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Safety And Efficacy Of 12 Weeks Of Varenicline For Smoking Cessation In Smokers With Depression

Phase 4
Completed
Conditions
Smoking Cessation
Depression
Interventions
Drug: placebo
Registration Number
NCT01078298
Lead Sponsor
Pfizer
Brief Summary

Patients with depression tend to have a higher prevalence of smoking as well as increased severity of nicotine dependence. Phase 2 and Phase 3 varenicline clinical trials that demonstrated its efficacy and tolerability have not included subjects with depression. This smoking cessation study focuses on the depressed population and will assess the efficacy and safety of varenicline.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
525
Inclusion Criteria
  • Male or female cigarette smokers, 18-75 years, motivated to stop smoking and considered suitable for a smoking cessation attempt
  • Smoked an average of at least 10 cigarettes per day during past year and over past month, and exhaled carbon monoxide (CO) > 10 ppm at screening
  • Current or past diagnosis of MDD without psychotic features, either single or recurrent, using DSM IV TR based on clinical assessment and confirmed by SCID and at least one of the following:
  • On stable antidepressant treatment for MDD (stable dose for at least 2 months)
  • Major depressive episode, using DSM IV TR, in the past 2 years successfully treated
Exclusion Criteria
  • Current or past diagnosis of dementia, schizophrenia, schizoaffective disorder, or other psychotic disorder, bipolar I disorder, bipolar II disorder.
  • Subjects with antisocial, schizotypal, or any other personality disorder severe enough to compromise the subject's ability to comply with the study requirements..
  • Current use of either bupropion or nortryptiline.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
vareniclinevarenicline-
placeboplaceboplacebo
Primary Outcome Measures
NameTimeMethod
Percentage of Participants With a Four-Week Continuous Quit Rate (CQR)Week 9 through Week 12

Percentage of participants who reported no use of nicotine-containing products by answering "No" to the nicotine use inventory (NUI) questions: 'Has the participant smoked cigarettes' and 'Has the participant used other nicotine-containing products' in the last 7 days (Week 9) or since last study visit (Week 9 through 12) confirmed by a measurement of an end-expiratory exhaled carbon monoxide (CO) measurement less than or equal to 10 parts per million (ppm).

Secondary Outcome Measures
NameTimeMethod
Number of Participants With 4-Week Point Prevalence (PP) of AbstinenceWeek 52

Number of participants at Week 52 visit reporting no smoking and no use of other tobacco products in the last 4 weeks confirmed by a measurement of an end-expiratory exhaled CO measurement less than or equal to 10 ppm.

Percentage of Participants With Continuous Abstinence Rate (CAR)Week 9 through Week 24, Week 9 through Week 52

Percentage of participants who remained abstinent from the period defined as start of the primary endpoint (Week 9) through Week 24 and the end of follow-up (Week 52) by reporting no use of nicotine-containing products confirmed by a measurement of an end-expiratory exhaled CO measurement less than or equal to 10 ppm.

Number of Participants With 7-day Point Prevalence (PP) of AbstinenceWeeks 12, 24, 52

Number of participants reporting no use of nicotine-containing products in the last 7 days confirmed by a measurement of an end-expiratory exhaled CO measurement less than or equal to 10 ppm.

Trial Locations

Locations (38)

Comprehensive Psychiatric Care

🇺🇸

Norwich, Connecticut, United States

Clinical Neuroscience Solutions Incorporated

🇺🇸

Orlando, Florida, United States

Ludwig Maximilians-Universitaet Muenchen

🇩🇪

Muenchen, Germany

"Poliklinika Neuron" - Croatian Institute for Brain Research

🇭🇷

Zagreb, Croatia

Universitaetsklinik Tuebingen, Klinik fuer Psychiatrie und Psychotherapie

🇩🇪

Tuebingen, Germany

Spitalul Psihiatrie "Prof. Dr. Al. Obregia"

🇷🇴

Bucuresti, Sector 4, Romania

Moscow State Healthcare Institution Clinical Mental Hospital No 12

🇷🇺

Moscow, Russian Federation

Clinical Trials of Memphis

🇺🇸

Bartlett, Tennessee, United States

Claghorn-Lesem Research Clinic, Ltd.

🇺🇸

Houston, Texas, United States

Centro de Salud Mental Ii "La Corredoria"

🇪🇸

Oviedo, Asturias, Spain

Vince and Associates Clinical Research

🇺🇸

Overland, Kansas, United States

Heartland Research Associates, LLC

🇺🇸

Wichita, Kansas, United States

University of Cincinnati

🇺🇸

Cincinnati, Ohio, United States

Bekes Megyei Kepviselotestulet Pandy Kalman Korhaza, Pszichiatriai Osztaly

🇭🇺

Gyula, Hungary

Collaborative Neuroscience Network, Inc.

🇺🇸

Garden Grove, California, United States

Emerald Coast Mood & Memory, PA

🇺🇸

Fort Walton Beach, Florida, United States

NorthCoast Clinical Trials Inc.

🇺🇸

Beachwood, Ohio, United States

CRI Worldwide LLC

🇺🇸

Philadelphia, Pennsylvania, United States

Psychiatric Clinic, Clinical Center Banja Luka

🇧🇦

Banja Luka, Bosnia and Herzegovina

FutureSearch Trials

🇺🇸

Austin, Texas, United States

Clinic of Psychiatry, Clinical Center University of Sarajevo

🇧🇦

Sarajevo, Bosnia and Herzegovina

Universitaetsklinikum Freiburg

🇩🇪

Freiburg, Germany

Psychiatric Hospital Vrapce

🇭🇷

Zagreb, Croatia

Processus Kft., Varoskapu Rendelo

🇭🇺

Budapest, Hungary

Donatella 99 Bt.

🇭🇺

Szentes, Hungary

Fejer Megyei Szent Gyorgy Korhaz, Pszichiatriai Osztaly

🇭🇺

Szekesfehervar, Hungary

Spitalul Clinic de Psihiatrie Prof. Dr. Al. Obregia, sectia 2

🇷🇴

Bucuresti, Romania

Federal State Institution Moscow Scientific Research Institute of Psychiatry of Roszdrav

🇷🇺

Moscow, Russian Federation

Spitalul Clinic de Psihiatrie Socola, sectia VII

🇷🇴

Iasi, Romania

Institution of Russian Academy of Medical Sciences Mental Health Research Center

🇷🇺

Moscow, Russian Federation

Hospital de La Santa Creu I Sant Pau

🇪🇸

Barcelona, Spain

St-Petersburg State Healthcare Institution St. Nicholas Mental Hospital

🇷🇺

St-Petersburg, Russian Federation

Hospital General de La Vall D'Hebron

🇪🇸

Barcelona, Spain

Centro de Salud Torrero La Paz

🇪🇸

Zaragoza, Spain

Behavioral Health and Wellness Program, University of Colorado Denver

🇺🇸

Aurora, Colorado, United States

California Neuroscience Research Medical Group, Inc

🇺🇸

Sherman Oaks, California, United States

Fovarosi Onkormanyzat Nyiro Gyula Korhaz, II. Pszichiatriai Osztaly

🇭🇺

Budapest, Hungary

Varosi Egeszsegugyi Kozpont

🇭🇺

Kunszentmarton, Hungary

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