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Clinical Trial Details — Status: Active, not recruiting

Administrative data

NCT number NCT04105530
Other study ID # ALLSUP
Secondary ID NCI-2019-07041
Status Active, not recruiting
Phase N/A
First received
Last updated
Start date November 18, 2019
Est. completion date September 2024

Study information

Verified date January 2024
Source St. Jude Children's Research Hospital
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Brief Overview: Children and adolescents diagnosed with cancer will experience problems with learning, memory and attention during and after completing their cancer therapy. There are many factors that contribute to this problem, but investigators have recently identified that chemotherapy agents used in treating Acute Lymphoblastic Leukemia (ALL) may disrupt normal brain development. 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.


Description:

Participants will be randomly assigned to one of three intervention arms. Two brief stimulation periods will be conducted on day one. One brief stimulation will be scheduled in the morning and a second brief stimulation will be scheduled in the afternoon. A final stimulation will be conducted on day two. Direct Current Stimulation will be applied for 20 minutes for each stimulation period. Brief neurocognitive testing will be conducted during each stimulation session.


Recruitment information / eligibility

Status Active, not recruiting
Enrollment 36
Est. completion date September 2024
Est. primary completion date December 31, 2023
Accepts healthy volunteers No
Gender All
Age group 8 Years to 215 Months
Eligibility Inclusion Criteria: - ALL survivors who received chemotherapy-only treatment and are enrolled in SJLIFE. - 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 who received cranial radiation. - 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.

Study Design


Related Conditions & MeSH terms


Intervention

Device:
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.
Other:
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.

Locations

Country Name City State
United States St. Jude Children's Research Hospital Memphis Tennessee

Sponsors (1)

Lead Sponsor Collaborator
St. Jude Children's Research Hospital

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Number of participants who completed three sessions of tDC stimulation and cognitive testing. The trial will be considered feasible if at least 30 survivors are able to complete 3 sessions (tDCS along with cognitive testing). 12 months after participant enrollment
Secondary Bushke selective remining test (BSRT) BSRT is a test that evaluates verbal memory performance 48 hours
Secondary NIH toolbox list sorting working memory test (WM) WM is a test that evaluates information processing and storage performance 48 hours
Secondary NIH toolbox flanker inhibitory control and attention test (Flanker) Flanker is a test that evaluates attention and inhibitory control 48 hours
Secondary Grooved peg board test (GPB) GPB is a test that evaluates visual-motor coordination and motor speed 48 hours
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