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Found 190 studies with search of: "smoking cessation" placebo
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Rank Status Study
1 Completed Randomized Study Comparing the Efficacy and Safety of Varenicline Tartrate to Placebo in Smoking Cessation When Subjects Are Allowed to Set Their Own Quit Date
Condition: Smoking Cessation
Interventions: Drug: placebo;   Drug: varenicline
2 Recruiting NicVAX/Placebo as an Aid for Smoking Cessation
Conditions: Smoking Cessation;   Smoking;   Tobacco Cessation
Interventions: Biological: NicVAX vaccine;   Biological: Placebo vaccine
3 Recruiting Efficacy and Safety Study of Nicotine Mint Lozenge (2mg and 4mg) in Smoking Cessation
Condition: Smoking
Interventions: Drug: 2 mg placebo;   Drug: 2 mg nicotine lozenge;   Drug: 4 mg nicotine lozenge;   Drug: 4 mg placebo
4 Recruiting Smoking Cessation Program in the Preadmission Clinic
Condition: Smoking
Interventions: Behavioral: Smoking counseling;   Drug: varenicline;   Drug: placebo
5 Enrolling by invitation Comparison of Varenicline and Placebo for Smoking Cessation in Schizophrenia
Conditions: Cigarette Smoking;   Schizophrenia
Interventions: Drug: varenicline;   Drug: placebo
6 Active, not recruiting Endothelial Function and Autonomic Regulation After Short-term Smoking Cessation: Varenicline Versus Placebo
Condition: Smoking
Interventions: Drug: varenicline;   Drug: placebo
7 Completed Phase II Study to Evaluate the Effectiveness of EVT 302 in Smoking Cessation.
Condition: Smoking Cessation
Interventions: Drug: EVT 302;   Drug: Placebo;   Drug: EVT 302 plus open label Nicotine replacement;   Drug: Placebo plus open label Nicotine Replacement
8 Not yet recruiting Combining Varenicline and Bupropion for Smoking Cessation
Condition: Smoking Cessation
Interventions: Drug: Varenicline;   Drug: Bupropion;   Other: Placebo
9 Not yet recruiting Comparative Study of SR Bupropion for Adolescent Smoking Cessation
Conditions: Smoking;   Smoking Cessation
Interventions: Drug: Bupropion;   Drug: Placebo
10 Recruiting Supplemental Nicotine Administration for Smoking Cessation in Posttraumatic Stress Disorder (PTSD)
Condition: Smoking Cessation
Interventions: Drug: nicotine patch;   Drug: placebo patch
11 Terminated
Has Results 		Study of Lunesta Versus Placebo for Sleep Problems Related to Smoking Cessation and Zyban
Conditions: Insomnia;   Nicotine Dependence
Interventions: Drug: Eszopiclone;   Drug: Bupropion
12 Completed Nalmefene Smoking Cessation Study
Condition: Smoking Cessation
Interventions: Drug: nalmefene;   Other: Placebo
13 Completed Study of TA-NIC to Assess the Efficacy and Safety of the Vaccine as an Aid to Smoking Cessation
Condition: Smoking
Interventions: Biological: TA-NIC;   Biological: Placebo
14 Completed 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)
Condition: Smoking Cessation
Intervention: Drug: Rimonabant
15 Completed A Comparison of Bupropion SR and Placebo for Smoking Cessation
Condition: Tobacco Use Disorder
Intervention: Drug: bupropion sr
16 Completed
Has Results 		Smoking Cessation in Subjects With Mild-to-moderate Chronic Obstructive Pulmonary Disease (COPD).
Condition: Smoking
Interventions: Drug: placebo;   Drug: Varenicline Tartarate
17 Completed Assessing Neuropsychiatric Symptoms Including Depression, Anxiety, Irritability, and Suicidal Thoughts or Behavior in Subjects Quitting Smoking on Varenicline Tartrate or Placebo
Condition: Smoking Cessation
Interventions: Drug: varenicline;   Drug: placebo
18 Active, not recruiting Trial of Nicotine Nasal Spray as an Aid for Smoking Cessation in Schizophrenia
Conditions: Smoking Cessation;   Schizophrenia
Intervention: Drug: Nicotine Nasal Spray
19 Completed Comparison of Efficacy and Safety of Rimonabant 20mg/Day Versus Placebo in Smoking Cessation
Condition: Smoking Cessation
Intervention: Drug: rimonabant
20 Completed A Twelve-Week Study of Varenicline for Safety and Efficacy in Comparison With Placebo for Smoking Cessation
Condition: Smoking Cessation
Intervention: Drug: varenicline

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