fMRI of Stress in Smoking Behavior

Status

Withdrawn

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT01719471

Enrollment

Registered

2012-11-01

Start date

2008-02-29

Completion date

2014-12-31

Last updated

2014-12-15

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

Conditions

Smoking

Brief summary

To examine the influence of current daily tobacco smoking on brain activation during stress, tobacco cue, and neutral relaxing conditions

Detailed description

Subjects will participate in an fMRI session to examine changes in frontal and limbic brain regions with tobacco cues, stress and neutral/relaxing imagery. During each fMRI session subjects will participate in six imagery trials: 2 different neutral/relaxing, 2 different stress and 2 different tobacco cue scripts.

Interventions

None listed

Study design

Observational model

CASE_CONTROL

Time perspective

PROSPECTIVE

Eligibility

Sex/Gender

ALL

Age

18 Years to 50 Years

Healthy volunteers

Yes

Inclusion criteria

1. age 18-50 years inclusive; 2. able to read and write English; 3. for women, being in follicular phase of menstrual cycle; 5\) Tobacco dependent sample: smokes 10 or more cigarettes daily for the past year; Non-smokers, no tobacco consumption for more than one year and never having used tobacco daily.

Exclusion criteria

1. any major neurological illness or injury and any current or prior clinically significant mental health (including PTSD) or substance use disorder (with possible exception of nicotine dependence) as determined by SCID interview; 2. use of any psychoactive medication within past four weeks; 3. any significant unstable medical condition such as asthma or heart disease for which increased cardiovascular reactivity during stress challenge might constitute a significant risk; 4. IQ\<70 based on past intelligence testing; 5. any metal in body that would pose a risk with MRI; and 6. claustrophobia that would interfere with MRI; 7. alcohol and drug use in the 72 hours prior to scanning, with the exception of tobacco; 8. pregnancy for women.

Design outcomes

Primary

Measure	Time frame
No outcome measures for this study, this is an imaging study only	Upon study completion

Countries

United States

Outcome results