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ClinicalTrials.gov public records Last synced Sep 11, 2026, 8:59 PM EDT

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Showing 1–3 of 3 matching trials from the live ClinicalTrials.gov search.
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Conditions
Literacy, Communication, Nonverbal
Interventions
ALLSTAR
Behavioral
Lead sponsor
Penn State University
Other
Eligibility
5 Years to 12 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
State College, Pennsylvania
Conditions
Down Syndrome, Augmentative and Alternative Communication
Interventions
AAC Technology - Standard of Care, AAC Technology - non-optimal integrated arrangement
Device
Lead sponsor
Penn State University
Other
Eligibility
7 Years to 35 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
University Park, Pennsylvania
Completed Phase 2 Interventional Accepts healthy volunteers

Building Sentences With Preschoolers Who Use AAC

NCT03538925
Conditions
Down Syndrome, Speech and Language Disorder, Speech Disorders in Children, Speech Intelligibility, Speech Sound Disorder
Interventions
AAC Generative Language Intervention, Standard of Care / Business as Usual
Behavioral
Lead sponsor
University of Central Florida
Other
Eligibility
3 Years to 4 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
2
States / cities
Orlando, Florida • Albuquerque, New Mexico