A Study To Evaluate The Efficacy And Safety Of Varenicline Compared To Placebo For Smoking Cessation Through Reduction

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NCT01370356

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Study Location
Pharmacology Research Institute
Encino, California, 91316, United States
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Contact
1-800-718-1021
[email protected]
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FOR MORE INFORMATION

Contact a representative by phone, email, or visiting the study website. Please see the references below:

By phone

Pfizer Clinical Trials Contact Center

1-800-718-1021

By email

Contact

[email protected]

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Eligibility Criteria
condition
The disease, disorder, syndrome, illness, or injury that is being studied.
Smoking Cessation
Sex
Females and Males
Age
Pediatric Trials: 0-17 Years
Adult Trials: 18+ Years
18 + years
Inclusion Criteria
The factors, or reasons, that allow a person to participate in a clinical study.
Show details

- Male and female cigarette smokers over the age of 18 years who are not willing/able to quit smoking within the next month but who are willing to attempt to reduce their smoking to work toward a quit attempt within the next 3 months.

- Subjects must have smoked an average of at least 10 cigarettes per day during the past year and during the month prior to the screening visit, with no continuous period of abstinence greater than 3 months in the past year and who have an exhaled carbon monoxide (CO) >10 ppm at screening.

- Subjects with mild to moderate depression or anxiety may be included if their condition is stable.

Exclusion Criteria
The factors, or reasons, that prevent a person from participating in a clinical study.
Show details


- Subjects with a history of a suicide attempt or any suicidal behavior in the past two
years.


- Subjects with severe depression or anxiety.


- Subjects with psychosis, panic disorder, bipolar disorder, post traumatic stress
disorder (PTSD), or schizophrenia.


- Subjects with alcohol or substance abuse or dependence (except nicotine) unless in
full remission for at least 12 months.

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Pfizer Clinical Trials Contact Center

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Advanced Information
Descriptive Information
Brief Title  ICMJE A Study To Evaluate The Efficacy And Safety Of Varenicline Compared To Placebo For Smoking Cessation Through Reduction
Official Title  ICMJE A Phase 4, Multi-National, Randomized, Double-Blind, Placebo-Controlled Study To Evaluate The Efficacy And Safety Of Varenicline Compared To Placebo For Smoking Cessation Through Reduction
Brief Summary This study will determine whether varenicline is safe and helps people to quit smoking through reduction when they are not willing/able to make an abrupt quit attempt.
Detailed Description Not Provided
Study Type  ICMJE Interventional
Study Phase  ICMJE Phase 4
Study Design  ICMJE Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double (Participant, Investigator)
Primary Purpose: Health Services Research
Condition  ICMJE Smoking Cessation
Intervention  ICMJE
  • Drug: Varenicline Tartrate
    Varenicline Tartrate oral tablets 2 (0.5mg) tablets twice a day for 24 weeks (first week titration)
  • Drug: Placebo
    Matching placebo 2 oral tablets twice a day for 24 weeks (first week titration)
Study Arms  ICMJE
  • Active Comparator: Varenicline Tartrate
    Intervention: Drug: Varenicline Tartrate
  • Placebo Comparator: Placebo
    Intervention: Drug: Placebo
Publications *

*   Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline.
 
Recruitment Information
Recruitment Status  ICMJE Completed
Actual Enrollment  ICMJE
 (submitted: August 29, 2014)		1510
Original Estimated Enrollment  ICMJE
 (submitted: June 8, 2011)		1404
Actual Study Completion Date  ICMJE July 2013
Actual Primary Completion Date July 2013   (Final data collection date for primary outcome measure)
Eligibility Criteria  ICMJE

Inclusion Criteria:

  • Male and female cigarette smokers over the age of 18 years who are not willing/able to quit smoking within the next month but who are willing to attempt to reduce their smoking to work toward a quit attempt within the next 3 months.
  • Subjects must have smoked an average of at least 10 cigarettes per day during the past year and during the month prior to the screening visit, with no continuous period of abstinence greater than 3 months in the past year and who have an exhaled carbon monoxide (CO) >10 ppm at screening.
  • Subjects with mild to moderate depression or anxiety may be included if their condition is stable.

Exclusion Criteria:

  • Subjects with a history of a suicide attempt or any suicidal behavior in the past two years.
  • Subjects with severe depression or anxiety.
  • Subjects with psychosis, panic disorder, bipolar disorder, post traumatic stress disorder (PTSD), or schizophrenia.
  • Subjects with alcohol or substance abuse or dependence (except nicotine) unless in full remission for at least 12 months.
Sex/Gender  ICMJE
Sexes Eligible for Study:All
Ages  ICMJE 18 Years and older   (Adult, Older Adult)
Accepts Healthy Volunteers  ICMJE No
Contacts  ICMJE Contact information is only displayed when the study is recruiting subjects
Listed Location Countries  ICMJE Australia,   Canada,   Czech Republic,   Egypt,   Germany,   Japan,   Mexico,   Taiwan,   United Kingdom,   United States
Removed Location Countries  
 
Administrative Information
NCT Number  ICMJE NCT01370356
Other Study ID Numbers  ICMJE A3051075
REDUCE TO QUIT
Has Data Monitoring Committee Yes
U.S. FDA-regulated Product Not Provided
IPD Sharing Statement  ICMJE Not Provided
Responsible Party Pfizer
Study Sponsor  ICMJE Pfizer
Collaborators  ICMJE Not Provided
Investigators  ICMJE
Study Director:Pfizer CT.gov Call CenterPfizer
PRS Account Pfizer
Verification Date August 2014

ICMJE     Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP