Trial Outcomes & Findings for Smokers' Response to Nicotine Dependence Genotyping (NCT NCT01780038)

NCT ID: NCT01780038

Last Updated: 2024-10-31

Results Overview

Abstinence: Point-Prevalence \& Continuous Self-Report; Exhaled Carbon Monoxide (CO): \<= 6 ppm past 24 hrs.; Salivary Cotinine: \<15 ng/ml past 7 days

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

24 participants

Primary outcome timeframe

Assessed at Weeks 6 and 10 after Genotyping Results, Week 10 reported

Results posted on

2024-10-31

Participant Flow

A total of 169 persons contacted the study coordinator (n = 169). Of these, 63 were lost to follow-up due to non-return of phone call when contacted. A total of 43 participants completed the assessment for eligibility. Of these 19 were excluded (7 did not meet the criteria and 12 declined to participate further). A total of 24 participants were randomized, 12 each to the experimental and control groups.

Participant milestones

Participant milestones
Measure
Receipt of Genetic Results
Receipt of Genetic Results indicates that participants have received the results of genotyping for RS1051730 Receipt of Genetic Results: Participants will receive the results of genotyping for RS1051730
No Results Given
Participants will not be offered to receive the results of genotyping for RS1051730 until all data collection has been completed. No results given: Participants will not be offered to receive the results of genotyping for RS1051730 until all data collection has been completed.
Overall Study
STARTED
12
12
Overall Study
COMPLETED
8
11
Overall Study
NOT COMPLETED
4
1

Reasons for withdrawal

Reasons for withdrawal
Measure
Receipt of Genetic Results
Receipt of Genetic Results indicates that participants have received the results of genotyping for RS1051730 Receipt of Genetic Results: Participants will receive the results of genotyping for RS1051730
No Results Given
Participants will not be offered to receive the results of genotyping for RS1051730 until all data collection has been completed. No results given: Participants will not be offered to receive the results of genotyping for RS1051730 until all data collection has been completed.
Overall Study
Lost to Follow-up
4
1

Baseline Characteristics

Smokers' Response to Nicotine Dependence Genotyping

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Receipt of Genetic Results
n=12 Participants
Receipt of Genetic Results indicates that participants have received the results of genotyping for RS1051730 Receipt of Genetic Results: Participants will receive the results of genotyping for RS1051730
No Results Given
n=12 Participants
Participants will not be offered to receive the results of genotyping for RS1051730 until all data collection has been completed. No results given: Participants will not be offered to receive the results of genotyping for RS1051730 until all data collection has been completed.
Total
n=24 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
12 Participants
n=5 Participants
10 Participants
n=7 Participants
22 Participants
n=5 Participants
Age, Categorical
>=65 years
0 Participants
n=5 Participants
2 Participants
n=7 Participants
2 Participants
n=5 Participants
Sex: Female, Male
Female
8 Participants
n=5 Participants
7 Participants
n=7 Participants
15 Participants
n=5 Participants
Sex: Female, Male
Male
4 Participants
n=5 Participants
5 Participants
n=7 Participants
9 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
12 Participants
n=5 Participants
11 Participants
n=7 Participants
23 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
1 Participants
n=7 Participants
1 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Asian
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
1 Participants
n=5 Participants
2 Participants
n=7 Participants
3 Participants
n=5 Participants
Race (NIH/OMB)
White
11 Participants
n=5 Participants
9 Participants
n=7 Participants
20 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
1 Participants
n=7 Participants
1 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Region of Enrollment
United States
12 Participants
n=5 Participants
12 Participants
n=7 Participants
24 Participants
n=5 Participants

PRIMARY outcome

Timeframe: Assessed at Weeks 6 and 10 after Genotyping Results, Week 10 reported

Abstinence: Point-Prevalence \& Continuous Self-Report; Exhaled Carbon Monoxide (CO): \<= 6 ppm past 24 hrs.; Salivary Cotinine: \<15 ng/ml past 7 days

Outcome measures

Outcome measures
Measure
Receipt of Genetic Results
n=8 Participants
Receipt of Genetic Results indicates that participants have received the results of genotyping for RS1051730 Receipt of Genetic Results: Participants will receive the results of genotyping for RS1051730
No Results Given
n=11 Participants
Participants will not be offered to receive the results of genotyping for RS1051730 until all data collection has been completed. No results given: Participants will not be offered to receive the results of genotyping for RS1051730 until all data collection has been completed.
Change in Baseline Smoking Abstinence at 6 and 10 Weeks After Genotyping Results
Total Achieving Cessation
1 Participants
0 Participants
Change in Baseline Smoking Abstinence at 6 and 10 Weeks After Genotyping Results
Total Still Smoking
7 Participants
11 Participants

SECONDARY outcome

Timeframe: Assessed at Weeks 6 and 10 weeks after Genotyping Results, Week 10 reported.

Use of Pharmacotherapy: Self-report of type and frequency of use of FDA-approved smoking cessation medications.

Outcome measures

Outcome measures
Measure
Receipt of Genetic Results
n=8 Participants
Receipt of Genetic Results indicates that participants have received the results of genotyping for RS1051730 Receipt of Genetic Results: Participants will receive the results of genotyping for RS1051730
No Results Given
n=11 Participants
Participants will not be offered to receive the results of genotyping for RS1051730 until all data collection has been completed. No results given: Participants will not be offered to receive the results of genotyping for RS1051730 until all data collection has been completed.
Change in Baseline Use of Pharmacotherapy at 6 and 10 Weeks After Genotyping Results
Pharmacotherapy use
2 Participants
2 Participants
Change in Baseline Use of Pharmacotherapy at 6 and 10 Weeks After Genotyping Results
No pharmacotherapy use
6 Participants
9 Participants

Adverse Events

Receipt of Genetic Results

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

No Results Given

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

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Julia F Houfek

University of Nebraska Medical Center

Phone: 402-660-4046

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place