Pain Clinical Trial
Official title:
Neural Mechanisms of Immersive Virtual Reality in Chronic Pain
This project examines, in chronic pain, the mechanisms of immersive virtual reality compared to the mechanisms of placebo hypoalgesia. The potential of developing new non-pharmacological premises for low-risk interventions for pain management is high.
Virtual reality (VR) has been seen as an intervention for alleviating clinical chronic (and acute) pain. An approach to pain management utilizing VR presents opportunities for reducing pain and suffering by using immersive, aesthetic, and multisensory stimulation. Investigator will analyze the behavioral and neural mechanisms of active VR against sham VR as two methods that investigate descending pain modulation. Thus, the central hypothesis is that those who respond to placebos will likely respond to active VR. If VR-induced analgesia depends upon the release of endogenous opioids. In this project, the investigators will determine the effects of VR at the neural and clinical levels directly for TMD participants, inviting participants from an existing Colloca Lab-based cohort phenotyped for diagnosis, grade, and low/high impact pain profiles and prospective TMD participants in collaboration with Johns Hopkins University. These participants have agreed to be recontacted for further research. Investigator will determine the role of the opioid tone (AIM1). In Aim 1, the investigators will determine the role of the endogenous opioid tone for VR-induced hypoalgesia in TMD participants using VR, tonic painful stimuli, and naloxone given intranasally with established mu-opioid receptor occupancy to determine how the opioid tone shapes VR-induced hypoalgesia. ;
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