Investigation of the Effects of Sleep Fragmentation on Itch and Pain Sensitivity
Investigation of the Effects of Sleep Provocations on Itch and Pain Sensitivity
Aalborg University
30 participants
Dec 15, 2023
INTERVENTIONAL
Conditions
Summary
In This experiment, the investigators would like to test following hypotheses regarding the influence of sleep fragmentation on itch: * To investigate similarity and differences between itch and pain by comparing the effect of sleep deprivation in them. * To evaluate the inflammatory state induced by sleep fragmentation via the analysis of C-reactive protein (CRP) levels from blood samples. * To correlate the anxiety and depression scores (evaluated through questionnaires) with itch and pain sensitivity and evaluate how they are affected by sleep fragmentation.
Eligibility
Plain Language Summary
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Interventions
Histaminergic itch will be evoked by a 1% histamine solution. A droplet of histamine solution will be placed on the predetermined area on the forearm, and the SPT lancet will be pierced through the histamine with 120 g of pressure for 1-2 seconds
25 spicules will be inserted in the centre of the predefined skin area on the mandibular area. The spicules will be gently rubbed for 15-20 seconds in circular motion to facilitate epidermal penetration
Locations(1)
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NCT06081946