fMRI of Stress in Smoking Behavior

Yale University

Status: Withdrawn

Conditions: Smoking

Study type: Observational

Funder types: Other; NIH

Identifiers

NCT01719471

RL1AA017539 (U.S. NIH Grant/Contract)

0805003898

Details and patient eligibility

About

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

Full 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.

Sex: All

Ages: 18 to 50 years old

Volunteers: Accepts Healthy Volunteers

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.

Trial design

0 participants in 2 patient groups

Smokers

Description:

Nicotine dependent individuals otherwise medically healthy

Healthy

Description:

Medically healthy individuals who do not smoke