Assessing Neuropsychiatric Symptoms Including Depression, Anxiety, Irritability, and Suicidal Thoughts or Behavior in Subjects Quitting Smoking on Varenicline Tartrate or Placebo

NCT ID: NCT00749944

Last Updated: 2010-08-31

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE4

Total Enrollment

110 participants

Study Classification

INTERVENTIONAL

Study Start Date

2008-09-30

Study Completion Date

2009-08-31

Brief Summary

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Study objective is to compare neuropsychiatric adverse events in subjects treated with varenicline or placebo in a controlled setting where both groups are experiencing nicotine withdrawal.

Detailed Description

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Conditions

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Smoking Cessation

Keywords

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nicotine withdrawal, smoking cessation, varenicline

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

TRIPLE

Participants Caregivers Investigators

Study Groups

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varenicline

Group Type EXPERIMENTAL

varenicline

Intervention Type DRUG

1 mg tablets twice daily by mouth (after one week of uptitration: 0.5mg once daily for three days, 0.5mg twice daily for four days)

placebo

Group Type PLACEBO_COMPARATOR

placebo

Intervention Type DRUG

1 mg tablets twice daily by mouth (after one week of uptitration: 0.5mg once daily for three days, 0.5mg twice daily for four days)

Interventions

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varenicline

1 mg tablets twice daily by mouth (after one week of uptitration: 0.5mg once daily for three days, 0.5mg twice daily for four days)

Intervention Type DRUG

placebo

1 mg tablets twice daily by mouth (after one week of uptitration: 0.5mg once daily for three days, 0.5mg twice daily for four days)

Intervention Type DRUG

Other Intervention Names

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Chantix, Champix

Eligibility Criteria

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Inclusion Criteria

* smokers who smoke \>10 cigarettes/day and who have at least a moderate level of addiction as measured by the Fagerstrom Test for Nicotine Dependence (score \>5)

Exclusion Criteria

* Any neuropsychiatric disease including depression, history of suicidal thoughts or behavior, bipolar disorder.
* Any unstable medical condition
Minimum Eligible Age

18 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Pfizer

INDUSTRY

Sponsor Role lead

Responsible Party

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Pfizer, Inc.

Principal Investigators

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Pfizer CT.gov Call Center

Role: STUDY_DIRECTOR

Pfizer

Locations

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Pfizer Investigational Site

Austin, Texas, United States

Site Status

Pfizer Investigational Site

San Antonio, Texas, United States

Site Status

Countries

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United States

References

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Garza D, Murphy M, Tseng LJ, Riordan HJ, Chatterjee A. A double-blind randomized placebo-controlled pilot study of neuropsychiatric adverse events in abstinent smokers treated with varenicline or placebo. Biol Psychiatry. 2011 Jun 1;69(11):1075-82. doi: 10.1016/j.biopsych.2010.12.005. Epub 2011 Feb 3.

Reference Type DERIVED
PMID: 21295286 (View on PubMed)

Related Links

Other Identifiers

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A3051115

Identifier Type: -

Identifier Source: org_study_id