A Twelve-Week Study of Varenicline for Safety and Efficacy in Comparison With Placebo and Zyban for Smoking Cessation

NCT ID: NCT00143364

Last Updated: 2007-06-04

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

Get a concise snapshot of the trial, including recruitment status, study phase, enrollment targets, and key timeline milestones.

Recruitment Status

COMPLETED

Clinical Phase

PHASE3

Total Enrollment

1005 participants

Study Classification

INTERVENTIONAL

Study Start Date

2003-06-30

Study Completion Date

2005-03-31

Brief Summary

Review the sponsor-provided synopsis that highlights what the study is about and why it is being conducted.

The primary purpose of this study is to evaluate the safety and efficacy of varenicline given for a twelve week treatment period in comparison with placebo and Zyban for smoking cessation.

Detailed Description

Dive into the extended narrative that explains the scientific background, objectives, and procedures in greater depth.

Conditions

See the medical conditions and disease areas that this research is targeting or investigating.

Smoking Cessation

Study Design

Understand how the trial is structured, including allocation methods, masking strategies, primary purpose, and other design elements.

Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Interventions

Learn about the drugs, procedures, or behavioral strategies being tested and how they are applied within this trial.

varenicline (CP-526,555)

Intervention Type DRUG

Eligibility Criteria

Check the participation requirements, including inclusion and exclusion rules, age limits, and whether healthy volunteers are accepted.

Inclusion Criteria

* Subjects must have smoked an average of at least 10 cigarettes per day during the past year and over the month prior to the screening visit, with no period of abstinence greater than 3 months in the past year.

Exclusion Criteria

* Subjects who have used bupropion (Zyban or Wellbutrin) previously.
Minimum Eligible Age

18 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

Meet the organizations funding or collaborating on the study and learn about their roles.

Pfizer

INDUSTRY

Sponsor Role lead

Principal Investigators

Learn about the lead researchers overseeing the trial and their institutional affiliations.

Pfizer CT.gov Call Center

Role: STUDY_DIRECTOR

Pfizer

Locations

Explore where the study is taking place and check the recruitment status at each participating site.

Pfizer Investigational Site

Palo Alto, California, United States

Site Status

Pfizer Investigational Site

San Diego, California, United States

Site Status

Pfizer Investigational Site

Denver, Colorado, United States

Site Status

Pfizer Investigational Site

Pembroke Pines, Florida, United States

Site Status

Pfizer Investigational Site

Indianapolis, Indiana, United States

Site Status

Pfizer Investigational Site

Portland, Maine, United States

Site Status

Pfizer Investigational Site

Boston, Massachusetts, United States

Site Status

Pfizer Investigational Site

Albert Lea, Minnesota, United States

Site Status

Pfizer Investigational Site

Rochester, Minnesota, United States

Site Status

Pfizer Investigational Site

New York, New York, United States

Site Status

Pfizer Investigational Site

Rochester, New York, United States

Site Status

Pfizer Investigational Site

Providence, Rhode Island, United States

Site Status

Pfizer Investigational Site

Nashville, Tennessee, United States

Site Status

Pfizer Investigational Site

Madison, Wisconsin, United States

Site Status

Pfizer Investigational Site

Milwaukee, Wisconsin, United States

Site Status

Countries

Review the countries where the study has at least one active or historical site.

United States

References

Explore related publications, articles, or registry entries linked to this study.

Hajizadeh A, Howes S, Theodoulou A, Klemperer E, Hartmann-Boyce J, Livingstone-Banks J, Lindson N. Antidepressants for smoking cessation. Cochrane Database Syst Rev. 2023 May 24;5(5):CD000031. doi: 10.1002/14651858.CD000031.pub6.

Reference Type DERIVED
PMID: 37230961 (View on PubMed)

Livingstone-Banks J, Fanshawe TR, Thomas KH, Theodoulou A, Hajizadeh A, Hartman L, Lindson N. Nicotine receptor partial agonists for smoking cessation. Cochrane Database Syst Rev. 2023 May 5;5(5):CD006103. doi: 10.1002/14651858.CD006103.pub8.

Reference Type DERIVED
PMID: 37142273 (View on PubMed)

Hays JT, Croghan IT, Baker CL, Cappelleri JC, Bushmakin AG. Changes in health-related quality of life with smoking cessation treatment. Eur J Public Health. 2012 Apr;22(2):224-9. doi: 10.1093/eurpub/ckq137. Epub 2010 Sep 30.

Reference Type DERIVED
PMID: 20884658 (View on PubMed)

Gonzales D, Jorenby DE, Brandon TH, Arteaga C, Lee TC. Immediate versus delayed quitting and rates of relapse among smokers treated successfully with varenicline, bupropion SR or placebo. Addiction. 2010 Nov;105(11):2002-13. doi: 10.1111/j.1360-0443.2010.03058.x. Epub 2010 Sep 1.

Reference Type DERIVED
PMID: 20819082 (View on PubMed)

Hays JT, Leischow SJ, Lawrence D, Lee TC. Adherence to treatment for tobacco dependence: association with smoking abstinence and predictors of adherence. Nicotine Tob Res. 2010 Jun;12(6):574-81. doi: 10.1093/ntr/ntq047. Epub 2010 May 10.

Reference Type DERIVED
PMID: 20457644 (View on PubMed)

Nides M, Glover ED, Reus VI, Christen AG, Make BJ, Billing CB Jr, Williams KE. Varenicline versus bupropion SR or placebo for smoking cessation: a pooled analysis. Am J Health Behav. 2008 Nov-Dec;32(6):664-75. doi: 10.5555/ajhb.2008.32.6.664.

Reference Type DERIVED
PMID: 18442345 (View on PubMed)

West R, Baker CL, Cappelleri JC, Bushmakin AG. Effect of varenicline and bupropion SR on craving, nicotine withdrawal symptoms, and rewarding effects of smoking during a quit attempt. Psychopharmacology (Berl). 2008 Apr;197(3):371-7. doi: 10.1007/s00213-007-1041-3. Epub 2007 Dec 15.

Reference Type DERIVED
PMID: 18084743 (View on PubMed)

Jorenby DE, Hays JT, Rigotti NA, Azoulay S, Watsky EJ, Williams KE, Billing CB, Gong J, Reeves KR; Varenicline Phase 3 Study Group. Efficacy of varenicline, an alpha4beta2 nicotinic acetylcholine receptor partial agonist, vs placebo or sustained-release bupropion for smoking cessation: a randomized controlled trial. JAMA. 2006 Jul 5;296(1):56-63. doi: 10.1001/jama.296.1.56.

Reference Type DERIVED
PMID: 16820547 (View on PubMed)

Related Links

Access external resources that provide additional context or updates about the study.

Other Identifiers

Review additional registry numbers or institutional identifiers associated with this trial.

A3051036

Identifier Type: -

Identifier Source: org_study_id