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Investigation of antihyperalgesic effect... - topical lidocaine in i.d. capsaicin and sunburn model

Conditions
volunteer study with healthy volunteers using the intradermal capsaicin injection and UV-B sunburn as models of hyperalgesia
Registration Number
EUCTR2005-004426-93-AT
Lead Sponsor
Department of Anaesthesia and General Intensive Care Medicine
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
ot Recruiting
Sex
All
Target Recruitment
Not specified
Inclusion Criteria

20 healthy volunteers (male:female=1:1) will be included in the study. Age 19-40 years, Body mass index 19-29, drug free, pain free.
Are the trial subjects under 18? no
Number of subjects for this age range:
F.1.2 Adults (18-64 years) yes
F.1.2.1 Number of subjects for this age range
F.1.3 Elderly (>=65 years)
F.1.3.1 Number of subjects for this age range

Exclusion Criteria

Pregnancy, any disease, ongoing pain, previous exposure to UV-light (sun exposure)

Study & Design

Study Type
Interventional clinical trial of medicinal product
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Main Objective: In this study the follwing hypotheses will be tested:<br>- Topical application of lidocain decreases the mechanical primary hyperalgesia of the skin compared to vehicle<br>- Thermal thresholds will be decreased by lidocain plaster;Secondary Objective: secondary hyperalgesia, intensitiy and area of inflammation;Primary end point(s): mechanical stimulus response after 12 hours of treatment with topical lidocaine plaster in the sunburn area and in the area of capsaicin injection compared to vehicle
Secondary Outcome Measures
NameTimeMethod
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