Trial Outcomes & Findings for Post Marketing Surveillance Study of Champix in Smoking Cessation for Filipino Patients (NCT NCT00794365)

NCT ID: NCT00794365

Last Updated: 2010-12-20

Results Overview

Participants who abstained from smoking in last 7 days. Abstained = response of no to both Nicotine Use Inventory questions: "In last 7 days has subject 1) smoked any cigarettes (even a puff)?, and 2) used any other nicotine-containing products?". Participants who discontinued study were counted as a smoker for the 7-day point prevalence from the timepoint of discontinuation through end of study.

Recruitment status

COMPLETED

Target enrollment

330 participants

Primary outcome timeframe

Week 4

Results posted on

2010-12-20

Participant Flow

Participant milestones

Participant milestones
Measure
Varenicline
Varenicline tartrate 0.5 milligrams (mg) once daily on Days 1 to 3, 0.5 mg twice daily (BID) on Days 4 to 7, and then 1 mg BID for the remainder of the treatment period (11 weeks).
Overall Study
STARTED
330
Overall Study
COMPLETED
251
Overall Study
NOT COMPLETED
79

Reasons for withdrawal

Reasons for withdrawal
Measure
Varenicline
Varenicline tartrate 0.5 milligrams (mg) once daily on Days 1 to 3, 0.5 mg twice daily (BID) on Days 4 to 7, and then 1 mg BID for the remainder of the treatment period (11 weeks).
Overall Study
Lost to Follow-up
38
Overall Study
Other
17
Overall Study
Poor Compliance
11
Overall Study
Adverse Event
10
Overall Study
Lack of Efficacy
3

Baseline Characteristics

Post Marketing Surveillance Study of Champix in Smoking Cessation for Filipino Patients

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Varenicline
n=330 Participants
Varenicline tartrate 0.5 milligrams (mg) once daily on Days 1 to 3, 0.5 mg twice daily (BID) on Days 4 to 7, and then 1 mg BID for the remainder of the treatment period (11 weeks).
Age, Customized
Less than 18 years
2 participants
n=5 Participants
Age, Customized
18 to 44 years
137 participants
n=5 Participants
Age, Customized
45 to 64 years
137 participants
n=5 Participants
Age, Customized
65 years and older
22 participants
n=5 Participants
Age, Customized
Unspecified
32 participants
n=5 Participants
Sex: Female, Male
Female
55 Participants
n=5 Participants
Sex: Female, Male
Male
275 Participants
n=5 Participants
Total score on the Fagerstrom Test for Nicotine Dependence
4.2 scores on a scale
STANDARD_DEVIATION 2.4 • n=5 Participants
Fagerstrom Test for Nicotine Dependence (FTND): Time to first cigarette after waking
Within 5 minutes after waking
21.2 percentage of participants
n=5 Participants
Fagerstrom Test for Nicotine Dependence (FTND): Time to first cigarette after waking
6 to 30 minutes after waking
35.2 percentage of participants
n=5 Participants
Fagerstrom Test for Nicotine Dependence (FTND): Time to first cigarette after waking
31 to 60 minutes after waking
18.2 percentage of participants
n=5 Participants
Fagerstrom Test for Nicotine Dependence (FTND): Time to first cigarette after waking
More than 60 minutes after waking
25.5 percentage of participants
n=5 Participants
Fagerstrom Test for Nicotine Dependence: Ability to refrain from smoking where it is forbidden
Yes
49.1 percentage of participants
n=5 Participants
Fagerstrom Test for Nicotine Dependence: Ability to refrain from smoking where it is forbidden
No
50.9 percentage of participants
n=5 Participants
Fagerstrom Test for Nicotine Dependence: Most difficult cigarette to give up
The first cigarette in the morning
38.2 percentage of participants
n=5 Participants
Fagerstrom Test for Nicotine Dependence: Most difficult cigarette to give up
Any other cigarette
58.8 percentage of participants
n=5 Participants
Fagerstrom Test for Nicotine Dependence: Most difficult cigarette to give up
No information
3.0 percentage of participants
n=5 Participants
Fagerstrom Test for Nicotine Dependence: Cigarettes a day
10 cigarettes or less
21.2 percentage of participants
n=5 Participants
Fagerstrom Test for Nicotine Dependence: Cigarettes a day
11 to 20 cigarettes
49.4 percentage of participants
n=5 Participants
Fagerstrom Test for Nicotine Dependence: Cigarettes a day
21 to 30 cigarettes
20.3 percentage of participants
n=5 Participants
Fagerstrom Test for Nicotine Dependence: Cigarettes a day
31 or more cigarettes
7.9 percentage of participants
n=5 Participants
Fagerstrom Test for Nicotine Dependence: Cigarettes a day
No information
1.2 percentage of participants
n=5 Participants
Fagerstrom Test for Nicotine Dependence: Frequency of smoking during first hours after waking
Yes
47.3 percentage of participants
n=5 Participants
Fagerstrom Test for Nicotine Dependence: Frequency of smoking during first hours after waking
No
52.1 percentage of participants
n=5 Participants
Fagerstrom Test for Nicotine Dependence: Frequency of smoking during first hours after waking
No information
0.6 percentage of participants
n=5 Participants
Fagerstrom Test for Nicotine Dependence: Smoking when ill
Yes
26.4 percentage of participants
n=5 Participants
Fagerstrom Test for Nicotine Dependence: Smoking when ill
No
72.7 percentage of participants
n=5 Participants
Fagerstrom Test for Nicotine Dependence: Smoking when ill
No information
0.9 percentage of participants
n=5 Participants

PRIMARY outcome

Timeframe: Week 4

Population: Intent-to-Treat (ITT): participants who took at least 1 dose of varenicline tablets.

Participants who abstained from smoking in last 7 days. Abstained = response of no to both Nicotine Use Inventory questions: "In last 7 days has subject 1) smoked any cigarettes (even a puff)?, and 2) used any other nicotine-containing products?". Participants who discontinued study were counted as a smoker for the 7-day point prevalence from the timepoint of discontinuation through end of study.

Outcome measures

Outcome measures
Measure
Varenicline
n=330 Participants
Varenicline tartrate 0.5 milligrams (mg) once daily on Days 1 to 3, 0.5 mg twice daily (BID) on Days 4 to 7, and then 1 mg BID for the remainder of the treatment period (11 weeks).
Percentage of Participants With 7-day Point Prevalence of Smoking Cessation at Week 4
58.79 percentage of participants
Interval 53.27 to 64.15

PRIMARY outcome

Timeframe: Week 8

Population: Intent-to-Treat (ITT): participants who took at least 1 dose of varenicline tablets.

Participants who abstained from smoking in last 7 days. Abstained = response of no to both Nicotine Use Inventory questions: "In last 7 days has subject 1) smoked any cigarettes (even a puff)?, and 2) used any other nicotine-containing products?". Participants who discontinued study were counted as a smoker for the 7-day point prevalence from the timepoint of discontinuation through end of study.

Outcome measures

Outcome measures
Measure
Varenicline
n=330 Participants
Varenicline tartrate 0.5 milligrams (mg) once daily on Days 1 to 3, 0.5 mg twice daily (BID) on Days 4 to 7, and then 1 mg BID for the remainder of the treatment period (11 weeks).
Percentage of Participants With 7-day Point Prevalence of Smoking Cessation at Week 8
61.52 percentage of participants
Interval 56.03 to 66.79

PRIMARY outcome

Timeframe: Week 12

Population: Intent-to-Treat (ITT): participants who took at least 1 dose of varenicline tablets.

Participants who abstained from smoking in last 7 days. Abstained = response of no to both Nicotine Use Inventory questions: "In last 7 days has subject 1) smoked any cigarettes (even a puff)?, and 2) used any other nicotine-containing products?". Participants who discontinued study were counted as a smoker for the 7-day point prevalence from the timepoint of discontinuation through end of study.

Outcome measures

Outcome measures
Measure
Varenicline
n=330 Participants
Varenicline tartrate 0.5 milligrams (mg) once daily on Days 1 to 3, 0.5 mg twice daily (BID) on Days 4 to 7, and then 1 mg BID for the remainder of the treatment period (11 weeks).
Percentage of Participants With 7-day Point Prevalence of Smoking Cessation at Week 12
57.58 percentage of participants
Interval 52.04 to 62.97

Adverse Events

Varenicline

Serious events: 0 serious events
Other events: 44 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Varenicline
n=330 participants at risk
Varenicline tartrate 0.5 milligrams (mg) once daily on Days 1 to 3, 0.5 mg twice daily (BID) on Days 4 to 7, and then 1 mg BID for the remainder of the treatment period (11 weeks).
Gastrointestinal disorders
Abdominal pain upper
1.5%
5/330
Safety population: all subjects who received at least 1 dose of study medication. An Adverse Event (AE) term may be reported as both a serious and non-serious AE, but are distinct events. AE may = serious for 1 subject and = non-serious for another subject or subject may have experienced both a serious and non-serious episode of the same event.
Gastrointestinal disorders
Nausea
3.6%
12/330
Safety population: all subjects who received at least 1 dose of study medication. An Adverse Event (AE) term may be reported as both a serious and non-serious AE, but are distinct events. AE may = serious for 1 subject and = non-serious for another subject or subject may have experienced both a serious and non-serious episode of the same event.
Investigations
Weight increased
1.8%
6/330
Safety population: all subjects who received at least 1 dose of study medication. An Adverse Event (AE) term may be reported as both a serious and non-serious AE, but are distinct events. AE may = serious for 1 subject and = non-serious for another subject or subject may have experienced both a serious and non-serious episode of the same event.
Nervous system disorders
Dizziness
3.9%
13/330
Safety population: all subjects who received at least 1 dose of study medication. An Adverse Event (AE) term may be reported as both a serious and non-serious AE, but are distinct events. AE may = serious for 1 subject and = non-serious for another subject or subject may have experienced both a serious and non-serious episode of the same event.
Nervous system disorders
Headache
5.2%
17/330
Safety population: all subjects who received at least 1 dose of study medication. An Adverse Event (AE) term may be reported as both a serious and non-serious AE, but are distinct events. AE may = serious for 1 subject and = non-serious for another subject or subject may have experienced both a serious and non-serious episode of the same event.
Psychiatric disorders
Insomnia
1.5%
5/330
Safety population: all subjects who received at least 1 dose of study medication. An Adverse Event (AE) term may be reported as both a serious and non-serious AE, but are distinct events. AE may = serious for 1 subject and = non-serious for another subject or subject may have experienced both a serious and non-serious episode of the same event.

Additional Information

Pfizer ClinicalTrials.gov Call Center

Pfizer, Inc.

Phone: 1-800-718-1021

Results disclosure agreements

  • Principal investigator is a sponsor employee Pfizer has the right to review disclosures, requesting a delay of less than 60 days. Investigator will postpone single center publications until after disclosure of pooled data (all sites), less than 12 months from study completion/termination at all participating sites. Investigator may not disclose previously undisclosed confidential information other than study results.
  • Publication restrictions are in place

Restriction type: OTHER