Cessation in Smokers With Kids With Asthma (NCT00862368) | The Miriam Hospital | 2005-10-01 |
| Examining the Effect of the Nicotine Patch in Male and Female Smokers - 3 (NCT00390559) | Virginia Commonwealth University | 2005-10-01 |
| Intervention for Support Persons to Help Smokers Quit (NCT00379054) | Mayo Clinic | 2005-09-01 |
| Combination Medications vs. Patch Alone for Medically-Ill Smokers (NCT00770666) | University of Medicine and Dentistry of New Jersey | 2005-09-01 |
| Effectiveness of Reducing Smoking in Facilitating Smoking Cessation in Adolescents - 2 (NCT00158158) | National Institute on Drug Abuse (NIDA) | 2005-09-01 |
| Nalmefene Smoking Cessation Study (NCT00202696) | Somaxon Pharmaceuticals | 2005-09-01 |
| Analysis of Aldehyde Biomarkers of Exposure and Host Response (NCT00482690) | University of Nebraska | 2005-08-23 |
| Photoirritation and Photoallergic Potential of a New Nicotine Patch (NCT00966901) | McNeil AB | 2005-08-01 |
| Helping Youth Smokers Stop Smoking Through the Youth Quitline Programme (NCT02758028) | The University of Hong Kong | 2005-08-01 |
| The Safety of Transdermal Nicotine Immediately Following an Acute Coronary Syndrome (NCT00990197) | Sir Mortimer B. Davis - Jewish General Hospital | 2005-06-01 |
| Skin Sensitization Potential of a New Nicotine Patch (NCT00967070) | McNeil AB | 2005-05-01 |
| Cumulative Skin Irritation Potential of a New 25 mg Nicotine Patch (NCT00967174) | McNeil AB | 2005-05-01 |
| Cumulative Skin Irritation Potential of a New 15 mg Nicotine Patch (NCT00965913) | McNeil AB | 2005-05-01 |
| Effectiveness of Bupropion for Smokers Recovering From Alcohol Dependence (NCT00304707) | National Institute on Drug Abuse (NIDA) | 2005-04-01 |
| Biomarkers of Molecular Risk in Smokers (NCT00598143) | Memorial Sloan Kettering Cancer Center | 2005-02-01 |
| A Twelve-Week Study of Varenicline for Safety and Efficacy in Comparison With Placebo for Smoking Cessation (NCT00141167) | Pfizer | 2005-02-01 |
| Worksite Phone Counseling for Smoking Cessation (NCT02730260) | Washington University School of Medicine | 2005-02-01 |
| Effectiveness of Regular Reporting of Spirometric Results on Smoking Quit Rate. (NCT01296295) | Fundacio d'Investigacio en Atencio Primaria Jordi Gol i Gurina | 2005-01-01 |
| Telephone-based Treatment for Smoking Cessation (NCT01121887) | Karolinska Institutet | 2005-01-01 |
| Anxiety Sensitivity Program for Smoking Cessation (NCT00387049) | University of Vermont | 2005-01-01 |
| An Open Label Study That Compares Varenicline to Transdermal Nicotine Patch for Smoking Cessation (NCT00143325) | Pfizer | 2005-01-01 |
| 12 Week Evaluation of the Safety and Efficacy of 3 Doses of CP-526,555 and Placebo for Smoking Cessation (NCT00139750) | Pfizer | 2004-12-01 |
| Safety and Effectiveness of NicVAX in Treating Nicotine Dependent Individuals (NCT00218413) | Nabi Biopharmaceuticals | 2004-10-01 |
| Smoking Reduction Intervention for Smokers Not Willing to Quit Smoking: a Randomised Control Trial (NCT00563329) | Hospital Authority, Hong Kong | 2004-10-01 |
| Efficacy and Safety of Rimonabant as an Aid to Smoking Cessation With or Without Nicotine Patch (NCT00458718) | Sanofi | 2004-09-01 |
| Smokers' Quitline for Asian Language Speakers (NCT01248832) | University of California, San Diego | 2004-08-01 |
| Quit Smoking Program for Lung Cancer Patients' Families (The Family Ties Project) (NCT00345891) | Duke University | 2004-06-01 |
| Smoking Cessation Aid for Young Smokers (NCT00340483) | Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) | 2004-05-25 |
| In-vivo Extraction of Lead, Cadmium and Tobacco Specific Nitrosamines From Swedish 'Snus' in Regular Snus Users (NCT01838473) | Contract Research Organization el AB | 2004-05-01 |
| In-vivo Extraction of Pb, Cd and TSNA From Swedish Snus (NCT01369693) | Contract Research Organization el AB | 2004-05-01 |
| In-vivo Extraction of Pb, Cd andTSNA From Swedish Snus (NCT01249339) | Contract Research Organization el AB | 2004-05-01 |
| Comparison of Efficacy and Safety of Rimonabant 20mg/Day Versus Placebo in Smoking Cessation (NCT00464256) | Sanofi | 2004-04-01 |
| Smoking Cessation Intervention in Acute Orthopedic Surgery (NCT00704015) | Karolinska Institutet | 2004-02-01 |
| A Randomized Controlled Trial on Smoking Cessation and Adherence Intervention on Patients With Erectile Dysfunction (NCT00563511) | Hospital Authority, Hong Kong | 2004-01-01 |
| A 52-Week Placebo-Controlled Study Evaluating the Safety of Varenicline (NCT00143299) | Pfizer | 2003-10-01 |
| ISTAPS: A Stepped Primary Care Smoking Cessation Intervention (NCT00125905) | Fundacio d'Investigacio en Atencio Primaria Jordi Gol i Gurina | 2003-10-01 |
| A Twelve-Week Study of Varenicline for Safety and Efficacy in Comparison With Placebo and Zyban for Smoking Cessation (NCT00143364) | Pfizer | 2003-06-01 |
| Pager-Assisted Smoking Cessation Treatment (NCT01207310) | University of California, San Francisco | 2003-05-01 |
| A Twelve-Week Study of Varenicline for Safety and Efficacy in Comparison With Placebo and Zyban for Smoking Cessation (NCT00141206) | Pfizer | 2003-05-01 |
| A 52-Week Multicenter Study Evaluating the Safety and Efficacy of Varenicline for the Maintenance of Smoking Cessation (NCT00143286) | Pfizer | 2003-04-01 |
| Mood and Smoking: A Comparison of Smoking Cessation Treatments (NCT00075972) | US Department of Veterans Affairs | 2003-03-01 |
| Increasing Physical Activity as Part of a Smoking Cessation Program (NCT00403312) | National Heart, Lung, and Blood Institute (NHLBI) | 2003-01-01 |
| Comparison of Efficacy and Safety of Rimonabant 5mg/Day or 20mg/Day Versus Placebo in Smoking Cessation (NCT00464165) | Sanofi | 2002-11-01 |
| Comparison of the Efficacy and Safety of 2 Oral Doses of Rimonabant, 5 mg/Day or 20 mg/Day, Versus Placebo, as an Aid to Smoking Cessation (STRATUS US) (NCT00358228) | Sanofi | 2002-09-01 |
| A Randomized Controlled Trial of a Nurse Delivered Stage-matched Smoking Cessation Intervention to Promote Heart Health of Cardiac Patients (NCT00563199) | Hospital Authority, Hong Kong | 2002-03-01 |
| A Randomized Clinical Trial Assessing Smoking Cessation Interventions In Dental Clinic Smokers (NCT00591175) | Memorial Sloan Kettering Cancer Center | 2001-12-01 |
| 12 Week Evaluation of the Safety and Efficacy of a Flexible Dose of CP-526,555 and Placebo for Smoking Cessation (NCT00150228) | Pfizer | 2001-12-01 |
| Smoking Cessation and Relapse Prevention in Women Postpartum (NCT00475046) | University Medicine Greifswald | 2001-10-01 |
| Bupropion for Smoking Cessation in Pregnancy (NCT01875172) | Watching Over Mothers & Babies Foundation | 2001-10-01 |
| Facilitating Implementation of the PHS Smoking Cessation Guidelines - RESET (NCT00057070) | US Department of Veterans Affairs | 2001-10-01 |
| Efficacy of Proactive Telephone Counseling for Pregnant Smokers Enrolled in a Managed Care Organization (NCT00181909) | Massachusetts General Hospital | 2001-09-01 |
| 12 Week Evaluation of the Safety and Efficacy of 4 Dosing Strategies of CP-526,555 and Placebo for Smoking Cessation. (NCT00150254) | Pfizer | 2001-09-01 |
| Treating Chinese Smokers With Interactive Expert System (NCT00713895) | University of California, San Francisco | 2001-08-01 |
| Pharmacological Aids for Interactive Smoking Cessation (NCT02329249) | Oregon Center for Applied Science, Inc. | 2001-02-01 |
| Physiological, Cognitive and Cerebral Activity Changes as a Function of Cigarette Smoking (With or Without Nicotine) and Tobacco Abstinence (NCT01034384) | National Institute on Drug Abuse (NIDA) | 2000-12-05 |
| Hutchinson Study of High School Smoking (NCT00115882) | Fred Hutchinson Cancer Center | 2000-09-01 |
| Nicotine Substitute Prescribed at Hourly Intake or ad Libitum for Heavy Smokers Willing to Quit (NCT00861276) | University of Lausanne | 2000-06-01 |
| Efficacy and Cost of State Quitline Policies (NCT00366977) | Kaiser Permanente | 2000-06-01 |
| A Seven-Week Dose-Ranging Study of CP-526,555 Compared With Placebo and Zyban for Smoking Cessation (NCT00150241) | Pfizer | 2000-02-01 |
| Bio-behavioral Lung Cancer Prevention Program (NCT00322205) | National Institutes of Health (NIH) | 1999-06-01 |
| Smoking Reduction or Cessation With Nicotine Replacement Therapy (NCT00840242) | McNeil AB | 1999-02-01 |
| Motivation and Patch Treatment for HIV-positive Smokers (NCT00551720) | National Institute on Drug Abuse (NIDA) | 1999-01-01 |
| Motivation and Nicotine Patch Treatment for Under-served Smokers (NCT01684995) | The Miriam Hospital | 1996-12-01 |