Clinical Research Directory

Feasibility of Integrating Olfactory Stimuli Into Virtual Reality Cue Exposure for Patients With Alcohol Dependence

Sponsor: Charite University, Berlin, Germany

Summary

Alcohol dependence (AD) is a prevalent and burdensome clinical condition with high relapse rates. A central risk factor for relapse is craving for alcohol, which can be evoked by both real-world and virtual cues in immersive Virtual Reality (VR). In addition to visual and auditory stimuli, olfactory stimuli are increasingly recognized as important for creating realistic, multisensory VR environments. However, no systematic investigation has yet examined how olfactory stimuli embedded in VR-based Cue Exposure (VR-CE) influence cue-elicited craving. As part of the OLFA-VR (Effects of Olfactory Stimuli in Virtual Reality Cue Exposure on Craving in Alcohol Dependence) research project, the present feasibility study aims to evaluate the feasibility, tolerability and acceptability of implementing olfactory stimuli into VR-CE. In addition, this study not only examines the general feasibility of alcohol-related olfactory stimuli in VR-CE but also explores which specific alcohol-related olfactory stimuli prove to be feasible. The investigators hypothesize that implementing olfactory stimuli into VR-CE will be feasible and tolerable for patients with AD, with no preventable serious side effects caused by VR-CE. The investigators also hypothesize that VR-CE will induce craving in most patients.

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