157 studies found for:    smoking placebo | Open Studies
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Rank Status Study
1 Recruiting Placebo-controlled Trial of Bupropion for Smoking Cessation in Pregnant Women
Conditions: Smoking;   Nicotine Dependence
Interventions: Drug: Bupropion;   Drug: Placebo
2 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
3 Unknown  Comparative Study of SR Bupropion for Adolescent Smoking Cessation
Conditions: Smoking;   Smoking Cessation
Interventions: Drug: Bupropion;   Drug: Placebo
4 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
5 Recruiting Varenicline and Combined Nicotine Replacement Therapy (NRT) for Smoking Cessation
Condition: Tobacco Use Cessation
Interventions: Drug: Varenicline;   Other: Placebo Patch;   Drug: Nicotine Patch;   Other: Placebo Lozenges;   Drug: Nicotine Lozenge;   Behavioral: Questionnaires;   Behavioral: Counseling;   Behavioral: Phone Calls
6 Unknown  Smoking Cessation Program in the Preadmission Clinic
Condition: Smoking
Interventions: Behavioral: Smoking counseling;   Drug: varenicline;   Drug: placebo
7 Recruiting Acute and Chronic Nicotine Modulation of Reinforcement Learning
Condition: Nicotine Addiction.
Interventions: Drug: Nicotine polacrilex;   Drug: Placebo;   Other: satiety;   Other: abstinence
8 Recruiting The Efficacy of Acetium Lozenges in Intervention for Smoking Cessation
Condition: Smoking Cessation
Interventions: Drug: Acetium Lozenge;   Drug: Placebo
9 Not yet recruiting Effects of GTS-21 on Smoking Behavior and Neurocognitive Functions
Condition: Tobacco Use Disorder
Interventions: Drug: GTS-21;   Drug: Placebo
10 Not yet recruiting Varenicline (Chantix) Treatment for Waterpipe Smoking Cessation
Condition: Nicotine Dependence
Interventions: Drug: Varinecline (Chantix);   Drug: Placebo (for Varenicline);   Behavioral: Behavioral Therapy
11 Not yet recruiting Naltrexone and Bupropion Combination on Obese,Smoking Patients With Schizophrenia
Conditions: Obese;   Cigarette-smoking;   Schizophrenia
Interventions: Drug: Naltrexone;   Drug: Placebo Naltrexone;   Drug: Bupropion;   Drug: Placebo Bupropion
12 Recruiting Smoking Cessation Study In Healthy Adolescent Smokers
Condition: Smoking Cessation
Interventions: Drug: Varenicline 1mg BID;   Drug: Varenicline 0.5mg BID;   Drug: Placebo
13 Recruiting Varenicline for Nicotine Dependence Among Those With HIV/AIDS
Condition: Nicotine Dependence
Interventions: Drug: Varenicline;   Drug: Placebo;   Behavioral: Smoking Cessation Counseling
14 Not yet recruiting Early In-hospital Initiation of Pharmacotherapy for Smoking Cessation, Patients After ACS
Conditions: Acute Coronary Syndrome;   Smoking Cessation
Interventions: Drug: Varenicline;   Drug: placebo
15 Unknown  Effect of Daily Nicotine Patch Application on Mechanical Ventilation Weaning in Smoking Patients
Conditions: Smoking;   Mechanical Ventilation;   Intensive Care
Interventions: Drug: Nicotine patch;   Drug: Placebo
16 Recruiting Effects of Smoking Environments on Craving and Smoking (CameraCue2.0)
Condition: Cigarette Smoking
Interventions: Drug: Nicotine Patch;   Drug: Varenicline;   Drug: Placebo Nicotine Patch;   Drug: Placebo Capsule
17 Recruiting A Study in a Human Laboratory Model of Smoking Behavior
Condition: Smoking
Interventions: Drug: CERC-501;   Drug: Placebo
18 Recruiting Guanfacine Clinical Trial for Smoking Cessation
Condition: Smoking Cessation
Interventions: Drug: Guanfacine;   Drug: Placebo
19 Recruiting Novel Smoking Cessation Drug for Schizophrenia
Condition: Smoking Cessation
Interventions: Drug: Active JNJ Drug;   Drug: Placebo Pill
20 Unknown  Varenicline for Cognitive Deficits and Cigarette Smoking in Schizophrenia - Efficacy and Predictors
Conditions: Schizophrenia;   Cigarette Smoking
Interventions: Drug: Varenicline;   Drug: Placebo for varenicline

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Indicates status has not been verified in more than two years