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

Pfizer logo

Pfizer

Status and phase

Completed
Phase 4

Conditions

Depression
Smoking Cessation

Treatments

Drug: placebo
Drug: varenicline

Study type

Interventional

Funder types

Industry

Identifiers

NCT01078298
A3051122

Details and patient eligibility

About

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.

Enrollment

525 patients

Sex

All

Ages

18 to 75 years old

Volunteers

No Healthy Volunteers

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.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Double Blind

525 participants in 2 patient groups, including a placebo group

varenicline
Experimental group
Treatment:
Drug: varenicline
placebo
Placebo Comparator group
Description:
placebo
Treatment:
Drug: placebo

Trial contacts and locations

41

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Data sourced from clinicaltrials.gov

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