Evaluating Cognitive Outcomes in Down Syndrome (ECODS-2)
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|ClinicalTrials.gov Identifier: NCT04208685|
Recruitment Status : Recruiting
First Posted : December 23, 2019
Last Update Posted : December 23, 2019
As basic and behavioral science identify new ways to improve cognition and behavior in individuals with Down syndrome (DS), the lack of rigorous outcome measures represents an important problem for interpreting findings. Null findings in clinical trials could result from insensitive outcome measures, rather than ineffectiveness of treatment.
The long-term goal is to improve measurement of outcomes for children and adults with DS. Towards that goal, the investigators propose to test and refine a battery of cognitive measures that can be used in treatment studies focused on school-aged children and adults with Down syndrome. The batteries are designed to assess key domains of the DS phenotype where gaps remain in outcome measures, including attention, executive function, learning and memory, processing speed, and social cognition.
The investigators will examine the psychometric properties of measures (test-retest, validity, sensitivity to change), and to evaluate differences in the psychometric properties of measures as a function of variations in participant age, gender, degree of ID, and the participants' physical health and medical comorbidities. The investigators will evaluate at least 80 children and 50 adults with Down syndrome, per site, at five time points to evaluate key domains with a diverse and novel range of methods. This proposal aims to provide a preliminary evaluation to support the enhancement of clinical outcome measures, which ultimately will increase the accuracy in documenting improvements in the lives of children and young adults with Down syndrome.
|Condition or disease|
The purpose of the proposed project is to test and refine a battery of cognitive measures that can be used in treatment studies focused on Down syndrome. The battery is designed to assess several key domains of the Down syndrome cognitive phenotype where gaps remain in outcome measures, including attention, executive function, learning and memory, processing speed, and social cognition, considering comorbid conditions that can potentially interfere with the development within these cognitive domains. Although a single battery for the entire lifespan of the individual with Down syndrome has obvious appeal, the investigators have focused their effort on the school-age years so that the investigators can capture a key time point in development of these cognitive domains. Moreover, new pharmaceutical treatments are transitioning from adults to the school-age population, making the need greatest for this portion of the lifespan.
However, based on preliminary research from the ongoing study with children, a need was identified to evaluate measures with young adults with DS (ages 18-39). Supplementary funding will support the expansion of the project to include young adults with DS. Results will provide empirical guidance for refining a battery and form the foundation for a larger-scale study evaluating outcome measures.
For participants 6-17 years, at least 160 children with Down syndrome will be recruited across two sites for the study, and participants will be enrolled over four (4) years. Following pre-screening and the consent visit to determine study eligibility, children will be assessed at 6 time points. The first assessment will be the baseline testing/Time 0 visit to assess IQ. At Time 1 baseline assessments for other functioning will be completed. A two-week interval will separate Time 1 and Time 2, at which time test-retest reliability assessments will be collected. Time 3 will occur three months following Time 2 to evaluate test sensitivity to change. Time 4 will occur 3 months following Time 3 and Time 5 will occur 6 months after Time 4 to assess longitudinal changes. The time interval was selected to replicate the duration of many clinical trials.
For participants 18-35 years, at least one hundred young adults aged 18-29 years with DS will be recruited across two sites to participate in the study. Adults will participate in neuropsychology assessments at 5 time points. Parents/Caregivers will complete behavioral measures at all time points. At Time 1 baseline assessments will be completed. A two-week interval (+/- 3 days) will separate Time 1 and Time 2, when test-retest reliability assessments will be collected. Time 3 will occur three months following Time 2 (+/- 2 weeks), Time 4 will occur three months following Time 3 (+/- 2 weeks), and Time 5 will occur 6 months following Time 4 (+/- 2 weeks) to evaluate sensitivity to change. The three and six-month time intervals were selected to replicate the duration of many clinical trials. The 12-month interval was selected to provide a time interval in which natural development should occur and allow the investigators to evaluate sensitivity to change. In this study, change will occur due to natural development, while in a clinical trial, change would be expected due to treatment. The ability to detect relatively small developmentally-based change over 12 months will allow the investigators to evaluate if the measures could detect similarly small changes in trials. Once recruitment goals are met for NIH standards for 100 young adults, aged 18-29, the study team may begin recruiting adults who are 29-35, as well.
|Study Type :||Observational|
|Estimated Enrollment :||260 participants|
|Official Title:||Evaluating Cognitive Outcomes in Down Syndrome-2|
|Actual Study Start Date :||June 18, 2018|
|Estimated Primary Completion Date :||June 2023|
|Estimated Study Completion Date :||June 2026|
- Psychometric properties of measures in the assessment battery, specifically establishing their test-retest reliability, validity, and sensitivity to change [ Time Frame: Through study completion, an average of 1 year ]
- Psychometric properties of the measures as a function of variations in participant age, gender, and degree of ID [ Time Frame: Through study completion, an average of 1 year ]
- Psychometric properties of the measures as a function of variations in the participants' physical health and medical comorbidities [ Time Frame: Through study completion, an average of one year ]
To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04208685
|Contact: Emily Hoffman, MEd||513-803-3641 ext 33641||Emily.Hoffman1@cchmc.org|
|Contact: Catelyn Shipp, BS||513-517-7015 ext 77015||Catelyn.Shipp@cchmc.org|
|United States, Colorado|
|Colorado State University||Recruiting|
|Fort Collins, Colorado, United States, 80523|
|Contact: Emily Schworer, MS 970-491-1969 firstname.lastname@example.org|
|Contact: Mariah Travis, BS 970-491-1969 email@example.com|
|Principal Investigator: Deborah Fidler, PhD|
|United States, Ohio|
|Cincinnati Children's Hospital Medical Center||Recruiting|
|Cincinnati, Ohio, United States, 45229|
|Contact: Emily Hoffman, MEd 513-803-3641 ext 33641 Emily.Hoffman1@cchmc.org|
|Contact: Catelyn Shipp, BS 513-517-7015 ext 77015 Catelyn.Shipp@cchmc.org|
|Principal Investigator: Anna Esbensen, PhD|
|Principal Investigator:||Anna Esbensen, PhD||Children's Hospital Medical Center, Cincinnati|