This is a multicenter pilot randomized controlled trial, with an active control condition, of the feasibility, acceptability, and preliminary efficacy of EndeavorRx in a cohort of survivors of acute lymphoblastic leukemia or brain tumor ages 8-16 who are \> 1 year from the end of therapy.
Survival rates are increasing for common pediatric cancers, including acute lymphoblastic leukemia (ALL) and brain tumors; yet, the life-saving treatments for these cancers place survivors at heightened risk for sustained cognitive effects. Longitudinal research has shown that the cognitive burden of ALL and pediatric brain tumors often consists of impairments in attention, working memory, and executive functioning, which can result in long-term disruption to daily living, socialization, academic achievement, and quality of life. Few non-pharmacological interventions exist to ameliorate these cognitive late effects. EndeavorRx, an FDA-approved electronic attentional-control training program, may be one intervention to help remediate executive functioning difficulties experienced by survivors. Although the program has been efficacious for youth with Attention-Deficit/Hyperactivity Disorder (ADHD), it has not yet been tested among survivors of childhood ALL or brain tumor. We propose to assess the feasibility, acceptability, and preliminary efficacy of EndeavorRx in a pilot randomized, controlled trial. Survivors of ALL or brain tumor who are between the ages of 8 and 16 and have been off-therapy for at least one year will be included. The goal is to enroll and screen approximately 50 survivors across three pediatric oncology centers, in order to identify 40 participants with attention difficulties who will be randomized to one of two treatment arms. Participants will be assigned to either the EndeavorRx intervention, which includes 25-30 minute sessions per day, 5 days per week, for one month, or an active control condition of the same duration and intensity. Patients will undergo neurocognitive testing pre- and post-intervention, and parents will complete questionnaires regarding their child's functioning. It is hypothesized that this attentional-control training program will be both acceptable and feasible, with sufficient enrollment, positive satisfaction ratings, and acceptable treatment adherence. It is also anticipated that participants will show increases in performance-based and parent-rated attention, as compared to those in the active control condition.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
50
EndeavorRx is a digital intervention delivered through an action video game that is indicated to improve attention function. EndeavorRx users first complete two discrete tasks: 1) a perceptual discrimination/attention task in which users respond to target stimuli and ignore distractor stimuli (e.g., tapping the screen quickly only when red aliens appear) and 2) a sensorimotor navigation task in which users tilt their device to steer a hovercraft down a river while targeting or avoiding certain objects. Users are subsequently presented with a multitask training session where they complete the perceptual discrimination/attention task and the sensorimotor navigation task simultaneously. Algorithms adapt the program in both real-time and between sessions to automatically adjust the difficulty level.
The active control program, used in previous studies of this intervention, was designed to match EndeavorRx on expectancy, engagement, and time on task in the form of a challenging and engaging digital word game, targeting cognitive domains not targeted by EndeavorRx and not primarily associated with attentional difficulties. Users are instructed to find and connect letters on a grid to spell words; points are awarded based on number of words formed, word length, and the use of unusual letters. There is progression in difficulty to maintain engagement and expectation of benefit from patients and their caregivers.
Children's National Hospital
Washington D.C., District of Columbia, United States
RECRUITINGFeasibility assessed by patient/family interest
Feasibility will be determined by examining the proportion of eligible patients/families approached about the study who enroll
Time frame: Baseline
Feasibility assessed by EndeavorRx training adherence rates
Participants will be asked to complete 6 EndeavorRx training missions per day, 5 days per week, for 4 weeks, resulting in a possible training of 120 missions. Feasibility will be evaluated by examining the proportion of the sample that completes at least 60 EndeavorRx missions (50%).
Time frame: After completion of 4 weeks of EndeavorRx training
Feasibility assessed by reports of technical ease-of-use and satisfaction
Children and caregivers will be asked, "How easy or difficult was it to access (e.g., turn on device, start the program, use the program)" using a 5-point Likert scale (5 = "Very Easy"). Families will also be asked, "How satisfied or unsatisfied are you with your experience using EndeavorRx?" using a 5-point Likert scale (5 = "Very Satisfied").
Time frame: End of training (+4 weeks)
Change from baseline inattention assessed by Omission Errors on the Conners' Continuous Performance Test, 3rd Edition (CPT-3) at end of training
The Conners CPT-3 is a standardized computer-administered assessment that uses T scores (M=50, SD=10) where higher scores indicate greater attention problems
Time frame: Baseline and end of training (+4 weeks)
Change from baseline inattention assessed by Omission Errors on the Conners' Continuous Performance Test, 3rd Edition (CPT-3) at 4-month follow-up (16 weeks post-training/control +/- 4 weeks)
The Conners CPT-3 is a standardized computer-administered assessment that uses T scores (M=50, SD=10) where higher scores indicate greater attention problems
Time frame: Baseline and 4 months after end of training (16 weeks post-training/control +/- 4 weeks)
Change from baseline inattention assessed by the ADHD Rating Scale, Fifth Edition (ADHD-RS-5) Inattention subscale at end of training
The ADHD-RS-5 is a caregiver-reported questionnaire measure of attentional symptoms based on DSM-5 criteria where higher raw scores indicate greater attention problems
Time frame: Baseline and end of training (+4 weeks)
Change from baseline inattention assessed by the ADHD Rating Scale, Fifth Edition (ADHD-RS-5) Inattention subscale at 4-month follow-up (16 weeks post-training/control +/- 4 weeks)
The ADHD-RS-5 is a caregiver-reported questionnaire measure of attentional symptoms based on DSM-5 criteria where higher raw scores indicate greater attention problems
Time frame: Baseline and 4 months after end of training (16 weeks post-training/control +/- 4 weeks)
Change from baseline inhibitory control assessed by the Behavior Rating Inventory of Executive Functioning, Second Edition (BRIEF-2) Inhibit subscale at end of training
The BRIEF-2 is a caregiver-reported questionnaire measure of executive functioning that uses T scores (M=50, SD=10) where higher scores indicate greater problems with executive functioning
Time frame: Baseline and end of training (+4 weeks)
Change from baseline inhibitory control assessed by the Behavior Rating Inventory of Executive Functioning, Second Edition (BRIEF-2) Inhibit subscale at 4-month follow-up (16 weeks post-training/control +/- 4 weeks)
The BRIEF-2 is a caregiver-reported questionnaire measure of executive functioning that uses T scores (M=50, SD=10) where higher scores indicate greater problems with executive functioning
Time frame: Baseline and 4 months after end of training (16 weeks post-training/control +/- 4 weeks)
Change from baseline executive functioning assessed by the Behavior Rating Inventory of Executive Functioning, Second Edition (BRIEF-2) Cognitive Regulation Index (CRI) at end of training
The BRIEF-2 is a caregiver-reported questionnaire measure of executive functioning that uses T scores (M=50, SD=10) where higher scores indicate greater problems with executive functioning
Time frame: Baseline and end of training (+4 weeks)
Change from baseline executive functioning assessed by the Behavior Rating Inventory of Executive Functioning, Second Edition (BRIEF-2) Cognitive Regulation Index (CRI) at end of training
The BRIEF-2 is a caregiver-reported questionnaire measure of executive functioning that uses T scores (M=50, SD=10) where higher scores indicate greater problems with executive functioning
Time frame: Baseline and 4 months after end of training (16 weeks post-training/control +/- 4 weeks)
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