Transcranial Direct Current Stimulation of the Temporal Cortex in Survivors of Childhood Acute Lymphoblastic Leukemia (ALL)
NCT ID: NCT04105530
Last Updated: 2024-01-12
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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ACTIVE_NOT_RECRUITING
NA
36 participants
INTERVENTIONAL
2019-11-18
2024-09-30
Brief Summary
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A novel device has been developed that may help correct this disruption. Direct Current Stimulation (DCS) uses a very low level of constant electrical current to stimulate specific parts of the brain. It has been used in patients with stroke to great benefit. Our study at St. Jude Children's Research Hospital is designed to see if this technique will benefit survivors of childhood cancer. Specifically, investigators wish to see if stimulating one part of the brain gives a greater benefit than stimulating another part of the brain.
Primary Objective
Evaluate the feasibility of conducting repeated on-site Transcranial Direct Current Stimulation (tDCS) in children who are long-term survivors of
Secondary Objectives
* To estimate the potential efficacy for powering a future larger study using tDCS to improve cognitive performance in children by suppressing over connected neural hubs in long-term survivors of childhood ALL.
* To compare the performance of anodal stimulation of the frontal lobe to cathodal suppression of the superior temporal lobe on cognitive performance.
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
CROSSOVER
SUPPORTIVE_CARE
QUADRUPLE
Study Groups
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Transcranial direct current stimulation (tDCS) on day 1
One stimulation will be conducted using Anodal treatment.
The Direct Current Anodal Stimulation will be applied for 20 minutes for each stimulation period. Brief neurocognitive testing will be conducted during each stimulation session.
Anodal tDCS treatment
The Anodal intervention excites neuronal activity. For condition one, the anode will be attached to the left frontal region (Fp1) and the cathode will be attached to the right neck. The intervention involves a direct current of 1 mA applied for 20 minutes.
NIH Toolbox List Sorting Working Memory Test
List Sorting is using information processing and storage. Performance tends to peak in early adulthood and then decline across the life span. This task assesses working memory and requires the participant to sequence different visually- and orally-presented stimuli. The list scoring task takes approximately 7 minutes to administer. List Sorting is scored by summing the total number of items correctly recalled and sequenced on Lists-1 and -2, which can range from 0-26.
NIH Toolbox Flanker Inhibitory Control and Attention Test
The Flanker tests inhibitory control and attention and the capacity for new learning and information processing novel situations. This performance also reaches a peak in early adulthood and tends to decline across the life span. A total of 40 trials require 4 minutes. Scoring is based on both accuracy and reaction time, which will we evaluate individually as well as in combination. The raw scores are converted to a scale score with a mean of 100 and SD of 15. Higher scores indicate higher executive function.
Grooved Peg Board Test
The Grooved Peg Board test measures visual-motor coordination and motor speed. Additionally, it is cognitively challenging and has been associated with attention, perceptual speed and non-verbal reasoning. Performance is better in the dominant/preferred hand and tends to improve in childhood and decline with advancing age. The test consists of placing metal pegs with ridges along onside in matching slots as quickly as possible. The score is the time in seconds required to compete the array with each hand. Longer times reflect worse performance. Times are compared to normative data that is organized by ethnicity, age, gender and education. The test takes approximately 5 minutes to complete.
Buschke Selective Reminding Test
This selective reminding task purports to distinguish verbal memory into short-term and long-term components. Scores are organized by short- and long-term storage and retrieval with normative scores organized by age and gender. The task requires participants to remember a list of orally-presented words and recall them with selective reminders of the words that they didn't recall. The test will last 5-10 minutes and is available in four different versions, thus reducing rehearsal effects.
Transcranial direct current stimulation (tDCS) on day 2
A final stimulation will be conducted using Cathodal stimulation. Direct Current Cathodal Stimulation will be applied for 20 minutes for each stimulation period. Brief neurocognitive testing will be conducted during each stimulation session.
Cathodal tDCS treatment
The Cathodal intervention inhibits or reduces neuronal activity. We propose that the use of the cathodal tDCS to the superior temporal gyrus in survivors of childhood ALL may facilitate the inhibition of over connected motor-sensory and auditory neural networks. For condition two, the cathode will be attached to the left temporal region (T3) and the anode will be attached to the right neck. The intervention involves a direct current of 1 mA applied for 20 minutes.
NIH Toolbox List Sorting Working Memory Test
List Sorting is using information processing and storage. Performance tends to peak in early adulthood and then decline across the life span. This task assesses working memory and requires the participant to sequence different visually- and orally-presented stimuli. The list scoring task takes approximately 7 minutes to administer. List Sorting is scored by summing the total number of items correctly recalled and sequenced on Lists-1 and -2, which can range from 0-26.
NIH Toolbox Flanker Inhibitory Control and Attention Test
The Flanker tests inhibitory control and attention and the capacity for new learning and information processing novel situations. This performance also reaches a peak in early adulthood and tends to decline across the life span. A total of 40 trials require 4 minutes. Scoring is based on both accuracy and reaction time, which will we evaluate individually as well as in combination. The raw scores are converted to a scale score with a mean of 100 and SD of 15. Higher scores indicate higher executive function.
Grooved Peg Board Test
The Grooved Peg Board test measures visual-motor coordination and motor speed. Additionally, it is cognitively challenging and has been associated with attention, perceptual speed and non-verbal reasoning. Performance is better in the dominant/preferred hand and tends to improve in childhood and decline with advancing age. The test consists of placing metal pegs with ridges along onside in matching slots as quickly as possible. The score is the time in seconds required to compete the array with each hand. Longer times reflect worse performance. Times are compared to normative data that is organized by ethnicity, age, gender and education. The test takes approximately 5 minutes to complete.
Buschke Selective Reminding Test
This selective reminding task purports to distinguish verbal memory into short-term and long-term components. Scores are organized by short- and long-term storage and retrieval with normative scores organized by age and gender. The task requires participants to remember a list of orally-presented words and recall them with selective reminders of the words that they didn't recall. The test will last 5-10 minutes and is available in four different versions, thus reducing rehearsal effects.
Sham treatment
The sham procedure provides the same small current during ramp up to imitate the intervention, but the current is discontinued after ramping up and no intervention is provided. Sham will be applied for 20 minutes.Stimulation will start 5 minutes before testing and continue throughout completing the NIH Toolbox Cognitive Battery at each trial:"
Sham treatment
The sham procedure provides the same small current during ramp up to imitate the intervention, but the current is discontinued after ramping up and no intervention is provided. Sham will be applied for 20 minutes. Stimulation will start 5 minutes before testing and continue throughout completing the NIH Toolbox Cognitive Battery at each trial.
NIH Toolbox List Sorting Working Memory Test
List Sorting is using information processing and storage. Performance tends to peak in early adulthood and then decline across the life span. This task assesses working memory and requires the participant to sequence different visually- and orally-presented stimuli. The list scoring task takes approximately 7 minutes to administer. List Sorting is scored by summing the total number of items correctly recalled and sequenced on Lists-1 and -2, which can range from 0-26.
NIH Toolbox Flanker Inhibitory Control and Attention Test
The Flanker tests inhibitory control and attention and the capacity for new learning and information processing novel situations. This performance also reaches a peak in early adulthood and tends to decline across the life span. A total of 40 trials require 4 minutes. Scoring is based on both accuracy and reaction time, which will we evaluate individually as well as in combination. The raw scores are converted to a scale score with a mean of 100 and SD of 15. Higher scores indicate higher executive function.
Grooved Peg Board Test
The Grooved Peg Board test measures visual-motor coordination and motor speed. Additionally, it is cognitively challenging and has been associated with attention, perceptual speed and non-verbal reasoning. Performance is better in the dominant/preferred hand and tends to improve in childhood and decline with advancing age. The test consists of placing metal pegs with ridges along onside in matching slots as quickly as possible. The score is the time in seconds required to compete the array with each hand. Longer times reflect worse performance. Times are compared to normative data that is organized by ethnicity, age, gender and education. The test takes approximately 5 minutes to complete.
Buschke Selective Reminding Test
This selective reminding task purports to distinguish verbal memory into short-term and long-term components. Scores are organized by short- and long-term storage and retrieval with normative scores organized by age and gender. The task requires participants to remember a list of orally-presented words and recall them with selective reminders of the words that they didn't recall. The test will last 5-10 minutes and is available in four different versions, thus reducing rehearsal effects.
Interventions
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Anodal tDCS treatment
The Anodal intervention excites neuronal activity. For condition one, the anode will be attached to the left frontal region (Fp1) and the cathode will be attached to the right neck. The intervention involves a direct current of 1 mA applied for 20 minutes.
Cathodal tDCS treatment
The Cathodal intervention inhibits or reduces neuronal activity. We propose that the use of the cathodal tDCS to the superior temporal gyrus in survivors of childhood ALL may facilitate the inhibition of over connected motor-sensory and auditory neural networks. For condition two, the cathode will be attached to the left temporal region (T3) and the anode will be attached to the right neck. The intervention involves a direct current of 1 mA applied for 20 minutes.
Sham treatment
The sham procedure provides the same small current during ramp up to imitate the intervention, but the current is discontinued after ramping up and no intervention is provided. Sham will be applied for 20 minutes. Stimulation will start 5 minutes before testing and continue throughout completing the NIH Toolbox Cognitive Battery at each trial.
NIH Toolbox List Sorting Working Memory Test
List Sorting is using information processing and storage. Performance tends to peak in early adulthood and then decline across the life span. This task assesses working memory and requires the participant to sequence different visually- and orally-presented stimuli. The list scoring task takes approximately 7 minutes to administer. List Sorting is scored by summing the total number of items correctly recalled and sequenced on Lists-1 and -2, which can range from 0-26.
NIH Toolbox Flanker Inhibitory Control and Attention Test
The Flanker tests inhibitory control and attention and the capacity for new learning and information processing novel situations. This performance also reaches a peak in early adulthood and tends to decline across the life span. A total of 40 trials require 4 minutes. Scoring is based on both accuracy and reaction time, which will we evaluate individually as well as in combination. The raw scores are converted to a scale score with a mean of 100 and SD of 15. Higher scores indicate higher executive function.
Grooved Peg Board Test
The Grooved Peg Board test measures visual-motor coordination and motor speed. Additionally, it is cognitively challenging and has been associated with attention, perceptual speed and non-verbal reasoning. Performance is better in the dominant/preferred hand and tends to improve in childhood and decline with advancing age. The test consists of placing metal pegs with ridges along onside in matching slots as quickly as possible. The score is the time in seconds required to compete the array with each hand. Longer times reflect worse performance. Times are compared to normative data that is organized by ethnicity, age, gender and education. The test takes approximately 5 minutes to complete.
Buschke Selective Reminding Test
This selective reminding task purports to distinguish verbal memory into short-term and long-term components. Scores are organized by short- and long-term storage and retrieval with normative scores organized by age and gender. The task requires participants to remember a list of orally-presented words and recall them with selective reminders of the words that they didn't recall. The test will last 5-10 minutes and is available in four different versions, thus reducing rehearsal effects.
Eligibility Criteria
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Inclusion Criteria
* 8-17 years old.
* History of executive function, processing speed and/or memory impairment documented as a score \< 10th percentile of the age adjusted Z-score.
* Participants able to speak and understand the English language.
Exclusion Criteria
* Survivors with a Full-Scale IQ \< 70.
* Pregnant, history of migraines, epilepsy or traumatic brain injury.
* Have a scalp or skin condition (e.g., psoriasis or eczema), metallic implants (except for dental fillings or caps) or retained metal fragments.
* History of neurologic condition or genetic disorder associated with neurocognitive impairment unrelated to cancer diagnosis or treatment.
* Not fluent in English.
* Taking a psychoactive drug or stimulant.
8 Years
215 Months
ALL
No
Sponsors
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St. Jude Children's Research Hospital
OTHER
Responsible Party
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Principal Investigators
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Nicholas S Phillips, MD, PhD
Role: PRINCIPAL_INVESTIGATOR
St. Jude Children's Research Hospital
Locations
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St. Jude Children's Research Hospital
Memphis, Tennessee, United States
Countries
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Related Links
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St. Jude Children's Research Hospital
Clinical Trials Open at St. Jude
Other Identifiers
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NCI-2019-07041
Identifier Type: REGISTRY
Identifier Source: secondary_id
ALLSUP
Identifier Type: -
Identifier Source: org_study_id
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