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ClinicalTrials.gov public records Last synced Sep 15, 2026, 12:49 AM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Conditions
Neurodevelopmental Disorders, Intellectual Disability, Development Delay, ADHD, Autism Spectrum Disorder, Epilepsy
Interventions
Sulfonylurea
Drug
Lead sponsor
Royal Devon and Exeter NHS Foundation Trust
Other
Eligibility
2 Years to 50 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Rett Syndrome
Interventions
rhIGF-1
Drug
Lead sponsor
Boston Children's Hospital
Other
Eligibility
2 Years to 12 Years · Female only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Recruiting Not applicable Interventional Accepts healthy volunteers

Speech-in-noise Perception in Autism and Fragile X

NCT06088589
Conditions
Autism Spectrum Disorder, Fragile X Syndrome
Interventions
Mismatch negativity
Behavioral
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
15 Years to 35 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Cincinnati, Ohio
Not listed No phase listed Observational Accepts healthy volunteers

Whole Blood Specimen Collection From Pregnant Subjects

NCT02430584
Conditions
Down Syndrome, Edwards Syndrome, Patau Syndrome, Klinefelter Syndrome, Turner Syndrome, DiGeorge Syndrome, Perinatal Infections
Interventions
Observational - no intervention
Other
Lead sponsor
Progenity, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2021
U.S. locations
1
States / cities
Chattanooga, Tennessee
Completed Not applicable Interventional Results available

Clinical Utility of Pediatric Whole Exome Sequencing

NCT03525431
Conditions
Encephalopathy, Birth Defect, Intellectual Disability, Multiple Congenital Anomaly, Metabolic Disease, Epilepsy, Neuro-Degenerative Disease, Cerebral Palsy, Developmental Delay, Developmental Defect
Interventions
Whole Exome Sequencing
Diagnostic Test
Lead sponsor
University of California, San Francisco
Other
Eligibility
Up to 25 Years
Enrollment
529 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
4
States / cities
Fresno, California • Oakland, California • San Francisco, California
Conditions
ADNP, Helsmoortel-Van Der Aa Syndrome, Autism Spectrum Disorder
Interventions
Not listed
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
2 Years and older
Enrollment
30 participants
Timeline
2017 – 2027
U.S. locations
1
States / cities
New York, New York
Conditions
Autism, Intellectual Disabilities With Other Behavioral Symptoms, Intellectual Disability
Interventions
Regulating Together group therapy
Behavioral
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
8 Years to 12 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2028
U.S. locations
1
States / cities
Kansas City, Missouri
Conditions
Rett Syndrome
Interventions
TSHA-102
Genetic
Lead sponsor
Taysha Gene Therapies, Inc.
Industry
Eligibility
6 Years to 21 Years · Female only
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2031
U.S. locations
8
States / cities
Duarte, California • La Jolla, California • Oakland, California + 5 more
Conditions
Rett Syndrome
Interventions
NNZ-2566, Placebo
Drug
Lead sponsor
Neuren Pharmaceuticals Limited
Industry
Eligibility
16 Years to 45 Years · Female only
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
3
States / cities
Birmingham, Alabama • Saint Paul, Minnesota • Houston, Texas
Conditions
Down Syndrome
Interventions
Linguistic simplification
Behavioral
Lead sponsor
Michigan State University
Other
Eligibility
2 Years to 7 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
East Lansing, Michigan
Completed No phase listed Observational Accepts healthy volunteers

SNP-based Microdeletion and Aneuploidy RegisTry (SMART)

NCT02381457
Conditions
22q11 Deletion Syndrome, DiGeorge Syndrome, Trisomy 21, Trisomy 18, Trisomy 13, Monosomy X, Sex Chromosome Abnormalities, Cri-du-Chat Syndrome, Angelman Syndrome, Prader-Willi Syndrome, 1p36 Deletion Syndrome
Interventions
Not listed
Lead sponsor
Natera, Inc.
Industry
Eligibility
18 Years to 48 Years · Female only
Enrollment
20,960 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
16
States / cities
San Francisco, California • Camden, New Jersey • Mount Laurel, New Jersey + 10 more
Completed Not applicable Interventional Accepts healthy volunteers

Dual Diagnosis Training Trial

NCT06238258
Conditions
Training Group
Interventions
SPECTROM Training
Behavioral
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years and older
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Albuquerque, New Mexico
Conditions
Mental Retardation, Developmental Delay Disorder
Interventions
risperidone, clozapine, olanzapine
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
6 Years to 60 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2001
U.S. locations
1
States / cities
Lawrence, Kansas
Conditions
Prader-Willi Syndrome, Hypothalamic Obesity, Obesity/Therapy
Interventions
Tirzepatide
Drug
Lead sponsor
Grace Kim
Other
Eligibility
18 Years to 26 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
3
States / cities
Saint Paul, Minnesota • Nashville, Tennessee • Seattle, Washington
Conditions
Intellectual Disability, Developmental Disability, Axis I Diagnosis, Mental Illness, Covid19, Coronavirus
Interventions
Generic Best Practices, Tailored Best Practices
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
415 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Obesity, Prader Willi Syndrome
Interventions
High carbohydrate meal, High fat meal
Other
Lead sponsor
Duke University
Other
Eligibility
5 Years to 17 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Down Syndrome
Interventions
JASPER, Psychoeducational Curriculum
Behavioral
Lead sponsor
Boston Children's Hospital
Other
Eligibility
36 Months to 90 Months
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Tardive Dyskinesia, Intellectual Disability, Developmental Disabilities
Interventions
Deutetrabenazine Oral Capsule
Drug
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years to 89 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Cleveland, Ohio
Not listed Not applicable Interventional Accepts healthy volunteers

PODER Familiar: Health Promotion for Latino Families of Children With IDD

NCT05713617
Conditions
Health-Related Behavior, Quality of Life, Psychological Distress, Diet, Healthy, Physical Inactivity
Interventions
PODER Familiar
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
6 Years to 100 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
2
States / cities
Chicago, Illinois • Austin, Texas
Conditions
Trisomy 21, Trisomy 18, Trisomy 13, Sex Chromosome Abnormalities, Microdeletion Syndromes
Interventions
Not listed
Lead sponsor
Natera, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,059 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2020
U.S. locations
7
States / cities
San Carlos, California • San Gabriel, California • Washington D.C., District of Columbia + 4 more
Conditions
Autism Spectrum Disorder, Intellectual Disability
Interventions
Use of Expert Guiding Technology (GAINS) to Improve Live and Vocational Skills for Individuals with Developmental Challenges
Behavioral
Lead sponsor
John T. Nosek
Industry
Eligibility
Not listed
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Newark, Delaware
Completed No phase listed Observational Accepts healthy volunteers

Development of the ORCA Communication Measure for Rett Syndrome

NCT04920110
Conditions
Rett Syndrome
Interventions
Not listed
Lead sponsor
Rett Syndrome Research Trust
Other
Eligibility
18 Years and older
Enrollment
272 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Prader-Willi Syndrome
Interventions
Octreotide, Placebo
Drug
Lead sponsor
Duke University
Other
Eligibility
5 Years to 21 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Telomeric 22Q13 Monosomy Syndrome, Tuberous Sclerosis, Hamartoma Syndrome, Multiple, Fragile X Syndrome, Angelman Syndrome, Rett Syndrome, Chromosome 15Q, Partial Deletion, Creatine Deficiency, X-linked
Interventions
Functional Behavioral Training (FBT), Positive Parenting Strategies-Treatment as Usual
Behavioral · Other
Lead sponsor
Rush University Medical Center
Other
Eligibility
2 Years to 12 Years
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Chicago, Illinois