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Pain Sensitivity and Pruritus of Peripheral Nerves
Sponsor: Aalborg University
Summary
Previous research has demonstrated that itch and pain share several underlying neural pathways and signaling molecules. Understanding these common mechanisms is important for developing more effective therapeutic strategies targeting both sensations. Mepyramine, an antihistamine, has been reported to exert effects on both itch and pain perception. In this study, we aim to investigate these effects using established experimental models of itch and pain. Itch will be induced using histamine, a naturally occurring substance in the human body, and spicules from the plant Mucuna pruriens (cowhage), while electrical stimulation will be used to assess pain-related responses. By combining these experimental approaches, we aim to better understand how mepyramine influences different sensory mechanisms. The overall purpose of this study is to evaluate the effects of mepyramine on experimentally induced itch and pain in healthy volunteers.
Official title: Pain Sensitivity and Pruritus of Peripheral Nerves - Can we Differentiate These Signals by Use of Pharmacological Modulation and Human Experimental Research?
Key Details
Gender
All
Age Range
18 Years - 60 Years
Study Type
INTERVENTIONAL
Enrollment
20
Start Date
2026-10-15
Completion Date
2028-12-31
Last Updated
2026-10-22
Healthy Volunteers
Yes
Conditions
Interventions
Mepyramine cream
Mepyramine cream 2%
Histamine Dihydrochloride (HDC)
One drop of histamine will be applied on the selected areas and pierced with a lancet.
Cowhage (Mucuna Pruriens)
About 30 spicules will be applied on the selected areas and inserted manually
Locations (1)
Center for Neuroplasticity and Pain Faculty of Medicine, Aalborg University Selma Lagerløfs Vej 249 9260 Gistrup, Denmark
Gistrup, Aalborg, Denmark