Trial Outcomes & Findings for Cigarette and E-cigarette Flavors Manipulations in the Experimental Tobacco Marketplace (NCT NCT05110872)

NCT ID: NCT05110872

Last Updated: 2025-10-07

Results Overview

Participants will complete purchasing trials in an Experimental Tobacco Marketplace (ETM) with cigarettes increasing in price. Product availability in the ETM depended on the experimental condition. The average percentage of budget spent on e-cigarettes as a function of the restriction of cigarettes and/or e-cigarettes will be assessed.

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

302 participants

Primary outcome timeframe

1 day

Results posted on

2025-10-07

Participant Flow

Participant milestones

Participant milestones
Measure
Menthol Cigarette Smokers
Adults (21 y.o. and older) who smoke ate least 10 menthol cigarettes per day will be recruited. Cigarette flavor restricted and e-cigarette flavor restricted: 1) Tobacco cigarettes will be available in the Experimental Tobacco Marketplace 2) Tobacco-flavored e-cigarettes will be available in the Experimental Tobacco Marketplace Cigarette flavor restricted and e-cigarette flavor unrestricted: 1) Tobacco cigarettes will be available in the Experimental Tobacco Marketplace 2) Tobacco-flavored and a range of flavored e-cigarettes will be available in the Experimental Tobacco Marketplace Cigarette flavor unrestricted and e-cigarette flavor restricted: 1) Tobacco and menthol cigarettes will be available in the Experimental Tobacco Marketplace 2) Tobacco-flavored e-cigarettes will be available in the Experimental Tobacco Marketplace Cigarette flavor unrestricted and e-cigarette flavor unrestricted: 1) Tobacco and menthol cigarettes will be available in the Experimental Tobacco Marketplace 2) Tobacco-flavored and a range of flavored e-cigarettes will be available in the Experimental Tobacco Marketplace
Non-menthol Cigarette Smokers
Adults (21 y.o. and older) who smoke ate least 10 non-menthol cigarettes per day will be recruited. Cigarette flavor restricted and e-cigarette flavor restricted: 1) Tobacco cigarettes will be available in the Experimental Tobacco Marketplace 2) Tobacco-flavored e-cigarettes will be available in the Experimental Tobacco Marketplace Cigarette flavor restricted and e-cigarette flavor unrestricted: 1) Tobacco cigarettes will be available in the Experimental Tobacco Marketplace 2) Tobacco-flavored and a range of flavored e-cigarettes will be available in the Experimental Tobacco Marketplace Cigarette flavor unrestricted and e-cigarette flavor restricted: 1) Tobacco and menthol cigarettes will be available in the Experimental Tobacco Marketplace 2) Tobacco-flavored e-cigarettes will be available in the Experimental Tobacco Marketplace Cigarette flavor unrestricted and e-cigarette flavor unrestricted: 1) Tobacco and menthol cigarettes will be available in the Experimental Tobacco Marketplace 2) Tobacco-flavored and a range of flavored e-cigarettes will be available in the Experimental Tobacco Marketplace
Overall Study
STARTED
140
162
Overall Study
COMPLETED
140
162
Overall Study
NOT COMPLETED
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Cigarette and E-cigarette Flavors Manipulations in the Experimental Tobacco Marketplace

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Menthol Cigarette Smokers
n=130 Participants
Adults (21 y.o. and older) who smoke ate least 10 menthol cigarettes per day will be recruited. Cigarette flavor restricted and e-cigarette flavor restricted: 1) Tobacco cigarettes will be available in the Experimental Tobacco Marketplace 2) Tobacco-flavored e-cigarettes will be available in the Experimental Tobacco Marketplace Cigarette flavor restricted and e-cigarette flavor unrestricted: 1) Tobacco cigarettes will be available in the Experimental Tobacco Marketplace 2) Tobacco-flavored and a range of flavored e-cigarettes will be available in the Experimental Tobacco Marketplace Cigarette flavor unrestricted and e-cigarette flavor restricted: 1) Tobacco and menthol cigarettes will be available in the Experimental Tobacco Marketplace 2) Tobacco-flavored e-cigarettes will be available in the Experimental Tobacco Marketplace Cigarette flavor unrestricted and e-cigarette flavor unrestricted: 1) Tobacco and menthol cigarettes will be available in the Experimental Tobacco Marketplace 2) Tobacco-flavored and a range of flavored e-cigarettes will be available in the Experimental Tobacco Marketplace
Non-menthol Cigarette Smokers
n=133 Participants
Adults (21 y.o. and older) who smoke ate least 10 non-menthol cigarettes per day will be recruited. Cigarette flavor restricted and e-cigarette flavor restricted: 1) Tobacco cigarettes will be available in the Experimental Tobacco Marketplace 2) Tobacco-flavored e-cigarettes will be available in the Experimental Tobacco Marketplace Cigarette flavor restricted and e-cigarette flavor unrestricted: 1) Tobacco cigarettes will be available in the Experimental Tobacco Marketplace 2) Tobacco-flavored and a range of flavored e-cigarettes will be available in the Experimental Tobacco Marketplace Cigarette flavor unrestricted and e-cigarette flavor restricted: 1) Tobacco and menthol cigarettes will be available in the Experimental Tobacco Marketplace 2) Tobacco-flavored e-cigarettes will be available in the Experimental Tobacco Marketplace Cigarette flavor unrestricted and e-cigarette flavor unrestricted: 1) Tobacco and menthol cigarettes will be available in the Experimental Tobacco Marketplace 2) Tobacco-flavored and a range of flavored e-cigarettes will be available in the Experimental Tobacco Marketplace
Total
n=263 Participants
Total of all reporting groups
Age, Continuous
49.15 years
STANDARD_DEVIATION 13.31 • n=5 Participants
49.77 years
STANDARD_DEVIATION 13.95 • n=7 Participants
49.46 years
STANDARD_DEVIATION 13.63 • n=5 Participants
Sex/Gender, Customized
Female
70 Participants
n=5 Participants
58 Participants
n=7 Participants
128 Participants
n=5 Participants
Sex/Gender, Customized
Male
60 Participants
n=5 Participants
75 Participants
n=7 Participants
135 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
20 Participants
n=5 Participants
15 Participants
n=7 Participants
35 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
110 Participants
n=5 Participants
118 Participants
n=7 Participants
228 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
2 Participants
n=7 Participants
2 Participants
n=5 Participants
Race (NIH/OMB)
Asian
2 Participants
n=5 Participants
2 Participants
n=7 Participants
4 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
1 Participants
n=7 Participants
1 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
12 Participants
n=5 Participants
2 Participants
n=7 Participants
14 Participants
n=5 Participants
Race (NIH/OMB)
White
112 Participants
n=5 Participants
124 Participants
n=7 Participants
236 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
4 Participants
n=5 Participants
2 Participants
n=7 Participants
6 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
130 participants
n=5 Participants
133 participants
n=7 Participants
263 participants
n=5 Participants
Cigarettes per day
19.79 cigarettes per day
STANDARD_DEVIATION 13.05 • n=5 Participants
18.18 cigarettes per day
STANDARD_DEVIATION 8.82 • n=7 Participants
18.99 cigarettes per day
STANDARD_DEVIATION 10.94 • n=5 Participants

PRIMARY outcome

Timeframe: 1 day

Participants will complete purchasing trials in an Experimental Tobacco Marketplace (ETM) with cigarettes increasing in price. Product availability in the ETM depended on the experimental condition. The average percentage of budget spent on e-cigarettes as a function of the restriction of cigarettes and/or e-cigarettes will be assessed.

Outcome measures

Outcome measures
Measure
Menthol Cigarette Smokers
n=130 Participants
Adults (21 y.o. and older) who smoke ate least 10 menthol cigarettes per day will be recruited. Cigarette flavor restricted and e-cigarette flavor restricted: 1) Tobacco cigarettes will be available in the Experimental Tobacco Marketplace 2) Tobacco-flavored e-cigarettes will be available in the Experimental Tobacco Marketplace Cigarette flavor restricted and e-cigarette flavor unrestricted: 1) Tobacco cigarettes will be available in the Experimental Tobacco Marketplace 2) Tobacco-flavored and a range of flavored e-cigarettes will be available in the Experimental Tobacco Marketplace Cigarette flavor unrestricted and e-cigarette flavor restricted: 1) Tobacco and menthol cigarettes will be available in the Experimental Tobacco Marketplace 2) Tobacco-flavored e-cigarettes will be available in the Experimental Tobacco Marketplace Cigarette flavor unrestricted and e-cigarette flavor unrestricted: 1) Tobacco and menthol cigarettes will be available in the Experimental Tobacco Marketplace 2) Tobacco-flavored and a range of flavored e-cigarettes will be available in the Experimental Tobacco Marketplace
Non-menthol Cigarette Smokers
n=133 Participants
Adults (21 y.o. and older) who smoke ate least 10 non-menthol cigarettes per day will be recruited. Cigarette flavor restricted and e-cigarette flavor restricted: 1) Tobacco cigarettes will be available in the Experimental Tobacco Marketplace 2) Tobacco-flavored e-cigarettes will be available in the Experimental Tobacco Marketplace Cigarette flavor restricted and e-cigarette flavor unrestricted: 1) Tobacco cigarettes will be available in the Experimental Tobacco Marketplace 2) Tobacco-flavored and a range of flavored e-cigarettes will be available in the Experimental Tobacco Marketplace Cigarette flavor unrestricted and e-cigarette flavor restricted: 1) Tobacco and menthol cigarettes will be available in the Experimental Tobacco Marketplace 2) Tobacco-flavored e-cigarettes will be available in the Experimental Tobacco Marketplace Cigarette flavor unrestricted and e-cigarette flavor unrestricted: 1) Tobacco and menthol cigarettes will be available in the Experimental Tobacco Marketplace 2) Tobacco-flavored and a range of flavored e-cigarettes will be available in the Experimental Tobacco Marketplace
Spent the Budget on E-cigarettes for Each Condition
Cigarette Restriction
14.74 percentage of spent budget
Standard Error 1.62
14.65 percentage of spent budget
Standard Error 1.38
Spent the Budget on E-cigarettes for Each Condition
E-cigarette restriction
8.20 percentage of spent budget
Standard Error 1.17
15.03 percentage of spent budget
Standard Error 1.42
Spent the Budget on E-cigarettes for Each Condition
Cigarette and E-cigarette Restriction
10.64 percentage of spent budget
Standard Error 1.36
14.87 percentage of spent budget
Standard Error 1.44
Spent the Budget on E-cigarettes for Each Condition
No Restriction on Cigarettes or E-cigarettes
11.35 percentage of spent budget
Standard Error 1.45
16.07 percentage of spent budget
Standard Error 1.47

PRIMARY outcome

Timeframe: 1 day

Participants will complete purchasing trials in an Experimental Tobacco Marketplace (ETM) with cigarettes increasing in price. Product availability in the ETM depended on the experimental condition. The average percentage of the budget spent on cigarettes as a function of the restriction of cigarettes and/or e-cigarettes will be assessed.

Outcome measures

Outcome measures
Measure
Menthol Cigarette Smokers
n=130 Participants
Adults (21 y.o. and older) who smoke ate least 10 menthol cigarettes per day will be recruited. Cigarette flavor restricted and e-cigarette flavor restricted: 1) Tobacco cigarettes will be available in the Experimental Tobacco Marketplace 2) Tobacco-flavored e-cigarettes will be available in the Experimental Tobacco Marketplace Cigarette flavor restricted and e-cigarette flavor unrestricted: 1) Tobacco cigarettes will be available in the Experimental Tobacco Marketplace 2) Tobacco-flavored and a range of flavored e-cigarettes will be available in the Experimental Tobacco Marketplace Cigarette flavor unrestricted and e-cigarette flavor restricted: 1) Tobacco and menthol cigarettes will be available in the Experimental Tobacco Marketplace 2) Tobacco-flavored e-cigarettes will be available in the Experimental Tobacco Marketplace Cigarette flavor unrestricted and e-cigarette flavor unrestricted: 1) Tobacco and menthol cigarettes will be available in the Experimental Tobacco Marketplace 2) Tobacco-flavored and a range of flavored e-cigarettes will be available in the Experimental Tobacco Marketplace
Non-menthol Cigarette Smokers
n=133 Participants
Adults (21 y.o. and older) who smoke ate least 10 non-menthol cigarettes per day will be recruited. Cigarette flavor restricted and e-cigarette flavor restricted: 1) Tobacco cigarettes will be available in the Experimental Tobacco Marketplace 2) Tobacco-flavored e-cigarettes will be available in the Experimental Tobacco Marketplace Cigarette flavor restricted and e-cigarette flavor unrestricted: 1) Tobacco cigarettes will be available in the Experimental Tobacco Marketplace 2) Tobacco-flavored and a range of flavored e-cigarettes will be available in the Experimental Tobacco Marketplace Cigarette flavor unrestricted and e-cigarette flavor restricted: 1) Tobacco and menthol cigarettes will be available in the Experimental Tobacco Marketplace 2) Tobacco-flavored e-cigarettes will be available in the Experimental Tobacco Marketplace Cigarette flavor unrestricted and e-cigarette flavor unrestricted: 1) Tobacco and menthol cigarettes will be available in the Experimental Tobacco Marketplace 2) Tobacco-flavored and a range of flavored e-cigarettes will be available in the Experimental Tobacco Marketplace
Spent Budget on Cigarettes for Each Condition
Cigarette and E-cigarette Restriction
55.04 percentage of spent budget
Standard Error 2.56
65.82 percentage of spent budget
Standard Error 2.03
Spent Budget on Cigarettes for Each Condition
Cigarette Restriction
53.05 percentage of spent budget
Standard Error 2.57
65.80 percentage of spent budget
Standard Error 2.02
Spent Budget on Cigarettes for Each Condition
E-cigarette Restriction
73.60 percentage of spent budget
Standard Error 2.13
65.72 percentage of spent budget
Standard Error 2.00
Spent Budget on Cigarettes for Each Condition
No Restriction on Cigarettes or E-cigarettes
72.05 percentage of spent budget
Standard Error 2.14
65.20 percentage of spent budget
Standard Error 2.03

Adverse Events

Menthol Cigarette Smokers

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

Non-menthol Cigarette Smokers

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

Dr. Freitas-Lemos

Fralin Biomedical Research Institute at Virginia Tech Carilion

Phone: 540-526-2106

Results disclosure agreements

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