Large Treatment Effect With Extended Home-Based Transcranial Direct Current Stimulation Over Dorsolateral Prefrontal Cortex in Fibromyalgia: A Proof of Concept Sham-Randomized Clinical Study. Brietzke, A. P., Zortea, M., Carvalho, F., Sanches, P. R. S., Silva, D. P. J., Torres, I. L. d. S., Fregni, F., & Caumo, W. The Journal of Pain, July, 2019. ZSCC: 0000001![Large Treatment Effect With Extended Home-Based Transcranial Direct Current Stimulation Over Dorsolateral Prefrontal Cortex in Fibromyalgia: A Proof of Concept Sham-Randomized Clinical Study [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex This randomized, double-blind controlled trial tested the hypothesis that 60 sessions of home-based anodal (a)-transcranial direct current stimulation (tDCS) over dorsolateral prefrontal cortex (DLPFC) would be better than home-based sham-tDCS to improve the widespread pain and the disability-related to pain. The anodal-tDCS (2 mA for 30 minutes) over the left DLPFC was self-administered with a specially developed device following in-person training. Twenty women, 18 to 65 years old were randomized into 2 groups [active-(a)-tDCS (n = 10) or sham-(s)-tDCS (n = 10)]. Post hoc analysis revealed that after the first 20 sessions of a-tDCS, the cumulative pain scores reduced by 45.65% [7.25 (1.43) vs 3.94 (1.14), active vs sham tDCS, respectively]. After 60 sessions, during the 12-week assessment, pain scores reduced by 62.06% in the actively group [visual analogue scale reduction, 7.25 (1.43) to 2.75 (.85)] compared to 24.92% in the s-tDCS group, [mean (SD) 7.10 (1.81) vs 5.33 (.90)], respectively. It reduced the risk for analgesic use in 55%. Higher serum levels of the brain-derived neurotrophic factor predicted higher decreases on the pain scores across of treatment. Perspective These findings bring 3 important insights: 1) show that an extended period of treatment (60 sessions, to date the largest number of tDCS sessions tested) for fibromyalgia induces large pain decreases (a large effect size of 1.59) and 2) support the feasibility of home-based tDCS as a method of intervention; 3) provide additional data on DLPFC target for the treatment of fibromyalgia. Finally, our findings also highlight that brain-derived neurotrophic factor to index neuroplasticity may be a valuable predictor of the tDCS effect on pain scores decreases across the treatment.
@article{brietzke_large_2019,
title = {Large {Treatment} {Effect} {With} {Extended} {Home}-{Based} {Transcranial} {Direct} {Current} {Stimulation} {Over} {Dorsolateral} {Prefrontal} {Cortex} in {Fibromyalgia}: {A} {Proof} of {Concept} {Sham}-{Randomized} {Clinical} {Study}},
issn = {1526-5900},
shorttitle = {Large {Treatment} {Effect} {With} {Extended} {Home}-{Based} {Transcranial} {Direct} {Current} {Stimulation} {Over} {Dorsolateral} {Prefrontal} {Cortex} in {Fibromyalgia}},
url = {http://www.sciencedirect.com/science/article/pii/S1526590019307709},
doi = {10.1016/j.jpain.2019.06.013},
abstract = {This randomized, double-blind controlled trial tested the hypothesis that 60 sessions of home-based anodal (a)-transcranial direct current stimulation (tDCS) over dorsolateral prefrontal cortex (DLPFC) would be better than home-based sham-tDCS to improve the widespread pain and the disability-related to pain. The anodal-tDCS (2 mA for 30 minutes) over the left DLPFC was self-administered with a specially developed device following in-person training. Twenty women, 18 to 65 years old were randomized into 2 groups [active-(a)-tDCS (n = 10) or sham-(s)-tDCS (n = 10)]. Post hoc analysis revealed that after the first 20 sessions of a-tDCS, the cumulative pain scores reduced by 45.65\% [7.25 (1.43) vs 3.94 (1.14), active vs sham tDCS, respectively]. After 60 sessions, during the 12-week assessment, pain scores reduced by 62.06\% in the actively group [visual analogue scale reduction, 7.25 (1.43) to 2.75 (.85)] compared to 24.92\% in the s-tDCS group, [mean (SD) 7.10 (1.81) vs 5.33 (.90)], respectively. It reduced the risk for analgesic use in 55\%. Higher serum levels of the brain-derived neurotrophic factor predicted higher decreases on the pain scores across of treatment.
Perspective
These findings bring 3 important insights: 1) show that an extended period of treatment (60 sessions, to date the largest number of tDCS sessions tested) for fibromyalgia induces large pain decreases (a large effect size of 1.59) and 2) support the feasibility of home-based tDCS as a method of intervention; 3) provide additional data on DLPFC target for the treatment of fibromyalgia. Finally, our findings also highlight that brain-derived neurotrophic factor to index neuroplasticity may be a valuable predictor of the tDCS effect on pain scores decreases across the treatment.},
language = {en},
urldate = {2020-05-22},
journal = {The Journal of Pain},
author = {Brietzke, Aline P. and Zortea, Maxciel and Carvalho, Fabiana and Sanches, Paulo R. S. and Silva, Danton P. Jr. and Torres, Iraci Lucena da Silva and Fregni, Felipe and Caumo, Wolnei},
month = jul,
year = {2019},
note = {ZSCC: 0000001},
keywords = {BDNF, Fibromyalgia, depression, disability, pain, tDCS},
}
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S.","Fregni, F.","Caumo, W."],"bibdata":{"bibtype":"article","type":"article","title":"Large Treatment Effect With Extended Home-Based Transcranial Direct Current Stimulation Over Dorsolateral Prefrontal Cortex in Fibromyalgia: A Proof of Concept Sham-Randomized Clinical Study","issn":"1526-5900","shorttitle":"Large Treatment Effect With Extended Home-Based Transcranial Direct Current Stimulation Over Dorsolateral Prefrontal Cortex in Fibromyalgia","url":"http://www.sciencedirect.com/science/article/pii/S1526590019307709","doi":"10.1016/j.jpain.2019.06.013","abstract":"This randomized, double-blind controlled trial tested the hypothesis that 60 sessions of home-based anodal (a)-transcranial direct current stimulation (tDCS) over dorsolateral prefrontal cortex (DLPFC) would be better than home-based sham-tDCS to improve the widespread pain and the disability-related to pain. The anodal-tDCS (2 mA for 30 minutes) over the left DLPFC was self-administered with a specially developed device following in-person training. Twenty women, 18 to 65 years old were randomized into 2 groups [active-(a)-tDCS (n = 10) or sham-(s)-tDCS (n = 10)]. Post hoc analysis revealed that after the first 20 sessions of a-tDCS, the cumulative pain scores reduced by 45.65% [7.25 (1.43) vs 3.94 (1.14), active vs sham tDCS, respectively]. After 60 sessions, during the 12-week assessment, pain scores reduced by 62.06% in the actively group [visual analogue scale reduction, 7.25 (1.43) to 2.75 (.85)] compared to 24.92% in the s-tDCS group, [mean (SD) 7.10 (1.81) vs 5.33 (.90)], respectively. It reduced the risk for analgesic use in 55%. Higher serum levels of the brain-derived neurotrophic factor predicted higher decreases on the pain scores across of treatment. Perspective These findings bring 3 important insights: 1) show that an extended period of treatment (60 sessions, to date the largest number of tDCS sessions tested) for fibromyalgia induces large pain decreases (a large effect size of 1.59) and 2) support the feasibility of home-based tDCS as a method of intervention; 3) provide additional data on DLPFC target for the treatment of fibromyalgia. Finally, our findings also highlight that brain-derived neurotrophic factor to index neuroplasticity may be a valuable predictor of the tDCS effect on pain scores decreases across the treatment.","language":"en","urldate":"2020-05-22","journal":"The Journal of Pain","author":[{"propositions":[],"lastnames":["Brietzke"],"firstnames":["Aline","P."],"suffixes":[]},{"propositions":[],"lastnames":["Zortea"],"firstnames":["Maxciel"],"suffixes":[]},{"propositions":[],"lastnames":["Carvalho"],"firstnames":["Fabiana"],"suffixes":[]},{"propositions":[],"lastnames":["Sanches"],"firstnames":["Paulo","R.","S."],"suffixes":[]},{"propositions":[],"lastnames":["Silva"],"firstnames":["Danton","P.","Jr."],"suffixes":[]},{"propositions":[],"lastnames":["Torres"],"firstnames":["Iraci","Lucena","da","Silva"],"suffixes":[]},{"propositions":[],"lastnames":["Fregni"],"firstnames":["Felipe"],"suffixes":[]},{"propositions":[],"lastnames":["Caumo"],"firstnames":["Wolnei"],"suffixes":[]}],"month":"July","year":"2019","note":"ZSCC: 0000001","keywords":"BDNF, Fibromyalgia, depression, disability, pain, tDCS","bibtex":"@article{brietzke_large_2019,\n\ttitle = {Large {Treatment} {Effect} {With} {Extended} {Home}-{Based} {Transcranial} {Direct} {Current} {Stimulation} {Over} {Dorsolateral} {Prefrontal} {Cortex} in {Fibromyalgia}: {A} {Proof} of {Concept} {Sham}-{Randomized} {Clinical} {Study}},\n\tissn = {1526-5900},\n\tshorttitle = {Large {Treatment} {Effect} {With} {Extended} {Home}-{Based} {Transcranial} {Direct} {Current} {Stimulation} {Over} {Dorsolateral} {Prefrontal} {Cortex} in {Fibromyalgia}},\n\turl = {http://www.sciencedirect.com/science/article/pii/S1526590019307709},\n\tdoi = {10.1016/j.jpain.2019.06.013},\n\tabstract = {This randomized, double-blind controlled trial tested the hypothesis that 60 sessions of home-based anodal (a)-transcranial direct current stimulation (tDCS) over dorsolateral prefrontal cortex (DLPFC) would be better than home-based sham-tDCS to improve the widespread pain and the disability-related to pain. The anodal-tDCS (2 mA for 30 minutes) over the left DLPFC was self-administered with a specially developed device following in-person training. Twenty women, 18 to 65 years old were randomized into 2 groups [active-(a)-tDCS (n = 10) or sham-(s)-tDCS (n = 10)]. Post hoc analysis revealed that after the first 20 sessions of a-tDCS, the cumulative pain scores reduced by 45.65\\% [7.25 (1.43) vs 3.94 (1.14), active vs sham tDCS, respectively]. After 60 sessions, during the 12-week assessment, pain scores reduced by 62.06\\% in the actively group [visual analogue scale reduction, 7.25 (1.43) to 2.75 (.85)] compared to 24.92\\% in the s-tDCS group, [mean (SD) 7.10 (1.81) vs 5.33 (.90)], respectively. It reduced the risk for analgesic use in 55\\%. 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