At a glance
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Activation of A-delta-fibres and C-fibres in a First Degree Thermal Injury in Volunteers
In Brief
A clinical study evaluating CO2-Laser stimulation (Laser Stimulation Device, SIFEC) for Healthy Subjects. Completed, enrolled 18 participants across 1 site.
Detailed Summary
The aim of this study is to measure reaction times and thermal detection thresholds to CO2 laser stimulation of the skin, before and after a first degree thermal injury, in the primary and secondary hyperalgesia area, in order to investigate whether different nerve-fiber classes are activated in the post-injury phase. The study results are expected to uncover existence of a peripheral inflammatory input contributing to secondary hyperalgesia.
Study Details
Timeline
Interventions
Laser stimuli are evenly applied in 15 spots (each 6 mm in diameter) in the primary hyperalgesic zone (application zone of the contact thermode) and in the secondary hyperalgesic zone (1 cm outside the application zone of the contact thermode).