Condition: Restless Legs Syndrome · Sponsor: University Hospital, Bordeaux
Restless Legs Syndrome (RLS) is a sensorimotor disorder primarily characterized by an irresistible urge to move the legs while at rest. A key hypothesis suggests that RLS symptoms are linked to abnormal brain function in processing internally generated stimuli, particularly interoception. This distorted perception of the internal bodily state leads to maladaptive behaviors, which may manifest across a wide range of medical and psychiatric disorders. Here, the investigators hypothesize that dysfunction in the insular cortex (IC) may result in a failure of behavioral adaptation, primarily expressed as an urge to move the legs and hyperarousal, even when the body and mind need rest. This project aims to assess the relationship between interoceptive abilities and diurnal fluctuations in IC functional connectivity (FC) in patients with RLS compared to healthy controls. The investigators will also examine correlations between the FC of the interoceptive network, measured in the morning and evening on the same day, using multilayer network analysis, daily fluctuations in RLS symptom severity, and objective measurements of the sleep/wake cycle, gathered through a two-week ambulatory assessment using mobile technologies such as Ecological Momentary Assessment (EMA) and actigraphy, along with scores from self-reported questionnaires. The findings may provide strong evidence to support or refute the hypothesis of interoceptive dysfunction in RLS patients.
This description comes directly from the study's public registry record.
Imad Marc Antoine GHORAYEB, MD, PhD · (0)5.56.79.55.13 · marc-antoine.ghorayeb@chu-bordeaux.fr
Fatima-Zahra MAKHOUKHI · fatima-zahra-makhoukhi@chu-bordeaux.fr
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| CHU de Bordeaux - Neurophysiologie Clinique de l'Enfant et de l'Adulte | Bordeaux, France | Recruiting |
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Source record: clinicaltrials.gov/study/NCT07001891