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Lievän traumaattisen aivovaurion hoito teräväpiirtoisella transkraniaalisella tasavirtastimulaatiolla (HDtDCS-TBI)

torstai 24. syyskuuta 2026 päivittänyt: John Hart, Jr., The University of Texas at Dallas

Verbaalisten palautuspuutteiden hoito lievissä traumaattisissa aivovaurioissa teräväpiirtoisella transkraniaalisella tasavirtastimulaatiolla

The purpose of the study is to test whether low level electric stimulation, called transcranial Direct Current Stimulation (tDCS), on the part of the brain (i.e., presupplementary motor area) thought to aid in memory will improve verbal retrieval in military veteran participants with histories of traumatic brain injuries. The primary outcome measures are neuropsychological assessments of verbal retrieval, and the secondary measures are neuropsychological assessments of other cognitive abilities and electroencephalography (EEG) measures. Additionally, the study will examine the degree to which baseline assessments of cognition and concussion history predict responses to treatment over time, both on assessments administered within the intervention period and at follow-up.

Tutkimuksen yleiskatsaus

Tila

Rekrytointi

Ehdot

Interventio / Hoito

Yksityiskohtainen kuvaus

Using two treatment arms, the study will examine improvement of verbal retrieval and other cognitive deficits associated with remote traumatic brain injury by comparing (1) 1 milliamp transcranial direct current stimulation (tDCS) active treatment applied to presupplementary motor area for 20 minutes over 15 sessions to (2) sham tDCS following the same schedule. Additionally, after completing the initial active or sham treatment and 3-month follow-up testing sessions, selected participants will be invited back for newly assigned treatment conditions, 20 minutes over 15 sessions and will be and re-evaluated at 2- and 3-months follow-up testing sessions.

Veterans with histories of traumatic brain injuries and observed cognitive deficits will be randomly assigned to one of the two treatment arms (and re-assigned for the second round of intervention, as described above). Primary outcome verbal retrieval measures, secondary neuropsychological and electroencephalography (EEG) measures, and prescreening assessments for study concussion history and contraindications for treatment will be collected prior to being assigned to a treatment arm (i.e., baseline).

Primary outcome verbal retrieval measures and secondary neuropsychological and electroencephalography (EEG) measures will be collected after treatment sessions 5, 10, and 15 and two times following treatment competition (i.e., 2-months and 3-months). For participants selected for the second round of intervention, primary outcome verbal memory measures and secondary neuropsychological and electroencephalography (EEG) measures will be collected again after treatment sessions 5, 10, and 15 and two times following competition of the second treatment (i.e., 2-months and 3-months).

Opintotyyppi

Interventio

Ilmoittautuminen (Arvioitu)

136

Vaihe

  • Ei sovellettavissa

Yhteystiedot ja paikat

Tässä osiossa on tutkimuksen suorittajien yhteystiedot ja tiedot siitä, missä tämä tutkimus suoritetaan.

Opiskeluyhteys

Tutki yhteystietojen varmuuskopiointi

Opiskelupaikat

    • Texas
      • Dallas, Texas, Yhdysvallat, 75235
        • Rekrytointi
        • The University of Texas at Dallas
        • Alatutkija:
          • Michael Motes, PhD
        • Ottaa yhteyttä:
        • Ottaa yhteyttä:

Osallistumiskriteerit

Tutkijat etsivät ihmisiä, jotka sopivat tiettyyn kuvaukseen, jota kutsutaan kelpoisuuskriteereiksi. Joitakin esimerkkejä näistä kriteereistä ovat henkilön yleinen terveydentila tai aiemmat hoidot.

Kelpoisuusvaatimukset

Opintokelpoiset iät

18 vuotta - 75 vuotta (Aikuinen, Vanhempi Aikuinen)

Hyväksyy terveitä vapaaehtoisia

Ei

Sukupuolet, jotka voivat opiskella

Kaikki

Kuvaus

Inclusion Criteria: Participants are to be between the ages of 18-75, have previously served in the US armed services, and have had a traumatic brain injury that has led to a verbal retrieval deficit based on neuropsychological testing criteria. Traumatic brain injury must be in the mild to moderate range based on evaluation, including, the Ohio State TBI Identification Method (administered by our research group). You must be fluent in speaking and reading English.

Exclusion Criteria: Exclusion criteria include a history of a psychological or neurological disorder, including, dementia of any type, epilepsy or other seizure disorders, severe traumatic brain injury, post-traumatic stress disorder, brain tumor, present drug abuse, stroke, blood vessel abnormalities in the brain, Parkinson's disease, Huntington's disease, or multiple sclerosis. Additionally, exclusion criteria include inability to give informed consent; cranial implants or skull defects that affect tDCS administration; and use of medications that interact with or potentially interact with tDCS effects, including, anti-convulsants, amphetamines, L-dopa, carbamazepine, sulpiride, pergolide, lorazepam, rivastigmine, dextromethorphan, D-cycloserine, flunarizine, ropinirole, or citalopram.

Opintosuunnitelma

Tässä osiossa on tietoja tutkimussuunnitelmasta, mukaan lukien kuinka tutkimus on suunniteltu ja mitä tutkimuksella mitataan.

Miten tutkimus on suunniteltu?

Suunnittelun yksityiskohdat

  • Ensisijainen käyttötarkoitus: Hoito
  • Jako: Satunnaistettu
  • Inventiomalli: Rinnakkaistehtävä
  • Naamiointi: Kolminkertaistaa

Aseet ja interventiot

Osallistujaryhmä / Arm
Interventio / Hoito
Kokeellinen: Transcranial direct current stimulation

20 minutes of 1 milliamp transcranial direct current stimulation to presupplementary motor area for 15 sessions

Transcranial direct current stimulation will be delivered via a Neuroelectrics Starstim tES. Stimulation will consist of 1 milliamp stimulation, with anodal stimulation delivered at electrode Fz (International 10/10 System for electroencephalography electrode placement) and electrodes F7, FP1, FP2, and F8 as returns. All electrodes are 1 cm diameter Ag/AgCl electrodes and make contact with the scalp via connective gel. Stimulation will linearly ramp up from 0 milliamps to 1 milliamp over 60 seconds, then remain at 1 milliamp of stimulation over 20 minutes, and finally ramping down at to 0 milliamps over 60 seconds.

Muut nimet:
  • tDCS
  • 1 milliampeeri tDCS
  • Teräväpiirto tDCS
  • Teräväpiirto transkraniaalinen tasavirtastimulaattori, Neuroelectrics Starstim tES, SN E20200930-10
Huijausvertailija: Sham transcranial direct current stimulation

20 minutes of sham transcranial direct current stimulation to presupplementary motor area for 15 sessions

Sham transcranial direct current stimulation will be delivered via a Neuroelectrics Starstim tES. The sham setup will consist of anodal electrode Fz (International 10/10 System for electroencephalography electrode placement) and electrodes F7, FP1, FP2, and F8 as returns. All electrodes are 1 cm diameter Ag/AgCl electrodes and make contact with the scalp via connective gel. Stimulation will linearly ramp up from 0 milliamps to 1 milliamp over 60 seconds, ramp down to 0 milliamps over 60 seconds and then be left off for 20 minutes.

Mitä tutkimuksessa mitataan?

Ensisijaiset tulostoimenpiteet

Tulosmittaus
Toimenpiteen kuvaus
Aikaikkuna
Treatment group differences in change from Baseline to 3-months Post-Treatment on the Controlled Oral Word Association Test
Aikaikkuna: Outcome measures will be assessed as change over a period of 17 weeks: Change from baseline to 3-month Post-Treatment

Evaluation of treatment group differences in change on the Control Word Association Test from baseline to 3-months. Metric: Number of Correct Items Generated

Benton, L.A., Hamsher, K., & Sivan, A.B., (1994). Multilingual aphasia examination. Iowa City: AJA Associates.

Outcome measures will be assessed as change over a period of 17 weeks: Change from baseline to 3-month Post-Treatment
Treatment group differences in change from Baseline to 2-months Post-Treatment on the Controlled Oral Word Association Test
Aikaikkuna: Outcome measures will be assessed as change over a period of 13 weeks: Change from baseline to 2-month Post-Treatment

Evaluation of treatment group differences in change on the Control Word Association Test from baseline to 2-months. Metric: Number of Correct Items Generated

Benton, L.A., Hamsher, K., & Sivan, A.B., (1994). Multilingual aphasia examination. Iowa City: AJA Associates.

Outcome measures will be assessed as change over a period of 13 weeks: Change from baseline to 2-month Post-Treatment
Treatment group differences in change from Baseline to 3-months Post-Treatment in Category Fluency
Aikaikkuna: Outcome measures will be assessed as change over a period of 17 weeks: Change from baseline to 3-month Post-Treatment

Evaluation of treatment group differences in change in Category Fluency from baseline to 3-months. Metric: Number of Correct Items Generated

Benton, L.A., Hamsher, K., & Sivan, A.B., (1994). Multilingual aphasia examination. Iowa City: AJA Associates.

Outcome measures will be assessed as change over a period of 17 weeks: Change from baseline to 3-month Post-Treatment
Treatment group differences in change from Baseline to 2-months Post-Treatment in Category Fluency
Aikaikkuna: Outcome measures will be assessed as change over a period of 13 weeks: Change from baseline to 2-month Post-Treatment

Evaluation of treatment group differences in change in Category Fluency from baseline to 2-months. Metric: Number of Correct Items Generated

Benton, L.A., Hamsher, K., & Sivan, A.B., (1994). Multilingual aphasia examination. Iowa City: AJA Associates.

Outcome measures will be assessed as change over a period of 13 weeks: Change from baseline to 2-month Post-Treatment
Treatment group differences in change from Baseline to 3-months Post-Treatment on the Semantic Object Retrieval Test
Aikaikkuna: Outcome measures will be assessed as change over a period of 17 weeks: Change from baseline to 3-month Post-Treatment

Evaluation of treatment group differences in change in Semantic Object Retrieval Test from baseline to 3-months. Metric: Number of Correct Retrievals

Kaplan, E., Goodglass, H., & Weintraub, S., (1983). Boston Naming Test (2nd ed.). Lea & Febiger: Philadelphia.

Outcome measures will be assessed as change over a period of 17 weeks: Change from baseline to 3-month Post-Treatment
Treatment group differences in change from Baseline to 2-months Post-Treatment on the Semantic Object Retrieval Test
Aikaikkuna: Outcome measures will be assessed as change over a period of 13 weeks: Change from baseline to 2-month Post-Treatment

Evaluation of treatment group differences in change in Semantic Object Retrieval Test from baseline to 2-months. Metric: Number of Correct Retrievals

Kaplan, E., Goodglass, H., & Weintraub, S., (1983). Boston Naming Test (2nd ed.). Lea & Febiger: Philadelphia.

Outcome measures will be assessed as change over a period of 13 weeks: Change from baseline to 2-month Post-Treatment
Treatment group differences in change from Baseline to 3-months Post-Treatment on the Boston Naming Test
Aikaikkuna: Outcome measures will be assessed as change over a period of 17 weeks: Change from baseline to 3-month Post-Treatment

Evaluation of treatment group differences in change in Boston Naming Test from baseline to 3-months. Metric: Number of Correct Names Retrieved

Kraut, M.A., Cherry, B., Pitcock, C.B., Anand, R., Li, J. Vestal, L., Henderson, V.W., and Hart, J. Jr. (2007). The Semantic Object Retrieval Test (SORT) in amnestic cognitive impairment. Cogn. Behav. Neurol. 20, 62- 67.

Outcome measures will be assessed as change over a period of 17 weeks: Change from baseline to 3-month Post-Treatment
Treatment group differences in change from Baseline to 2-months Post-Treatment on the Boston Naming Test
Aikaikkuna: Outcome measures will be assessed as change over a period of 13 weeks: Change from baseline to 2-month Post-Treatment

Evaluation of treatment group differences in change in Boston Naming Test from baseline to 2-months. Metric: Number of Correct Names Retrieved

Kraut, M.A., Cherry, B., Pitcock, C.B., Anand, R., Li, J. Vestal, L., Henderson, V.W., and Hart, J. Jr. (2007). The Semantic Object Retrieval Test (SORT) in amnestic cognitive impairment. Cogn. Behav. Neurol. 20, 62- 67.

Outcome measures will be assessed as change over a period of 13 weeks: Change from baseline to 2-month Post-Treatment
Treatment group differences in change from Baseline to 3-months Post-Treatment on California Verbal Learning Test
Aikaikkuna: Outcome measures will be assessed as change over a period of 17 weeks: Change from baseline to 3-month Post-Treatment

Evaluation of treatment group differences in change in California Verbal Learning Test from baseline to 3-months. Metric: Number of Correct Retrievals

Delis DC, Kramer JH, Kaplan E, Ober BA. (2017). California verbal learning test (3rd Ed.). Pearson Publishing: San Antonio, TX.

Outcome measures will be assessed as change over a period of 17 weeks: Change from baseline to 3-month Post-Treatment
Treatment group differences in change from Baseline to 2-months Post-Treatment on California Verbal Learning Test
Aikaikkuna: Outcome measures will be assessed as change over a period of 13 weeks: Change from baseline to 2-month Post-Treatment

Evaluation of treatment group differences in change in California Verbal Learning Test from baseline to 2-months. Metric: Number of Correct Retrievals

Delis DC, Kramer JH, Kaplan E, Ober BA. (2017). California verbal learning test (3rd Ed.). Pearson Publishing: San Antonio, TX.

Outcome measures will be assessed as change over a period of 13 weeks: Change from baseline to 2-month Post-Treatment

Toissijaiset tulostoimenpiteet

Tulosmittaus
Toimenpiteen kuvaus
Aikaikkuna
Treatment group differences in change from Baseline to 3-months Post-Treatment on the Trail Making Test (Part A)
Aikaikkuna: Outcome measures will be assessed as change over a period of 17 weeks: Change from baseline to 3-month Post-Treatment

Evaluation of treatment group differences in change on the Trail Making Test (Part A) from baseline to 3-months. Metric: Time to Solution

Reitan, R.M., (1958). Validity of the Trail Making Test as an indicator of organic brain damage. Percept. Motor Skill., 8, 271-276.

Outcome measures will be assessed as change over a period of 17 weeks: Change from baseline to 3-month Post-Treatment
Treatment group differences in change from Baseline to 2-months Post-Treatment on the Trail Making Test (Part A)
Aikaikkuna: Outcome measures will be assessed as change over a period of 13 weeks: Change from baseline to 2-month Post-Treatment

Evaluation of treatment group differences in change on the Trail Making Test (Part A) from baseline to 2-months. Metric: Time to Solution

Reitan, R.M., (1958). Validity of the Trail Making Test as an indicator of organic brain damage. Percept. Motor Skill., 8, 271-276.

Outcome measures will be assessed as change over a period of 13 weeks: Change from baseline to 2-month Post-Treatment
Treatment group differences in change from Baseline to 3-months Post-Treatment on the Trail Making Test (Part B)
Aikaikkuna: Outcome measures will be assessed as change over a period of 17 weeks: Change from baseline to 3-month Post-Treatment

Evaluation of treatment group differences in change on the Trail Making Test (Part B) from baseline to 3-months. Metric: Time to Solution

Reitan, R.M., (1958). Validity of the Trail Making Test as an indicator of organic brain damage. Percept. Motor Skill., 8, 271-276.

Outcome measures will be assessed as change over a period of 17 weeks: Change from baseline to 3-month Post-Treatment
Treatment group differences in change from Baseline to 2-months Post-Treatment on the Trail Making Test (Part B)
Aikaikkuna: Outcome measures will be assessed as change over a period of 13 weeks: Change from baseline to 2-month Post-Treatment

Evaluation of treatment group differences in change on the Trail Making Test (Part B) from baseline to 2-months. Metric: Time to Solution

Reitan, R.M., (1958). Validity of the Trail Making Test as an indicator of organic brain damage. Percept. Motor Skill., 8, 271-276.

Outcome measures will be assessed as change over a period of 13 weeks: Change from baseline to 2-month Post-Treatment
Treatment group differences in change from Baseline to 3-months Post-Treatment on the Delis Kaplan Color Word Interference Test
Aikaikkuna: Outcome measures will be assessed as change over a period of 17 weeks: Change from baseline to 3-month Post-Treatment

Evaluation of treatment group differences in change on the Delis Kaplan Color Word Interference Test from baseline to 3-months. Metric: Time to Name Items

Delis, D.C., Kaplan, E., & Kramer, J.H., (2001). Delis-Kaplan Executive Function System. San Antonio, TX: The Psychological Corporation.

Outcome measures will be assessed as change over a period of 17 weeks: Change from baseline to 3-month Post-Treatment
Treatment group differences in change from Baseline to 2-months Post-Treatment on the Delis Kaplan Color Word Interference Test
Aikaikkuna: Outcome measures will be assessed as change over a period of 13 weeks: Change from baseline to 2-month Post-Treatment

Evaluation of treatment group differences in change on the Trail Making Test (Part B) from baseline to 2-months. Metric: Time to Name Items

Reitan, R.M., (1958). Validity of the Trail Making Test as an indicator of organic brain damage. Percept. Motor Skill., 8, 271-276.

Outcome measures will be assessed as change over a period of 13 weeks: Change from baseline to 2-month Post-Treatment
Treatment group differences in change from Baseline to 3-months Post-Treatment on the Digit Span Forward
Aikaikkuna: Outcome measures will be assessed as change over a period of 17 weeks: Change from baseline to 3-month Post-Treatment

Evaluation of treatment group differences in change in Digit Span Forward from baseline to 3-months. Metric: Memory Span

Wechsler, D., (2008). Wechsler adult intelligence scale-Fourth Edition (WAIS-IV). San Antonio, TX: NCS Pearson.

Outcome measures will be assessed as change over a period of 17 weeks: Change from baseline to 3-month Post-Treatment
Treatment group differences in change from Baseline to 2-months Post-Treatment on the Digit Span Forward
Aikaikkuna: Outcome measures will be assessed as change over a period of 13 weeks: Change from baseline to 2-month Post-Treatment

Evaluation of treatment group differences in change in Digit Span Forward from baseline to 2-months. Metric: Memory Span

Wechsler, D., (2008). Wechsler adult intelligence scale-Fourth Edition (WAIS-IV). San Antonio, TX: NCS Pearson.

Outcome measures will be assessed as change over a period of 13 weeks: Change from baseline to 2-month Post-Treatment
Treatment group differences in change from Baseline to 3-months Post-Treatment on the Digit Span Backward
Aikaikkuna: Outcome measures will be assessed as change over a period of 17 weeks: Change from baseline to 3-month Post-Treatment

Evaluation of treatment group differences in change in Digit Span Backward from baseline to 3-months. Metric: Memory Span

Wechsler, D., (2008). Wechsler adult intelligence scale-Fourth Edition (WAIS-IV). San Antonio, TX: NCS Pearson.

Outcome measures will be assessed as change over a period of 17 weeks: Change from baseline to 3-month Post-Treatment
Treatment group differences in change from Baseline to 2-months Post-Treatment on the Digit Span Backward
Aikaikkuna: Outcome measures will be assessed as change over a period of 13 weeks: Change from baseline to 2-month Post-Treatment

Evaluation of treatment group differences in change in Digit Span Backward from baseline to 2-months. Metric: Memory Span

Wechsler, D., (2008). Wechsler adult intelligence scale-Fourth Edition (WAIS-IV). San Antonio, TX: NCS Pearson.

Outcome measures will be assessed as change over a period of 13 weeks: Change from baseline to 2-month Post-Treatment
Treatment group differences in change from Baseline to 3-months Post-Treatment on the Rey-Osterrieth Complex Figure Test
Aikaikkuna: Outcome measures will be assessed as change over a period of 17 weeks: Change from baseline to 3-month Post-Treatment

Evaluation of treatment group differences in change in Rey-Osterrieth Complex Figure Test scores from baseline to 3-months. Metric: Score

Rey, A. (1941). L'examen psychologique dans les cas d'encéphalopathie traumatique. (Les problems.). [The psychological examination in cases of traumatic encepholopathy. Problems.]. Archives de Psychologie, 28, 215- 285.

Outcome measures will be assessed as change over a period of 17 weeks: Change from baseline to 3-month Post-Treatment
Treatment group differences in change from Baseline to 2-months Post-Treatment on the Rey-Osterrieth Complex Figure Test
Aikaikkuna: Outcome measures will be assessed as change over a period of 13 weeks: Change from baseline to 2-month Post-Treatment

Evaluation of treatment group differences in change in Rey-Osterrieth Complex Figure Test scores from baseline to 2-months. Metric: Score

Rey, A. (1941). L'examen psychologique dans les cas d'encéphalopathie traumatique. (Les problems.). [The psychological examination in cases of traumatic encepholopathy. Problems.]. Archives de Psychologie, 28, 215- 285.

Outcome measures will be assessed as change over a period of 13 weeks: Change from baseline to 2-month Post-Treatment
Treatment group differences in change from Baseline to 3-months Post-Treatment on the Digit Symbol Substitution Test
Aikaikkuna: Outcome measures will be assessed as change over a period of 17 weeks: Change from baseline to 3-month Post-Treatment

Evaluation of treatment group differences in change on the Digit Symbol Substitution Test from baseline to 3-months. Metric: Number of Items

Wechsler, D., (2008). Wechsler adult intelligence scale-Fourth Edition (WAIS-IV). San Antonio, TX: NCS Pearson.

Outcome measures will be assessed as change over a period of 17 weeks: Change from baseline to 3-month Post-Treatment
Treatment group differences in change from Baseline to 2-months Post-Treatment on the Digit Symbol Substitution Test
Aikaikkuna: Outcome measures will be assessed as change over a period of 13 weeks: Change from baseline to 2-month Post-Treatment

Evaluation of treatment group differences in change on the Digit Symbol Substitution Test from baseline to 2-months. Metric: Number of Items

Wechsler, D., (2008). Wechsler adult intelligence scale-Fourth Edition (WAIS-IV). San Antonio, TX: NCS Pearson.

Outcome measures will be assessed as change over a period of 13 weeks: Change from baseline to 2-month Post-Treatment
Treatment group differences in change from Baseline to 3-months Post-Treatment on the Grooved Pegboard Test
Aikaikkuna: Outcome measures will be assessed as change over a period of 17 weeks: Change from baseline to 3-month Post-Treatment

Evaluation of treatment group differences in change on the Grooved Pegboard Test from baseline to 3-months. Metric: Completion Time

Matthews, C.G., and Klove, H. (1964). Instruction manual for the adult neuropsychology test. Madison. Wis: University of Wisconsin Medical School.

Outcome measures will be assessed as change over a period of 17 weeks: Change from baseline to 3-month Post-Treatment
Treatment group differences in change from Baseline to 2-months Post-Treatment on the Grooved Pegboard Test
Aikaikkuna: Outcome measures will be assessed as change over a period of 13 weeks: Change from baseline to 2-month Post-Treatment

Evaluation of treatment group differences in change on the Grooved Pegboard Test from baseline to 2-months. Metric: Completion Time

Matthews, C.G., and Klove, H. (1964). Instruction manual for the adult neuropsychology test. Madison. Wis: University of Wisconsin Medical School.

Outcome measures will be assessed as change over a period of 13 weeks: Change from baseline to 2-month Post-Treatment

Yhteistyökumppanit ja tutkijat

Täältä löydät tähän tutkimukseen osallistuvat ihmiset ja organisaatiot.

Sponsori

Tutkijat

  • Päätutkija: John Hart, MD, The University of Texas at Dallas

Opintojen ennätyspäivät

Nämä päivämäärät seuraavat ClinicalTrials.gov-sivustolle lähetettyjen tutkimustietueiden ja yhteenvetojen edistymistä. National Library of Medicine (NLM) tarkistaa tutkimustiedot ja raportoidut tulokset varmistaakseen, että ne täyttävät tietyt laadunvalvontastandardit, ennen kuin ne julkaistaan ​​julkisella verkkosivustolla.

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Tutkimustietojen päivitykset

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