Pilot Study of an Intervention Involving Cognitive Training and tDCS in Morbidly Obese Subjects
NCT ID: NCT03943979
Last Updated: 2019-05-09
Study Results
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Basic Information
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COMPLETED
PHASE2
18 participants
INTERVENTIONAL
2016-02-25
2017-06-01
Brief Summary
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Detailed Description
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The Active Control condition will receive sham stimulation together with CT, through a computerized cognitive training platform (Guttmann NeuropersonalTrainer), including different tasks with designed to train executive functions and attention. Each session will last approximately 30-40 min.
The Active condition will receive tDCS stimulation (20 min, multichannel with an excitatory target over the r-dlPFC) together with CT (same as for the Active Control condition).
Participants will undergo a basal (the week before intervention) and a post treatment assessments (the day after finishing the intervention) that will include medical history, blood testing, anthropometric measures, a cognitive assessment battery and a 4-day dietary assessment.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
Active group: Subjects will receive CT and active tDCS during four consecutive days.
TREATMENT
QUADRUPLE
Study Groups
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Active Control group
This group will receive CT and sham tDCS each day, for four days.
Cognitive Training
Cognitive Training (CT): 4 consecutive days, 30-45 min session involving 5 different tasks designed to train executive functions and attention, available at the Guttmann Neuropersonaltrainer platform (computerized cognitive training tool certified by the Spanish Agency for Medicines and Health Products as a Class I Health Product). The difficulty level of all the tasks was automatically adjusted on a trial-by-trial basis for both Active and Active Control conditions.
Active group
This group will receive both CT and tDCS, each day, for four days.
Cognitive Training
Cognitive Training (CT): 4 consecutive days, 30-45 min session involving 5 different tasks designed to train executive functions and attention, available at the Guttmann Neuropersonaltrainer platform (computerized cognitive training tool certified by the Spanish Agency for Medicines and Health Products as a Class I Health Product). The difficulty level of all the tasks was automatically adjusted on a trial-by-trial basis for both Active and Active Control conditions.
transcranial Direct-Current Stimulation (tDCS)
tDCS: 4 consecutive days, 20 min session, delivered through multichannel tDCS (Starstim, Neuroelectrics), with an excitatory target over the r-dlPFC, and an inhibitory target on the contralateral lobe (l-dlPFC). The positioning of the multichannel tCS (electrode location and currents) was solved using the Stimweaver (Ruffini 2013). The resulting tCS montage employed 8 gelled Ag/AgCl electrodes of π cm2 size (Pistim, Neuroelectrics) placed at AF3(-1093uA), AF4 (1178uA), F3 (-1161uA), F4 (1104uA), F7 (-414uA), F8 (530uA), FC5 (1189uA), FC6 (-1332uA).
Interventions
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Cognitive Training
Cognitive Training (CT): 4 consecutive days, 30-45 min session involving 5 different tasks designed to train executive functions and attention, available at the Guttmann Neuropersonaltrainer platform (computerized cognitive training tool certified by the Spanish Agency for Medicines and Health Products as a Class I Health Product). The difficulty level of all the tasks was automatically adjusted on a trial-by-trial basis for both Active and Active Control conditions.
transcranial Direct-Current Stimulation (tDCS)
tDCS: 4 consecutive days, 20 min session, delivered through multichannel tDCS (Starstim, Neuroelectrics), with an excitatory target over the r-dlPFC, and an inhibitory target on the contralateral lobe (l-dlPFC). The positioning of the multichannel tCS (electrode location and currents) was solved using the Stimweaver (Ruffini 2013). The resulting tCS montage employed 8 gelled Ag/AgCl electrodes of π cm2 size (Pistim, Neuroelectrics) placed at AF3(-1093uA), AF4 (1178uA), F3 (-1161uA), F4 (1104uA), F7 (-414uA), F8 (530uA), FC5 (1189uA), FC6 (-1332uA).
Eligibility Criteria
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Inclusion Criteria
* Having a BMI \> 40 kg/m2 or having a BMI\>35 and suffering from diabetes mellitus, HBP or LDP.
* Obesity conventional treatment failure
* Wish of bariatric surgery
* Accepting the study and signing the Informed Consent
* Being left-handed
* Using a pacemaker or deep cerebral stimulation device
* Having a psychiatric disease or serious disease
* Neurologic condition or learning issue or mental backwardness that could affect cognitive function
* Use of psycho-stimulating medicines and/or drugs, abuse or dependance to a psychoactive substance (or during the last 6 months)
* Dependance to alcohol or/and drugs (excepted from nicotina)
* In treatment with benzodiazepines, antipsychotics, tricyclic antidepressants or topiramate, started in the last month
* History of psychiatric disorders treated with lithio carbonate.
* Cutaneous lesion on the area of using of electrodes
* Contact allergy to material used in the used devices.
18 Years
60 Years
ALL
Yes
Sponsors
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Neuroelectrics Corporation
INDUSTRY
Parc de Salut Mar
OTHER
Responsible Party
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Albert Goday Arno
Medical doctor
References
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Alonso-Alonso M. Translating tDCS into the field of obesity: mechanism-driven approaches. Front Hum Neurosci. 2013 Aug 27;7:512. doi: 10.3389/fnhum.2013.00512. eCollection 2013.
Barr MS, Fitzgerald PB, Farzan F, George TP, Daskalakis ZJ. Transcranial magnetic stimulation to understand the pathophysiology and treatment of substance use disorders. Curr Drug Abuse Rev. 2008 Nov;1(3):328-39. doi: 10.2174/1874473710801030328.
Boivin JR, Piscopo DM, Wilbrecht L. Brief cognitive training interventions in young adulthood promote long-term resilience to drug-seeking behavior. Neuropharmacology. 2015 Oct;97:404-13. doi: 10.1016/j.neuropharm.2015.05.036. Epub 2015 Jun 9.
Conti CL, Moscon JA, Fregni F, Nitsche MA, Nakamura-Palacios EM. Cognitive related electrophysiological changes induced by non-invasive cortical electrical stimulation in crack-cocaine addiction. Int J Neuropsychopharmacol. 2014 Sep;17(9):1465-75. doi: 10.1017/S1461145714000522. Epub 2014 Apr 28.
Corbett A, Owen A, Hampshire A, Grahn J, Stenton R, Dajani S, Burns A, Howard R, Williams N, Williams G, Ballard C. The Effect of an Online Cognitive Training Package in Healthy Older Adults: An Online Randomized Controlled Trial. J Am Med Dir Assoc. 2015 Nov 1;16(11):990-7. doi: 10.1016/j.jamda.2015.06.014.
Ditye T, Jacobson L, Walsh V, Lavidor M. Modulating behavioral inhibition by tDCS combined with cognitive training. Exp Brain Res. 2012 Jun;219(3):363-8. doi: 10.1007/s00221-012-3098-4. Epub 2012 Apr 25.
Gluck ME, Alonso-Alonso M, Piaggi P, Weise CM, Jumpertz-von Schwartzenberg R, Reinhardt M, Wassermann EM, Venti CA, Votruba SB, Krakoff J. Neuromodulation targeted to the prefrontal cortex induces changes in energy intake and weight loss in obesity. Obesity (Silver Spring). 2015 Nov;23(11):2149-56. doi: 10.1002/oby.21313.
Goldman RL, Borckardt JJ, Frohman HA, O'Neil PM, Madan A, Campbell LK, Budak A, George MS. Prefrontal cortex transcranial direct current stimulation (tDCS) temporarily reduces food cravings and increases the self-reported ability to resist food in adults with frequent food craving. Appetite. 2011 Jun;56(3):741-6. doi: 10.1016/j.appet.2011.02.013. Epub 2011 Feb 23.
Grall-Bronnec M, Sauvaget A. The use of repetitive transcranial magnetic stimulation for modulating craving and addictive behaviours: a critical literature review of efficacy, technical and methodological considerations. Neurosci Biobehav Rev. 2014 Nov;47:592-613. doi: 10.1016/j.neubiorev.2014.10.013.
Jauch-Chara K, Kistenmacher A, Herzog N, Schwarz M, Schweiger U, Oltmanns KM. Repetitive electric brain stimulation reduces food intake in humans. Am J Clin Nutr. 2014 Oct;100(4):1003-9. doi: 10.3945/ajcn.113.075481. Epub 2014 Aug 6.
Juarascio AS, Manasse SM, Espel HM, Kerrigan SG, Forman EM. Could training executive function improve treatment outcomes for eating disorders? Appetite. 2015 Jul;90:187-93. doi: 10.1016/j.appet.2015.03.013. Epub 2015 Mar 14.
Sauvaget A, Trojak B, Bulteau S, Jimenez-Murcia S, Fernandez-Aranda F, Wolz I, Menchon JM, Achab S, Vanelle JM, Grall-Bronnec M. Transcranial direct current stimulation (tDCS) in behavioral and food addiction: a systematic review of efficacy, technical, and methodological issues. Front Neurosci. 2015 Oct 9;9:349. doi: 10.3389/fnins.2015.00349. eCollection 2015.
Other Identifiers
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IMIMFTLC/EC-TDCS OM
Identifier Type: -
Identifier Source: org_study_id
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