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Effects of Smoking State on Decision Making

Effects of Smoking State on Effort-based Decision Making

Status
Completed
Phases
Unknown
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04826276
Acronym
Effort
Enrollment
5
Registered
2021-04-01
Start date
2022-09-01
Completion date
2023-03-28
Last updated
2026-05-01

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

Conditions

Behavior

Keywords

Decision making

Brief summary

Adult smokers will be tested using behavioral and neuroimaging measures after smoking as usual and after overnight abstinence.

Interventions

participants will be asked to not smoke for at least 12 hours

OTHERsmoking satiety

participants will be asked to smoke as usual

Sponsors

Wake Forest University Health Sciences
Lead SponsorOTHER
National Institute on Drug Abuse (NIDA)
CollaboratorNIH

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
BASIC_SCIENCE
Masking
NONE

Intervention model description

Participants will be instructed to smoke as usual before one fMRI study visit (satiated state) and to abstain from using all tobacco/nicotine for 12 hours before the other fMRI study visit (abstinence and/or withdrawn state). The order of the satiated and abstinence/withdrawn study visits will be randomized and counterbalanced across participants.

Eligibility

Sex/Gender
ALL
Age
18 Years to 55 Years
Healthy volunteers
Yes

Inclusion criteria

* Aged 18-55 years * Smokes cigarettes or e-cigarettes * Negative urine drug screen

Exclusion criteria

* Unstable or serious medical or mental health condition * History of serious head trauma * Pregnancy * Unsuitable for MRI * Weight \> 350 pounds (maximum allowed for MRI)

Design outcomes

Primary

MeasureTime frameDescription
Effort Based Decision Makingapproximately 2 weeksnumber of high effort selections
Distress Tolerance Behaviorapproximately 2 weeksduration on measures of distress tolerance

Countries

United States

Contacts

PRINCIPAL_INVESTIGATORMerideth Addicott, PhD

Wake Forest University Health Sciences

Baseline characteristics

Characteristic
Age, Categorical
<=18 years
0 Participants
Age, Categorical
>=65 years
0 Participants
Age, Categorical
Between 18 and 65 years
5 Participants
Age, Continuous31.4 years
STANDARD_DEVIATION 10.3
cigarettes per day4.2 cigarettes per day
STANDARD_DEVIATION 4.2
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
Race (NIH/OMB)
Asian
0 Participants
Race (NIH/OMB)
Black or African American
2 Participants
Race (NIH/OMB)
More than one race
0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
Race (NIH/OMB)
White
2 Participants
Region of Enrollment
United States
2 participants
Sex: Female, Male
Female
0 Participants
Sex: Female, Male
Male
3 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
0 / 20 / 3
other
Total, other adverse events
0 / 20 / 2
serious
Total, serious adverse events
0 / 20 / 3

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: May 2, 2026