A Seven-Week Dose-Ranging Study of CP-526,555 Compared With Placebo and Zyban for Smoking Cessation

NCT ID: NCT00150241

Last Updated: 2015-10-19

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

PHASE2

Total Enrollment

625 participants

Study Classification

INTERVENTIONAL

Study Start Date

2000-02-29

Study Completion Date

2002-01-31

Brief Summary

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

The purpose of the study is to measure the safety and efficacy of three doses of varenicline 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.

CP-526,555 (varenicline)

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 on average of at least ten cigarettes per day during the past year
* Subjects must have no period of abstinence greater than three months in the past year

Exclusion Criteria

* Subjects with any history of cardiovascular disease
* Myocardial infarction
* Significant arrhythmias
* Poorly controlled hypertension
Minimum Eligible Age

18 Years

Maximum Eligible Age

65 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

Los Angeles, California, United States

Site Status

Pfizer Investigational Site

Farmington, Connecticut, United States

Site Status

Pfizer Investigational Site

Minneapolis, Minnesota, United States

Site Status

Pfizer Investigational Site

Omaha, Nebraska, United States

Site Status

Pfizer Investigational Site

New York, New York, United States

Site Status

Pfizer Investigational Site

Portland, Oregon, United States

Site Status

Pfizer Investigational Site

Morgantown, West Virginia, 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)

Related Links

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

https://trialinfoemail.pfizer.com/pages/landing.aspx?StudyID=A3051002

To obtain contact information for a study center near you, click here.

Other Identifiers

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

A3051002

Identifier Type: -

Identifier Source: org_study_id

More Related Trials

Additional clinical trials that may be relevant based on similarity analysis.

Varenicline In-Patient Study
NCT01413516 COMPLETED PHASE2