Last updated on December 2018

fMRI and Visceral Perception Upon Capsaicin Infusion


Brief description of study

Brain imaging has shown abnormal brain activations in response to visceral stimulation in patients with the Irritable Bowel Syndrome (IBS) and Functional Dyspepsia (FD). To investigate the possible role of the Nucleus of the Solitary Tract (NTS), the primary relay station in the brainstem for vagal afferents, its activation in IBS and functional dyspepsia patients will be evaluated. Prior to this, an exploratory study in healthy volunteers will be conducted. This will be the first high magnetic field fMRI study (7T) evaluating the possible role of NTS activation in visceral abdominal pain. Moreover, this will be the first pharmacological fMRI study using duodenal capsaicin infusion as a chemical stimulus, which is more physiological than mechano-stimulation in the upper gastrointestinal tract.

Clinical Study Identifier: NCT02551029

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D. Keszthelyi, MD. PhD

Maastricht University Medical Center
Maastricht, Netherlands
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Recruitment Status: Open


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