Beta-Adrenergic Modulation of Drug Cue Reactivity

Status Not yet recruiting

Clinical Trial Summary

This study is designed to investigate the effects of a beta-adrenergic antagonist (Propranolol; 40 mg IR) and nicotine patch (14 mg) administered alone and in combination on neurobiological and behavioral responses to smoking cues in ongoing cigarette smokers. This is a basic experimental study in humans and participants will not take these medications for an extended period or make a cessation attempt as part of their involvement in this research project.

Clinical Trial Description

Cigarette use remains a serious public health problem in the United States and worldwide. Effective pharmacological interventions for smoking cessation exist, but these medications primarily target nicotine withdrawal and smoking reinforcement. The cues and contexts associated with smoking also play an important role in driving smoking behavior, but evidence is extremely mixed whether existing interventions can effectively attenuate smoking urges and behavior in response to these cues and contexts. In a previous pilot trial, the investigators demonstrated that propranolol suppressed smoking cue reactivity and brain activation across a constellation of brain regions implicated in nicotine dependence. Here, the investigators seek to extend this work by examining effects when the drug is administered in combination with an established treatment targeting withdrawal and reinforcement (i.e., nicotine patch). Following consent and screening/baseline activities, participants will attend four neuroimaging appointments each lasting approximately 5 hours. Participants will be fitted with a nicotine or placebo patch, fed a standard meal and then administered propranolol or placebo. Participants will complete questionnaires and have their heart rate/blood pressure monitored throughout the visit. During the MRI scan, participants will be asked to complete both resting scans and task-based scans during which participants will view images of smoking and non-smoking objects and scenes. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT05587361
Study type	Interventional
Source	University of Oklahoma
Contact	Jason A Oliver, PhD
Phone	405-271-8001
Email	Jason-Oliver@ouhsc.edu
Status	Not yet recruiting
Phase	Phase 4
Start date	June 1, 2024
Completion date	March 30, 2025

View Details

See also
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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.