Smoking Cessation Study In Healthy Adolescent Smokers
This study is ongoing, but not recruiting participants.
Sponsor:
Pfizer
ClinicalTrials.gov Identifier:
NCT01312909
First Posted: March 11, 2011
Last Update Posted: July 25, 2017
Information provided by (Responsible Party):
Pfizer
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Purpose
The study is designed to see if varenicline combined with age appropriate (adolescent) smoking cessation counseling will help teens quit smoking.
| Condition | Intervention | Phase |
|---|---|---|
| Smoking Cessation | Drug: Varenicline 1mg BID Drug: Varenicline 0.5mg BID Drug: Placebo | Phase 4 |
| Study Type: | Interventional |
| Study Design: | Allocation: Randomized Intervention Model: Parallel Assignment Masking: Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor) Primary Purpose: Treatment |
| Official Title: | A Twelve-week, Randomized, Double-blind, Placebo-controlled, Parallel-group, Dose-ranging Study With Follow-up Evaluating The Safety And Efficacy Of Varenicline For Smoking Cessation In Healthy Adolescent Smokers |
Resource links provided by NLM:
Further study details as provided by Pfizer:
Primary Outcome Measures:
- The 4-week continuous quit rate (CQR) [ Time Frame: Weeks 9-12 ]
Secondary Outcome Measures:
- 7-day point-prevalence of smoking abstinence at Weeks 12 [ Time Frame: Week 12 ]
- 7-day point prevalence of smoking abstinence at Week 24 [ Time Frame: Week 24 ]
- 7-day point prevalence of smoking abstinence at Week 52 [ Time Frame: Week 52 ]
- Reduction in number of cigarettes smoked at Weeks 12 [ Time Frame: Weeks 12 ]
- Reduction in number of cigarettes smoked at Week 24 [ Time Frame: Week 24 ]
- Reduction in number of cigarettes smoked at Week 52 [ Time Frame: Week 52 ]
- Continuous abstinence rate from Week 9 through Week 24 [ Time Frame: Weeks 9-24 ]
- Continuous abstinence rate from Week 9 through Week 52 [ Time Frame: Weeks 9-52 ]
| Enrollment: | 311 |
| Actual Study Start Date: | April 26, 2011 |
| Estimated Study Completion Date: | January 24, 2018 |
| Estimated Primary Completion Date: | January 24, 2018 (Final data collection date for primary outcome measure) |
| Arms | Assigned Interventions |
|---|---|
|
Experimental: Varenicline 1mg BID
Oral Varenicline 1mg BID, or 1/2 that dose (0.5mg BID) for those subjects that weigh less than or equal to 55kg at baseline, for twelve weeks, follow-up through Week 52
|
Drug: Varenicline 1mg BID
Oral Varenicline 1mg BID, or 1/2 that dose (0.5mg BID) for those subjects that weigh less than or equal to 55kg at baseline, for twelve weeks, follow-up through Week 52
|
|
Experimental: Varenicline 0.5mg BID
Oral Varenicline 0.5mg BID, or 1/2 that dose (0.5 QD) for those subjects that weigh less than or equal to 55kg at baseline, for twelve weeks, follow-up through Week 52
|
Drug: Varenicline 0.5mg BID
Oral Varenicline 0.5mg BID, or 1/2 that dose (0.5 QD) for those subjects that weigh less than or equal to 55kg at baseline, for twelve weeks, follow-up through Week 52
|
|
Placebo Comparator: Placebo
Oral placebo for twelve weeks,follow-up through Week 52
|
Drug: Placebo
Oral placebo for twelve weeks,follow-up through Week 52
|
Eligibility
Information from the National Library of Medicine
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| Ages Eligible for Study: | 12 Years to 19 Years (Child, Adult) |
| Sexes Eligible for Study: | All |
| Accepts Healthy Volunteers: | No |
Criteria
Inclusion Criteria:
- Healthy male and female subjects between the ages of 12 and 19, inclusive.
- Subjects smoking at least an average of 5 cigarettes per day, motivated to stop smoking,
- Subjects must have at least one prior failed attempt to quit smoking.
Exclusion Criteria:
- Subjects with history, current diagnosis, or treatment of major depression disorder, anxiety disorders, panic disorder, hostility or aggression disorder, perceptual/thinking disturbances, mania, psychosis, bipolar disorder, personality disorder, eating disorder or severe emotional problems (in the past year).
- Subjects with a prior suicide attempt: subjects hospitalized within the past 12 months due to suicidal ideation or suicidal behavior; subjects considered to have serious suicidal ideation or suicidal behavior in the past 12 months; active suicidal ideation or behavior identified at the screening or baseline visit.
- Evidence of alcohol and substance abuse/dependence (other than nicotine) within 3 months prior to screening.
Contacts and Locations
Information from the National Library of Medicine
To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01312909
Show 83 Study Locations
Sponsors and Collaborators
Pfizer
Investigators
| Study Director: | Pfizer CT.gov Call Center | Pfizer |
More Information
Additional Information:
| Responsible Party: | Pfizer |
| ClinicalTrials.gov Identifier: | NCT01312909 History of Changes |
| Other Study ID Numbers: |
A3051073 CHANTIX ( Other Identifier: Alias Study Number ) |
| First Submitted: | March 9, 2011 |
| First Posted: | March 11, 2011 |
| Last Update Posted: | July 25, 2017 |
| Last Verified: | July 2017 |
| Studies a U.S. FDA-regulated Drug Product: | Yes | |
| Studies a U.S. FDA-regulated Device Product: | No | |
Keywords provided by Pfizer:
|
smoking cessation in adolescents |
Additional relevant MeSH terms:
|
Varenicline Nicotinic Agonists Cholinergic Agonists Cholinergic Agents |
Neurotransmitter Agents Molecular Mechanisms of Pharmacological Action Physiological Effects of Drugs |