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Study identifier: NCT04165109 Synced from ClinicalTrials.gov · July 28, 2026
● Recruiting

Trial-Ready Cohort-Down Syndrome (TRC-DS)

Condition: Down Syndrome · Alzheimer Disease · Dementia  ·  Sponsor: University of Southern California

PhaseN/A
Planned participants550
Who can joinAll sexes, 25 Years to 55 Years
Healthy volunteersNo

About this study

The purpose of the Trial-Ready Cohort - Down Syndrome (TRC-DS) is to enroll 120 healthy adults with Down syndrome (DS), between the ages of 25-55, into a trial ready cohort (TRC), and up to 550 participants in total including co-enrolled in the Alzheimer Biomarkers Consortium - Down Syndrome (ABC-DS) study. Participants enrolled in the TRC-DS will undergo longitudinal cognitive and clinical assessment, genetic and biomarker testing, as well as imaging and biospecimen collection. Using these outcome measures, researchers will analyze the relationships between cognitive measures and biomarkers of Alzheimer's disease (AD) to identify endpoints for AD clinical trials in DS that best reflect disease progression. To learn more about the study and participating sites, visit our study website at: https://www.trcds.org/. TRC-DS is collaborating with the Alzheimer's Disease Biomarker Consortium-Down Syndrome (ABC-DS) to allow study participants to be concurrently enrolled in both ABC-DS and TRC-DS, referred to as "co-enrollment". ABC-DS is a longitudinal, observational research study that is overseen at University of Pittsburgh Coordinating Center. ABC-DS participants who express interest in potentially joining a clinical trial in the future and who meet TRC-DS eligibility criteria, may choose to co-enroll in TRC-DS at an ABC-DS Site. Co-enrolled participants will adhere to the ABC-DS protocol and schedule of activities, but agree to share their data with the TRC-DS team and to recei…

This description comes directly from the study's public registry record.

Talk to the study team

ATRI Recruitment Team  ·  213-821-0569  ·  DS-participate@usc.edu

Always discuss trial participation with your own doctor first.

Locations (22)

Barrow Neurological InstitutePhoenix, Arizona, United StatesRecruiting
University of California, Irvine School of Medicine, Co-Enrolling through ABC-DS OnlyOrange, California, United StatesRecruiting
Linda Crnic Institute for Down Syndrome, University of ColoradoAurora, Colorado, United StatesRecruiting
Advocate Medical Group Adult Down Syndrome CenterPark Ridge, Illinois, United StatesNot Yet Recruiting
Indiana UniversityIndianapolis, Indiana, United StatesRecruiting
University of Kansas Medical CenterKansas City, Kansas, United StatesRecruiting
University of Kentucky, Co-Enrolling through ABC-DS OnlyLexington, Kentucky, United StatesRecruiting
Massachusetts General Hospital, Co-Enrolling through ABC-DS OnlyBoston, Massachusetts, United StatesRecruiting
Washington University, St. LouisSt Louis, Missouri, United StatesRecruiting
Cleveland Clinic, Lou Ruvo Center for Brain Health, Las VegasLas Vegas, Nevada, United StatesNot Yet Recruiting
New York State Institute for Basic Research in Developmental Disabilities (SIBRDD), Co-Enrolling through ABC-DS OnlyStaten Island, New York, United StatesRecruiting
Case Western Reserve UniversityBeachwood, Ohio, United StatesRecruiting

+ 10 more locations — full list on the registry record.

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Source record: clinicaltrials.gov/study/NCT04165109