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Study To Evaluate Cardiac Assessments Following Different Treatments Of Smoking Cessation Medications In Subjects With And Without Psychiatric Disorders.

A Phase 4, Non-treatment Follow-up For Cardiac Assessments Following Use Of Smoking Cessation Treatments In Subjects With And Without A History Of Psychiatric Disorders

Status
Completed
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01574703
Acronym
CATS
Enrollment
4595
Registered
2012-04-10
Start date
2012-05-31
Completion date
2015-07-31
Last updated
2016-12-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Smoking Cessation

Keywords

smoking cessation, psychiatric disease, cardiovascular events

Brief summary

Non-treatment extension to study A3051123, aimed at collecting data on cardiovascular safety for all participants in the A3051123 trial for an additional 28 weeks, allowing for a total of 52 weeks of cardiovascular safety data collection.

Detailed description

This study is an extension protocol for study A3051123. No treatment is provided during this study. This study is to monitor for cardiovascular events 28 weeks after completion of A3051123. This study is an extension protocol for study A3051123. No treatment is provided during this study. This study is to monitor for cardiovascular events 28 weeks after completion of A3051123.

Interventions

DRUGplacebo

All dosing to have taken place per study A3051123

All dosing to have taken place per study A3051123

All dosing to have taken place per study A3051123

All dosing to have taken place per study A3051123

Sponsors

Pfizer
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
SINGLE_GROUP
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 75 Years
Healthy volunteers
Yes

Inclusion criteria

* Subjects will be eligible if they were randomized to study A3051123.

Exclusion criteria

* Participation in study A3051123 ceased (ie, withdrew consent, lost to follow-up, etc) prior to final visit of study A3051123.

Design outcomes

Primary

MeasureTime frameDescription
Time to Occurrence of Major Adverse Cardiovascular Event (MACE) During Treatment Period (up to Date of Last Dose of Study Drug) in Study NCT01456936.Baseline to last dose of study drug in parent study NCT01456936 (up to 12 weeks).This is an adjudicated endpoint. MACE is defined as a cardiovascular death, a non-fatal myocardial infarction or a non-fatal stroke evaluated during the treatment phase (up to date of last dose of study drug). The measure type mentioned in the outcome data table is Hazard Ratio relative to Placebo.

Secondary

MeasureTime frameDescription
Time to MACE Until the End of Study NCT01574703.Baseline until end of study (end of study is defined as last visit in study NCT01574703 [up to Week 52], or in study NCT01456936 [up to 24 Weeks] for those participants not enrolled into study NCT01574703).This is an adjudicated endpoint. MACE is defined as a cardiovascular death, a non-fatal myocardial infarction or a non-fatal stroke evaluated until end of study. The measure type mentioned in the outcome data table is Hazard Ratio.
Incidence of MACE Assessed During Treatment Period (up to Date of Last Dose of Study Drug) in Study NCT01456936.Baseline to last dose of study drug in parent study NCT01456936 (up to 12 weeks).This is an adjudicated endpoint. MACE is defined as a cardiovascular death, a non-fatal myocardial infarction or a non-fatal stroke evaluated during the treatment phase (up to date of last dose of study drug).
Incidence of MACE + Assessed During Treatment Period (up to Date of Last Dose of Study Drug) in Study NCT01456936.Baseline to last dose of study drug in parent study NCT01456936 (up to 12 weeks).This is an adjudicated endpoint. MACE + is defined as any MACE or a new onset or worsening peripheral vascular disease (PVD) requiring intervention, a need for coronary revascularization, or hospitalization for unstable angina.
Time to MACE up to Date of Last Dose of Study Drug Plus 30 Days Follow-up in Study NCT01456936.Baseline to last dose of study drug in parent study NCT01456936 (up to 12 weeks) plus 30 days.This is an adjudicated endpoint. MACE is defined as a cardiovascular death, a non-fatal myocardial infarction or a non-fatal stroke evaluated during the treatment phase (up to date of last dose of study drug) plus 30 days follow-up. The measure type mentioned in the outcome data table is Hazard Ratio.
Incidence of MACE+ Assessed up to Date of Last Dose of Study Drug Plus 30 Days Follow-up in Study NCT01456936.Baseline to last dose of study drug in parent study NCT01456936 (up to 12 weeks) plus 30 days follow-up.This is an adjudicated endpoint. MACE + is defined as any MACE or a new onset or worsening PVD requiring intervention, a need for coronary revascularization, or hospitalization for unstable angina.
Incidence of MACE Assessed Until End of Study NCT01574703.Baseline until end of study (end of study is defined as last visit in study NCT01574703 [up to Week 52], or in study NCT01456936 [up to 24 Weeks] for those participants not enrolled into study NCT01574703).This is an adjudicated endpoint. MACE is defined as a cardiovascular death, a non-fatal myocardial infarction or a non-fatal stroke evaluated until end of study.
Incidence of MACE+ Assessed Until End of Study NCT01574703.Baseline until end of study (end of study is defined as last visit in study NCT01574703 [up to Week 52], or in study NCT01456936 [up to 24 Weeks] for those participants not enrolled into study NCT01574703).This is an adjudicated endpoint. MACE+ is defined as any MACE or a new onset or worsening PVD requiring intervention, a need for coronary revascularization, or hospitalization for unstable angina.
Incidence of MACE Assessed up to Date of Last Dose of Study Drug Plus 30 Days Follow-up in Study NCT01456936.Baseline to last dose of study drug in parent study NCT01456936 (up to 12 weeks) plus 30 days follow-up.This is an adjudicated endpoint. MACE is defined as a cardiovascular death, a non-fatal myocardial infarction or a non-fatal stroke evaluated during the treatment phase (up to date of last dose of study drug) plus 30 days follow-up.

Countries

Argentina, Australia, Brazil, Bulgaria, Canada, Chile, Denmark, Finland, Germany, Mexico, New Zealand, Russia, Slovakia, South Africa, Spain, United States

Participant flow

Recruitment details

Of the 6293 participants who completed the parent study NCT01456936 as per protocol, a total of 4595 participants enrolled into this study NCT01574703 from 132 centers in 16 countries.

Pre-assignment details

This is a non-treatment extension study of parent study NCT01456936. No study drug was provided in this extension phase. However, cardiovascular events that occurred during parent study NCT01456936 when participants received varenicline(N=2016), bupropion(N=2006),NRT(N=2022), or placebo(N=2014) in a triple-dummy design were analyzed in this study.

Participants by arm

ArmCount
Varenicline
This was the non-treatment extension study of parent study NCT01456936. No study drug was provided during this extension phase. However, Cardiovascular events that occurred during parent study NCT01456936 when participants received varenicline in a triple-dummy design were analyzed as part of this study.
1,192
Bupropion
This was the non-treatment extension study of parent study NCT01456936. No study drug was provided during this extension phase. However, Cardiovascular events that occurred during parent study NCT01456936 when participants received bupropion in a triple-dummy design were analyzed as part of this study.
1,166
NRT Patch
This was the non-treatment extension study of parent study NCT01456936. No study drug was provided during this extension phase. However, Cardiovascular events that occurred during parent study NCT01456936 when participants received NRT patch in a triple-dummy design were analyzed as part of this study.
1,116
Placebo
This was the non-treatment extension study of parent study NCT01456936. No study drug was provided during this extension phase. However, Cardiovascular events that occurred during parent study NCT01456936 when participants received placebo in a triple-dummy design were analyzed as part of this study.
1,121
Total4,595

Withdrawals & dropouts

PeriodReasonFG000FG001FG002FG003
Overall StudyAdverse Event0211
Overall StudyDeath2110
Overall StudyLost to Follow-up43414635
Overall StudyMet Withdrawal Criteria0110
Overall StudyProtocol Violation0001
Overall StudyUnspecified Reason27152016
Overall StudyWithdrawal by Subject53523661

Baseline characteristics

CharacteristicVareniclineBupropionNRT PatchPlaceboTotal
Age, Continuous48.1 Years
STANDARD_DEVIATION 12.2
47.7 Years
STANDARD_DEVIATION 12.5
48.3 Years
STANDARD_DEVIATION 11.9
47.5 Years
STANDARD_DEVIATION 12.2
47.9 Years
STANDARD_DEVIATION 12.2
Gender
Female
659 Participants648 Participants623 Participants621 Participants2551 Participants
Gender
Male
533 Participants518 Participants493 Participants500 Participants2044 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
EG003
affected / at risk
deaths
Total, all-cause mortality
— / —— / —— / —— / —
other
Total, other adverse events
165 / 1,192160 / 1,166116 / 1,116143 / 1,121
serious
Total, serious adverse events
34 / 1,19239 / 1,16643 / 1,11641 / 1,121

Outcome results

Primary

Time to Occurrence of Major Adverse Cardiovascular Event (MACE) During Treatment Period (up to Date of Last Dose of Study Drug) in Study NCT01456936.

This is an adjudicated endpoint. MACE is defined as a cardiovascular death, a non-fatal myocardial infarction or a non-fatal stroke evaluated during the treatment phase (up to date of last dose of study drug). The measure type mentioned in the outcome data table is Hazard Ratio relative to Placebo.

Time frame: Baseline to last dose of study drug in parent study NCT01456936 (up to 12 weeks).

Population: The safety analysis set is defined as all participants that received at least one partial dose of study drug during the parent study NCT01456936.

ArmMeasureValue (NUMBER)
VareniclineTime to Occurrence of Major Adverse Cardiovascular Event (MACE) During Treatment Period (up to Date of Last Dose of Study Drug) in Study NCT01456936.0.29 Unitless
BupropionTime to Occurrence of Major Adverse Cardiovascular Event (MACE) During Treatment Period (up to Date of Last Dose of Study Drug) in Study NCT01456936.0.50 Unitless
NRT PatchTime to Occurrence of Major Adverse Cardiovascular Event (MACE) During Treatment Period (up to Date of Last Dose of Study Drug) in Study NCT01456936.0.29 Unitless
PlaceboTime to Occurrence of Major Adverse Cardiovascular Event (MACE) During Treatment Period (up to Date of Last Dose of Study Drug) in Study NCT01456936.NA Unitless
Comparison: Statistical analysis for overall treatment comparison.p-value: 0.37Log Rank
Secondary

Incidence of MACE + Assessed During Treatment Period (up to Date of Last Dose of Study Drug) in Study NCT01456936.

This is an adjudicated endpoint. MACE + is defined as any MACE or a new onset or worsening peripheral vascular disease (PVD) requiring intervention, a need for coronary revascularization, or hospitalization for unstable angina.

Time frame: Baseline to last dose of study drug in parent study NCT01456936 (up to 12 weeks).

Population: The safety analysis set is defined as all participants that received at least one partial dose of study drug during the parent study NCT01456936.

ArmMeasureValue (NUMBER)
VareniclineIncidence of MACE + Assessed During Treatment Period (up to Date of Last Dose of Study Drug) in Study NCT01456936.0.25 percentage of participants
BupropionIncidence of MACE + Assessed During Treatment Period (up to Date of Last Dose of Study Drug) in Study NCT01456936.0.20 percentage of participants
NRT PatchIncidence of MACE + Assessed During Treatment Period (up to Date of Last Dose of Study Drug) in Study NCT01456936.0.10 percentage of participants
PlaceboIncidence of MACE + Assessed During Treatment Period (up to Date of Last Dose of Study Drug) in Study NCT01456936.0.25 percentage of participants
Comparison: Statistical analysis between Varenicline and Bupropion.p-value: 0.968795% CI: [-3.48, 3.34]Regression, Logistic
Comparison: Statistical analysis between Varenicline and NRT patch.p-value: 0.790595% CI: [-3.58, 4.7]Regression, Logistic
Comparison: Statistical analysis between Varenicline and Placebo.p-value: 0.896295% CI: [-3.36, 2.94]Regression, Logistic
Comparison: Statistical analysis between Bupropion and NRT patch.p-value: 0.776795% CI: [-3.72, 4.98]Regression, Logistic
Comparison: Statistical analysis between Bupropion and Placebo.p-value: 0.92695% CI: [-3.13, 2.85]Regression, Logistic
Comparison: Statistical analysis between NRT patch and Placebo.p-value: 0.711395% CI: [-4.85, 3.31]Regression, Logistic
Secondary

Incidence of MACE Assessed During Treatment Period (up to Date of Last Dose of Study Drug) in Study NCT01456936.

This is an adjudicated endpoint. MACE is defined as a cardiovascular death, a non-fatal myocardial infarction or a non-fatal stroke evaluated during the treatment phase (up to date of last dose of study drug).

Time frame: Baseline to last dose of study drug in parent study NCT01456936 (up to 12 weeks).

Population: The safety analysis set is defined as all participants that received at least one partial dose of study drug during the parent study NCT01456936.

ArmMeasureValue (NUMBER)
VareniclineIncidence of MACE Assessed During Treatment Period (up to Date of Last Dose of Study Drug) in Study NCT01456936.0.05 percentage of participants
BupropionIncidence of MACE Assessed During Treatment Period (up to Date of Last Dose of Study Drug) in Study NCT01456936.0.10 percentage of participants
NRT PatchIncidence of MACE Assessed During Treatment Period (up to Date of Last Dose of Study Drug) in Study NCT01456936.0.05 percentage of participants
PlaceboIncidence of MACE Assessed During Treatment Period (up to Date of Last Dose of Study Drug) in Study NCT01456936.0.20 percentage of participants
Comparison: Statistical analysis between Varenicline and Bupropion.p-value: 0.837595% CI: [-5.22, 4.23]Regression, Logistic
Comparison: Statistical analysis between Varenicline and NRT patch.p-value: 0.97895% CI: [-5.2, 5.05]Regression, Logistic
Comparison: Statistical analysis between Varenicline and Placebo.p-value: 0.614295% CI: [-5.54, 3.27]Regression, Logistic
Comparison: Statistical analysis between Bupropion and NRT patch.p-value: 0.860295% CI: [-4.28, 5.13]Regression, Logistic
Comparison: Statistical analysis between Bupropion and Placebo.p-value: 0.721795% CI: [-4.15, 2.88]Regression, Logistic
Comparison: Statistical analysis between NRT patch and Placebo.p-value: 0.632295% CI: [-5.41, 3.28]Regression, Logistic
Secondary

Incidence of MACE Assessed Until End of Study NCT01574703.

This is an adjudicated endpoint. MACE is defined as a cardiovascular death, a non-fatal myocardial infarction or a non-fatal stroke evaluated until end of study.

Time frame: Baseline until end of study (end of study is defined as last visit in study NCT01574703 [up to Week 52], or in study NCT01456936 [up to 24 Weeks] for those participants not enrolled into study NCT01574703).

Population: The safety analysis set is defined as all participants that received at least one partial dose of study drug during the parent study NCT01456936.

ArmMeasureValue (NUMBER)
VareniclineIncidence of MACE Assessed Until End of Study NCT01574703.0.15 percentage of participants
BupropionIncidence of MACE Assessed Until End of Study NCT01574703.0.45 percentage of participants
NRT PatchIncidence of MACE Assessed Until End of Study NCT01574703.0.30 percentage of participants
PlaceboIncidence of MACE Assessed Until End of Study NCT01574703.0.40 percentage of participants
Comparison: Statistical analysis between Varenicline and Bupropion.p-value: 0.644195% CI: [-4.78, 2.96]Regression, Logistic
Comparison: Statistical analysis between Varenicline and NRT patch.p-value: 0.732795% CI: [-4.63, 3.26]Regression, Logistic
Comparison: Statistical analysis between Varenicline and Placebo.p-value: 0.610995% CI: [-4.8, 2.82]Regression, Logistic
Comparison: Statistical analysis between Bupropion and NRT patch.p-value: 0.870795% CI: [-2.48, 2.93]Regression, Logistic
Comparison: Statistical analysis between Bupropion and Placebo.p-value: 0.953195% CI: [-2.63, 2.48]Regression, Logistic
Comparison: Statistical analysis between NRT patch and Placebo.p-value: 0.826295% CI: [-2.99, 2.39]Regression, Logistic
Secondary

Incidence of MACE+ Assessed Until End of Study NCT01574703.

This is an adjudicated endpoint. MACE+ is defined as any MACE or a new onset or worsening PVD requiring intervention, a need for coronary revascularization, or hospitalization for unstable angina.

Time frame: Baseline until end of study (end of study is defined as last visit in study NCT01574703 [up to Week 52], or in study NCT01456936 [up to 24 Weeks] for those participants not enrolled into study NCT01574703).

Population: The safety analysis set is defined as all participants that received at least one partial dose of study drug during the parent study NCT01456936.

ArmMeasureValue (NUMBER)
VareniclineIncidence of MACE+ Assessed Until End of Study NCT01574703.0.50 percentage of participants
BupropionIncidence of MACE+ Assessed Until End of Study NCT01574703.0.75 percentage of participants
NRT PatchIncidence of MACE+ Assessed Until End of Study NCT01574703.0.49 percentage of participants
PlaceboIncidence of MACE+ Assessed Until End of Study NCT01574703.0.60 percentage of participants
Comparison: Statistical analysis between Varenicline and Bupropion.p-value: 0.610595% CI: [-2.84, 1.67]Regression, Logistic
Comparison: Statistical analysis between Varenicline and NRT patch.p-value: 0.789595% CI: [-2.65, 2.01]Regression, Logistic
Comparison: Statistical analysis between Varenicline and Placebo.p-value: 0.680495% CI: [-2.75, 1.8]Regression, Logistic
Comparison: Statistical analysis between Bupropion and NRT patch.p-value: 0.812795% CI: [-1.95, 2.49]Regression, Logistic
Comparison: Statistical analysis between Bupropion and Placebo.p-value: 0.921895% CI: [-2.04, 2.25]Regression, Logistic
Comparison: Statistical analysis between NRT patch and Placebo.p-value: 0.884195% CI: [-2.32, 2]Regression, Logistic
Secondary

Incidence of MACE Assessed up to Date of Last Dose of Study Drug Plus 30 Days Follow-up in Study NCT01456936.

This is an adjudicated endpoint. MACE is defined as a cardiovascular death, a non-fatal myocardial infarction or a non-fatal stroke evaluated during the treatment phase (up to date of last dose of study drug) plus 30 days follow-up.

Time frame: Baseline to last dose of study drug in parent study NCT01456936 (up to 12 weeks) plus 30 days follow-up.

Population: The safety analysis set is defined as all participants that received at least one partial dose of study drug during the parent study NCT01456936.

ArmMeasureValue (NUMBER)
VareniclineIncidence of MACE Assessed up to Date of Last Dose of Study Drug Plus 30 Days Follow-up in Study NCT01456936.0.05 percentage of participants
BupropionIncidence of MACE Assessed up to Date of Last Dose of Study Drug Plus 30 Days Follow-up in Study NCT01456936.0.10 percentage of participants
NRT PatchIncidence of MACE Assessed up to Date of Last Dose of Study Drug Plus 30 Days Follow-up in Study NCT01456936.0.10 percentage of participants
PlaceboIncidence of MACE Assessed up to Date of Last Dose of Study Drug Plus 30 Days Follow-up in Study NCT01456936.0.20 percentage of participants
Comparison: Statistical analysis between Varenicline and Bupropion.p-value: 0.811795% CI: [-5.27, 4.13]Regression, Logistic
Comparison: Statistical analysis between Varenicline and NRT patch.p-value: 0.730395% CI: [-5.21, 3.65]Regression, Logistic
Comparison: Statistical analysis between Varenicline and Placebo.p-value: 0.594695% CI: [-5.6, 3.21]Regression, Logistic
Comparison: Statistical analysis between Bupropion and NRT patch.p-value: 0.9295% CI: [-4.27, 3.85]Regression, Logistic
Comparison: Statistical analysis between Bupropion and Placebo.p-value: 0.723695% CI: [-4.09, 2.84]Regression, Logistic
Comparison: Statistical analysis between NRT patch and Placebo.p-value: 0.820195% CI: [-4.01, 3.17]Regression, Logistic
Secondary

Incidence of MACE+ Assessed up to Date of Last Dose of Study Drug Plus 30 Days Follow-up in Study NCT01456936.

This is an adjudicated endpoint. MACE + is defined as any MACE or a new onset or worsening PVD requiring intervention, a need for coronary revascularization, or hospitalization for unstable angina.

Time frame: Baseline to last dose of study drug in parent study NCT01456936 (up to 12 weeks) plus 30 days follow-up.

Population: The safety analysis set is defined as all participants that received at least one partial dose of study drug during the parent study NCT01456936.

ArmMeasureValue (NUMBER)
VareniclineIncidence of MACE+ Assessed up to Date of Last Dose of Study Drug Plus 30 Days Follow-up in Study NCT01456936.0.25 percentage of participants
BupropionIncidence of MACE+ Assessed up to Date of Last Dose of Study Drug Plus 30 Days Follow-up in Study NCT01456936.0.20 percentage of participants
NRT PatchIncidence of MACE+ Assessed up to Date of Last Dose of Study Drug Plus 30 Days Follow-up in Study NCT01456936.0.15 percentage of participants
PlaceboIncidence of MACE+ Assessed up to Date of Last Dose of Study Drug Plus 30 Days Follow-up in Study NCT01456936.0.35 percentage of participants
Comparison: Statistical analysis between Varenicline and Bupropion.p-value: 0.893295% CI: [-3.22, 2.81]Regression, Logistic
Comparison: Statistical analysis between Varenicline and NRT patch.p-value: 0.874795% CI: [-3.09, 2.63]Regression, Logistic
Comparison: Statistical analysis between Varenicline and Placebo.p-value: 0.67195% CI: [-3.35, 2.15]Regression, Logistic
Comparison: Statistical analysis between Bupropion and NRT patch.p-value: 0.988695% CI: [-3.32, 3.27]Regression, Logistic
Comparison: Statistical analysis between Bupropion and Placebo.p-value: 0.763195% CI: [-2.92, 2.14]Regression, Logistic
Comparison: Statistical analysis between NRT patch and Placebo.p-value: 0.802295% CI: [-3.23, 2.5]Regression, Logistic
Secondary

Time to MACE Until the End of Study NCT01574703.

This is an adjudicated endpoint. MACE is defined as a cardiovascular death, a non-fatal myocardial infarction or a non-fatal stroke evaluated until end of study. The measure type mentioned in the outcome data table is Hazard Ratio.

Time frame: Baseline until end of study (end of study is defined as last visit in study NCT01574703 [up to Week 52], or in study NCT01456936 [up to 24 Weeks] for those participants not enrolled into study NCT01574703).

Population: The safety analysis set is defined as all participants that received at least one partial dose of study drug during the parent study NCT01456936.

ArmMeasureValue (NUMBER)
VareniclineTime to MACE Until the End of Study NCT01574703.0.39 Unitless
BupropionTime to MACE Until the End of Study NCT01574703.1.09 Unitless
NRT PatchTime to MACE Until the End of Study NCT01574703.0.75 Unitless
PlaceboTime to MACE Until the End of Study NCT01574703.NA Unitless
Comparison: Statistical analysis for overall treatment comparison.p-value: 0.34Log Rank
Secondary

Time to MACE up to Date of Last Dose of Study Drug Plus 30 Days Follow-up in Study NCT01456936.

This is an adjudicated endpoint. MACE is defined as a cardiovascular death, a non-fatal myocardial infarction or a non-fatal stroke evaluated during the treatment phase (up to date of last dose of study drug) plus 30 days follow-up. The measure type mentioned in the outcome data table is Hazard Ratio.

Time frame: Baseline to last dose of study drug in parent study NCT01456936 (up to 12 weeks) plus 30 days.

Population: The safety analysis set is defined as all participants that received at least one partial dose of study drug during the parent study NCT01456936.

ArmMeasureValue (NUMBER)
VareniclineTime to MACE up to Date of Last Dose of Study Drug Plus 30 Days Follow-up in Study NCT01456936.0.29 Unitless
BupropionTime to MACE up to Date of Last Dose of Study Drug Plus 30 Days Follow-up in Study NCT01456936.0.51 Unitless
NRT PatchTime to MACE up to Date of Last Dose of Study Drug Plus 30 Days Follow-up in Study NCT01456936.0.50 Unitless
PlaceboTime to MACE up to Date of Last Dose of Study Drug Plus 30 Days Follow-up in Study NCT01456936.NA Unitless
Comparison: Statistical analysis for overall treatment comparison.p-value: 0.53Log Rank

Source: ClinicalTrials.gov · Data processed: Feb 24, 2026