The Effect of Transcutaneous Magnetic Stimulation on Acute Pain.

Status Withdrawn

Clinical Trial Summary

This is a single institution, single-blinded, long-term exploratory study using participant as his/her own control to evaluate and compare the potential analgesic effect on experimental heat pain of Transcutaneous Magnetic Stimulation (TMS). TMS will be delivered by a commercially available device (Rapid2, Magstim Corp) at three different cortical target sites and one sham target site in healthy participants 18-88 years of age. The quantitative evaluation measure is the change in the painful heat threshold Quantitative Sensory Testing (QST) of thresholds for cutaneous heat stimuli before and after TMS.

Clinical Trial Description

After subjects contact the office to express interest in being involved with this protocol, subjects will take the telephone screening questionnaire. Those who meet inclusion criteria with no exclusions will come for first visit. At this visit, subjects will discuss and sign the consent form, and have a one sequence MRI scan which is used to localize sites in the brain to be stimulated with TMS. The subjects will then have four visits at intervals of two weeks; each visit will have TMS intervention designated (SITE1), (SITE2), (SITE3), and (SITE4). TMS will be applied each of four sites (SITE1, SITE2, SITE3, and SITE4) which will be randomly assigned among stimulation sites Medial Frontal (MF), Dorsolateral Frontal (DL), Primary Motor Cortex (M1 and superior Interparietal sulcus (Sham) and counterbalanced across subjects (see Diagram below). During each of visits 2 to 5, the participant will undergo baseline Quantitative Sensory Testing (QST), followed by TMS stimulation and then by repeat QST. QST will consist of pain thresholds for cutaneous hot stimuli. Visits 2 through 5 will last for approximately 1 hour each and will occur at two-week intervals. The total study duration will be 50 days for each subject. Study enrollment will last for three years and total study duration will be four years. ;

Study Design

Related Conditions & MeSH terms

Pain Perception

Clinical Trial Details

NCT number	NCT03777137
Study type	Observational
Source	Johns Hopkins University
Contact
Status	Withdrawn
Phase
Start date	October 1, 2021
Completion date	July 1, 2027

View Details

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