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Clinical Trial Summary

The purpose of this study is to evaluate the potential additive effect of tDCS compared to placebo-sham in opioid analgesia on pain thresholds in nociceptive experimental model in healthy volunteers .


Clinical Trial Description

Pain is a prevalent symptom in medicine and the role of various opioids is valuable in the treatment of moderate to severe pain. Several technologies of brain stimulation , including transcranial direct current stimulation ( tDCS) are emerging as therapeutic options for many pain conditions. The effect of tDCS was demonstrated in sensory perception , decreasing the threshold for acute pain in healthy volunteers and in various chronic pain conditions . There is evidence about the use of tDCS with the participation through many mechanisms in cortical modulation , including the regulation of neurotransmitters, including opioids. In the context of neurostimulation, opioidergic system and cortical pain modulation, emerge the hypothesis of a possible potentiating effect of tDCS on clinical application of opioid analgesia. ;


Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator, Outcomes Assessor), Primary Purpose: Treatment


Related Conditions & MeSH terms


NCT number NCT02432677
Study type Interventional
Source Hospital de Clinicas de Porto Alegre
Contact Gilberto Braulio, MD
Phone +555183008300
Email gbraulio@hcpa.ufrgs.br
Status Recruiting
Phase Phase 2
Start date July 2014
Completion date April 2016

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