Developing an Objective Measure of Experienced Pain

Status Completed

Clinical Trial Summary

Pain is a public health challenge around the world. However, there is no single standardized measure of pain, to the point that the estimated prevalence of chronic pain in adults ranges between 2% and 64% depending on the methods and definitions used. Existing measures of pain are known to present several problems and results can be hardly compared between people. The investigators propose and empirically validate a new, simple method to measure experienced pain in clinical trials. The method provides an objective, cardinal measurement of experienced pain which is comparable between people and the investigators test whether it is better able to measure experienced pain than existing procedures. The investigators test the new method in healthy participants using standard protocols (electrical and heat stimuli). The investigators also aim to validate the measure using a causal manipulation which relies on the administration of a topical analgesic product compared to a placebo.

Clinical Trial Description

The aim of this study is to establish and validate the proposed method of measuring pain using different pain stimuli. The investigators correlate these measurements with physiological data such as skin-conductance, heart-rate variability, pupil dilation, and with established measures of pain such as Numeric rating scale (NRS), Visual analog scale (VAS), general Labeled Magnitude Scale (gLMS). In addition, the investigators study the test-retest reliability of our measure of pain and its ability to capture a reduction in experienced pain due to a topical analgesic product compared to a placebo treatment. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT05415423
Study type	Interventional
Source	University of Zurich
Contact
Status	Completed
Phase	N/A
Start date	June 6, 2022
Completion date	September 26, 2022

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