NCT00633321

Brief 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.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
522

participants targeted

Target at P75+ for phase_2

Timeline
Completed

Started May 2007

Geographic Reach
1 country

9 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

May 1, 2007

Completed
10 months until next milestone

First Submitted

Initial submission to the registry

March 5, 2008

Completed
7 days until next milestone

First Posted

Study publicly available on registry

March 12, 2008

Completed
9 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2008

Completed
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

February 1, 2009

Completed
Last Updated

June 8, 2011

Status Verified

June 1, 2011

Enrollment Period

1.6 years

First QC Date

March 5, 2008

Last Update Submit

June 7, 2011

Conditions

Keywords

smoking cessationquit smokingsmoking vaccinenicotine vaccineTA-NICAid for smoking cessation in smokers motivated to quit

Outcome Measures

Primary Outcomes (1)

  • 4-week assessment period quit rate at Week 26 measured by self-reported abstinence in the 4 weeks immediately prior to the 26 week visit and supported by CO breath test data

    Week 26

Secondary Outcomes (8)

  • Measures of anti-nicotine antibody levels at key study visits

    Prospective

  • Quit status at the final follow-up visit (Week 52)

    Week 52

  • CO breath test measurements at key study visits

    Prospective

  • Serum cotinine levels at key study visits

    Prospective

  • Nicotine dependence as measured by Fagerström score, for those subjects who are still smokers

    Prospective

  • +3 more secondary outcomes

Study Arms (3)

1

EXPERIMENTAL

TA-NIC 100 μg

Biological: TA-NIC

2

EXPERIMENTAL

TA-NIC 250 μg

Biological: TA-NIC

3

PLACEBO COMPARATOR
Biological: Placebo

Interventions

TA-NICBIOLOGICAL

TA-NIC vaccine will be administered to each subject as 7 single doses administered at Weeks 0, 2, 4, 6, 8, 12, and 16.

12
PlaceboBIOLOGICAL

Placebo will be administered to each subject as 7 single doses administered at Weeks 0, 2, 4, 6, 8, 12, and 16.

3

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Aged ≥18 years
  • Female subjects must be either of non child bearing potential (i.e., either surgically sterilized or post menopausal) or must be using adequate contraception, have a negative pregnancy test and must agree to continue to use such precautions for 3 months after the last immunization. Acceptable contraceptive methods are oral or parenteral hormonal contraceptives; intrauterine device; barrier and spermicide. Abstinence or partner vasectomy are not acceptable methods.
  • A "smoker" who has smoked on a regular basis for a least a year and is currently smoking at least 10 cigarettes per day
  • Is motivated to quit smoking in the next 12 weeks
  • Agrees to avoid smoking cessation pharmacotherapies, and any other methods of smoking cessation, other than those provided as part of this protocol
  • Has good general health as determined by medical history, general clinical examination, vital signs (systolic blood pressure ≤140 mm Hg, diastolic blood pressure ≤90 mm Hg, heart rate ≤100 beats per minute, and body temperature of 36.1°-37.8° C), and clinical laboratory test results; and has a World Health Organization (WHO) performance status of 0 or 1 (see Appendix A for WHO performance status scale)
  • Has provided written informed consent.

You may not qualify if:

  • Have known immunodeficiency, or tested positive for human immunodeficiency virus (HIV) or hepatitis B at screening.
  • Are taking medication known to have significant immunosuppressive effects such as systemic glucocorticoids (topical and inhaled formulations are permitted)
  • Are intending to use other forms of smoking cessation pharmacotherapies or other methods of smoking cessation during the period of the study, other than those provided as part of this protocol; or who are receiving smoking cessation products (e.g., bupropion, clonidine, nortriptyline) for indications other than smoking cessation during the period of study
  • History of sensitivity to aluminum hydroxide gel
  • History of severe adverse reaction to cholera vaccine
  • Known current user of drugs of abuse, or with a recent history (within the past 6 months) of use of drugs of abuse
  • Recent (within the past 6 months) history of alcohol abuse
  • Current non-cigarette tobacco use
  • Previous vaccination with TA-NIC
  • Participation in another clinical study within 30 days before study entry
  • Female subjects with a positive pregnancy test; lactating mothers; women of child-bearing potential who do not agree to continue adequate contraception (i.e., oral or parenteral hormonal contraceptives, intrauterine device, barrier, and/or spermicide) and pregnancy tests from start of study through 3 months after the last immunization; or women who are planning to become pregnant during the period of the study
  • Clinical laboratory value outside the normal range of the central laboratory (see Appendix G), unless the value has been justified by the Investigator in writing
  • Any other factor that in the opinion of the Investigator would make the subject unsuitable for the study.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (9)

Benchmark Research

Sacramento, California, 95816, United States

Location

Benchmark Research

Metairie, Louisiana, 70006, United States

Location

Columbia Medical Practice

Columbia, Maryland, 21045, United States

Location

Centennial Medical Group

Elkridge, Maryland, 21075, United States

Location

Mayo Clinic

Rochester, Minnesota, 55905, United States

Location

CNS Research Institute, P.C.

Clementon, New Jersey, 08021, United States

Location

CRI Worldwide, LLC Kirkbride Center

Philadelphia, Pennsylvania, 19139, United States

Location

Benchmark Research

Austin, Texas, 78705, United States

Location

Benchmark Research - Fort Worth

Fort Worth, Texas, 76135, United States

Location

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    PMID: 10326777BACKGROUND
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    PMID: 10963853BACKGROUND
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    PMID: 2668531BACKGROUND
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    PMID: 1932883BACKGROUND
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    PMID: 8033758BACKGROUND
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    BACKGROUND
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MeSH Terms

Conditions

SmokingSmoking Cessation

Interventions

TA-NIC

Condition Hierarchy (Ancestors)

BehaviorHealth Behavior

Study Officials

  • Krefetz

    CNS Research Institute, P.C

    PRINCIPAL INVESTIGATOR
  • Gruener

    CRI Worldwide, LLC

    PRINCIPAL INVESTIGATOR
  • Coats

    Benchmark Research

    PRINCIPAL INVESTIGATOR
  • Rarick

    Benchmark Research

    PRINCIPAL INVESTIGATOR
  • Seger

    Benchmark Research - Fort Worth

    PRINCIPAL INVESTIGATOR
  • Jeanfreau

    Benchmark Research

    PRINCIPAL INVESTIGATOR
  • Geller

    Centennial Medical Group

    PRINCIPAL INVESTIGATOR
  • Saway

    Columbia Medical Practice

    PRINCIPAL INVESTIGATOR
  • Dale

    Mayo Clinic

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY

Study Record Dates

First Submitted

March 5, 2008

First Posted

March 12, 2008

Study Start

May 1, 2007

Primary Completion

December 1, 2008

Study Completion

February 1, 2009

Last Updated

June 8, 2011

Record last verified: 2011-06

Locations