THE EFFECT OF tDCS IN THE TREATMENT OF CHRONIC PELVIC PAIN ASSOCIATED WITH ENDOMETRIOSIS
NCT ID: NCT02161302
Last Updated: 2026-01-15
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
NA
30 participants
INTERVENTIONAL
2014-06-30
2016-05-31
Brief Summary
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
TRIPLE
Study Groups
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Active tDCS
tDCS will be applied in the head of the patients in 20 minute sessions, daily from Monday to Friday for 2 weeks (10 sessions total). The stimulation will be administered with a pair of surface electrodes, sponge coated, soaked in saline. A battery-powered constant current stimulator will be used for this purpose (tDCS device Soterix 1X1). The stimulation is performed by placing the anodal electrode in the primary motor cortex (M1) and the cathodal one in the contralateral supraorbital area, and it will use a 2 mA current.
transcranial direct current stimulation (tDCS)
The stimulation will be administered with a pair of surface electrodes, sponge coated, soaked in saline. A battery-powered constant current stimulator will be used for this purpose (tDCS device Soterix 1X1). The stimulation is performed by placing the anodal electrode in the primary motor cortex (M1) and the cathodal one in the contralateral supraorbital area and it will use a 2 mA current.
tDCS Sham
The sham tDCS consists of the same montage of the active tDCS, but the device is turned off 30 seconds after initiating stimulation (without letting the patient notice it). Rest of the montage is kept identical as the active one during the 20 minutes that the session lasts.
Sham Transcranial Direct Current Stimulation
The sham tDCS consists of the same montage of the active tDCS, but the device is turned off 30 seconds after initiating stimulation (without letting the patient notice it). Rest of the montage is kept identical as the active one during the 20 minutes that the session lasts.
Interventions
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transcranial direct current stimulation (tDCS)
The stimulation will be administered with a pair of surface electrodes, sponge coated, soaked in saline. A battery-powered constant current stimulator will be used for this purpose (tDCS device Soterix 1X1). The stimulation is performed by placing the anodal electrode in the primary motor cortex (M1) and the cathodal one in the contralateral supraorbital area and it will use a 2 mA current.
Sham Transcranial Direct Current Stimulation
The sham tDCS consists of the same montage of the active tDCS, but the device is turned off 30 seconds after initiating stimulation (without letting the patient notice it). Rest of the montage is kept identical as the active one during the 20 minutes that the session lasts.
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
Exclusion Criteria
18 Years
55 Years
FEMALE
No
Sponsors
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Hospital de Clinicas de Porto Alegre
OTHER
Responsible Party
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Principal Investigators
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Wolnei Caumo, MD, PhD
Role: PRINCIPAL_INVESTIGATOR
Hospital de Clínicas de Porto Alegre
Locations
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Hospital de Clínicas de Porto Alegre
Porto Alegre, Rio Grande do Sul, Brazil
Countries
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References
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Valle A, Roizenblatt S, Botte S, Zaghi S, Riberto M, Tufik S, Boggio PS, Fregni F. Efficacy of anodal transcranial direct current stimulation (tDCS) for the treatment of fibromyalgia: results of a randomized, sham-controlled longitudinal clinical trial. J Pain Manag. 2009;2(3):353-361.
Nacul AP, Spritzer PM. [Current aspects on diagnosis and treatment of endometriosis]. Rev Bras Ginecol Obstet. 2010 Jun;32(6):298-307. doi: 10.1590/s0100-72032010000600008. Portuguese.
Boros K, Poreisz C, Munchau A, Paulus W, Nitsche MA. Premotor transcranial direct current stimulation (tDCS) affects primary motor excitability in humans. Eur J Neurosci. 2008 Mar;27(5):1292-300. doi: 10.1111/j.1460-9568.2008.06090.x. Epub 2008 Feb 29.
Nitsche MA, Liebetanz D, Antal A, Lang N, Tergau F, Paulus W. Modulation of cortical excitability by weak direct current stimulation--technical, safety and functional aspects. Suppl Clin Neurophysiol. 2003;56:255-76. doi: 10.1016/s1567-424x(09)70230-2. No abstract available.
Nitsche MA, Cohen LG, Wassermann EM, Priori A, Lang N, Antal A, Paulus W, Hummel F, Boggio PS, Fregni F, Pascual-Leone A. Transcranial direct current stimulation: State of the art 2008. Brain Stimul. 2008 Jul;1(3):206-23. doi: 10.1016/j.brs.2008.06.004. Epub 2008 Jul 1.
Fenton BW, Palmieri PA, Boggio P, Fanning J, Fregni F. A preliminary study of transcranial direct current stimulation for the treatment of refractory chronic pelvic pain. Brain Stimul. 2009 Apr;2(2):103-7. doi: 10.1016/j.brs.2008.09.009. Epub 2009 Feb 28.
Caumo W, Ruehlman LS, Karoly P, Sehn F, Vidor LP, Dall-Agnol L, Chassot M, Torres IL. Cross-cultural adaptation and validation of the profile of chronic pain: screen for a Brazilian population. Pain Med. 2013 Jan;14(1):52-61. doi: 10.1111/j.1526-4637.2012.01528.x. Epub 2012 Nov 21.
Sehn F, Chachamovich E, Vidor LP, Dall-Agnol L, de Souza IC, Torres IL, Fregni F, Caumo W. Cross-cultural adaptation and validation of the Brazilian Portuguese version of the pain catastrophizing scale. Pain Med. 2012 Nov;13(11):1425-35. doi: 10.1111/j.1526-4637.2012.01492.x. Epub 2012 Oct 4.
Other Identifiers
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14-0092
Identifier Type: -
Identifier Source: org_study_id
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