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Study of TA-NIC to Assess the Efficacy and Safety of the Vaccine as an Aid to Smoking Cessation

Smoking Clinical Trial

Official title:
A Phase 2, Double-Blind, Randomized, Placebo-Controlled, Multicenter, Dose-Ranging Study of 100 or 250 μg of TA-NIC to Assess the Efficacy and Safety of the Vaccine as an Aid to Smoking Cessation

Clinical Trial Summary

Over 1 billion people worldwide smoke, resulting in an estimated 4 million deaths annually from smoking-related disease.1 Persistent and long-term smoking leads to an increased risk of cardiovascular damage, respiratory disease, and a higher incidence of a variety of cancers; but for smokers who can quit there is an immediate and significant beneficial impact on their health and life expectancy. Cigarette smoking remains the leading preventable cause of death in the United States (US), accounting for approximately 1 of every 5 deaths (438,000 people) each year.

This Phase 2 study will investigate the efficacy and tolerability of 2 doses of TA-NIC compared to placebo as an aid to smoking cessation in smokers who are motivated to quit.

Clinical Trial Description

This is a multicenter, double-blind, randomized, placebocontrolled, 3-arm, Phase 2 study evaluating the efficacy and safety of TA-NIC as an aid for smoking cessation in smokers motivated to quit within 12 weeks. At the start of the study, each subject will set a Target Quit Date, which must be within 12 weeks after first injection. Each subject will receive 7 injections (vaccinations) from Weeks 0 to 16. Subjects will be encouraged to follow a phased reduction in cigarette consumption leading up to the Target Quit Date. All vaccinated subjects will be offered a counseling session at each clinic visit and will be contacted by telephone at Weeks 1, 3, 5, 7, 9, 14, 18, and 21 to provide up to 10 minutes of support and counseling for their smoking cessation. Smoking cessation will be measured during a 4-week assessment period from Week 22 to Week 26. Smoking cessation will be defined as complete abstinence during this 4-week period. Subject follow-up will continue to Week 52. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT00633321
Study type Interventional
Source Celtic Pharma Development Services
Contact
Status Completed
Phase Phase 2
Start date May 2007
Completion date February 2009
View Details
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