159 studies found for:    smoking placebo | Open Studies
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Rank Status Study
1 Recruiting Varenicline In-Patient Study
Condition: Smoking Cessation
Interventions: Behavioral: Smoking counseling;   Drug: Placebo;   Drug: Varenicline
2 Not yet recruiting Placebo-controlled Trial of Bupropion for Smoking Cessation in Pregnant Women
Conditions: Smoking;   Nicotine Dependence
Interventions: Drug: Bupropion;   Drug: Placebo
3 Recruiting Efficacy And Safety Of Smoking Cessation With Varenicline Tartrate In Diabetic Smokers: (DIASMOKE)
Conditions: Smoking Cessation;   Diabetes
Interventions: Drug: varenicline;   Drug: placebo tablet is made of lactose
4 Recruiting Guanfacine Clinical Trial for Smoking Cessation
Condition: Smoking Cessation
Interventions: Drug: Guanfacine;   Drug: Placebo
5 Unknown  Comparative Study of SR Bupropion for Adolescent Smoking Cessation
Conditions: Smoking;   Smoking Cessation
Interventions: Drug: Bupropion;   Drug: Placebo
6 Unknown  Smoking Cessation Program in the Preadmission Clinic
Condition: Smoking
Interventions: Behavioral: Smoking counseling;   Drug: varenicline;   Drug: placebo
7 Not yet recruiting Pilot Study of Nicotine Nasal Spray and Varenicline on Smoking in Methadone-Maintained Patients
Conditions: Cigarette Smoking;   Methadone Maintenance
Interventions: Drug: Nicotine Nasal Spray;   Drug: Varenicline;   Drug: Placebo Nasal Spray;   Drug: Placebo Varenicline
8 Not yet recruiting Reward Sensitivity and Pharmacotherapy for Smoking Cessation
Condition: Tobacco Use Cessation
Interventions: Drug: Varenicline;   Drug: Nicotine Patch;   Drug: Placebo Patch;   Drug: Placebo Tablet;   Behavioral: Questionnaires;   Behavioral: Counseling Sessions;   Other: Lab Session;   Other: Saliva Test
9 Recruiting Varenicline for Nicotine Dependence Among Those With HIV/AIDS
Condition: Nicotine Dependence
Interventions: Drug: Varenicline;   Drug: Placebo;   Behavioral: Smoking Cessation Counseling
10 Recruiting Vitamin C to Decrease Effects of Smoking in Pregnancy on Infant Lung Function
Conditions: Pulmonary Function; Newborn, Abnormal;   Infant Wheeze;   In-utero Nicotine;   Second Hand Smoke
Interventions: Dietary Supplement: Vitamin C +prenatal vitamin;   Dietary Supplement: Placebo tablet+prenatal vitamin
11 Recruiting Varenicline in Drug Treatment
Conditions: Smoking Cessation;   Alcohol Abuse
Interventions: Drug: varenicline;   Drug: placebo
12 Recruiting Nicotine Replacement for Smoking Cessation During Pregnancy
Conditions: Nicotine Dependence;   Smoking Cessation
Intervention: Drug: Nicotrol Inhaler
13 Recruiting Study Evaluating The Safety And Efficacy Of Varenicline and Bupropion For Smoking Cessation In Subjects With And Without A History Of Psychiatric Disorders
Condition: Smoking Cessation
Interventions: Drug: Placebo;   Drug: varenicline tartrate;   Drug: bupropion hydrochloride;   Drug: Nicotine Replacement Therapy Patch
14 Recruiting Acute and Chronic Nicotine Modulation of Reinforcement Learning
Condition: Nicotine Addiction.
Interventions: Drug: Nicotine polacrilex;   Drug: Placebo;   Other: satiety;   Other: abstinence
15 Recruiting Bupropion for Smoking Cessation During Pregnancy
Conditions: Pregnancy Related;   Tobacco Use Disorder
Interventions: Drug: bupropion SR 150 mg tablets or matched placebo;   Behavioral: Smoking Cessation Counseling
16 Recruiting A Smoking Intervention Study Using Scheduled Gradual Reduction With Varenicline to Help With Cessation
Condition: Nicotine Addiction
Interventions: Other: Scheduled Gradual Reduction + Varenicline;   Other: Scheduled Gradual Reduction + Placebo Drug;   Other: Basic Advice + Varenicline;   Other: Basic Advice + Placebo Drug
17 Recruiting A Safety and Cognitive Function Study of EVP-6124 Versus Placebo in Subjects With Nicotine Dependence
Conditions: Nicotine Dependence;   Smoking Cessation
Interventions: Drug: EVP-6124;   Drug: Placebo Capsule;   Drug: NicoDerm CQ Patch (Active);   Drug: NRT Patch (Placebo);   Behavioral: Brief Supportive and Behavioral Treatment
18 Recruiting Naltrexone for At-Risk and Problem Drinking in Smoking Cessation Treatment
Conditions: Hazardous Drinking;   Cigarette Smoking
Interventions: Drug: Naltrexone;   Drug: Placebo
19 Recruiting Efficacy of Varenicline on Smoking Cessation at the Acute Phase of an Exacerbation of Chronic Obstructive Pulmonary Disease
Conditions: Chronic Obstructive Pulmonary Disease;   COPD Exacerbation;   Smoking
Interventions: Drug: Varenicline;   Drug: placebo
20 Recruiting Smoking Cessation Study In Healthy Adolescent Smokers
Condition: Smoking Cessation
Interventions: Drug: Varenicline 1mg BID;   Drug: Varenicline 0.5mg BID;   Drug: Placebo

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