Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Jun 25, 2026, 4:08 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 628 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Intellectual Disabilities Clear all
Completed Phase 3 Interventional

Efficacy and Safety Study of STX209 (Arbaclofen) for the Treatment of Social Withdrawal in Children With Fragile X Syndrome

NCT01325220
View directory record Official record
Conditions
Fragile X Syndrome
Interventions
arbaclofen, Placebo
Drug
Lead sponsor
Seaside Therapeutics, Inc.
Industry
Eligibility
5 Years to 11 Years
Enrollment
172 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2011
U.S. locations
28
States / cities
Phoenix, Arizona • Long Beach, California • Sacramento, California + 24 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2013 · Synced Jun 25, 2026, 4:08 PM EDT
Terminated Phase 3 Interventional

Double-Blind, Placebo Controlled, Phase 3 Trial of ZGN-440 (Beloranib) in Obese Subjects With Prader-Willi Syndrome

NCT02179151
View directory record Official record
Conditions
Prader-Willi Syndrome, Obesity
Interventions
ZGN-440 for Injectable Suspension, ZGN-440 Placebo for Injectable Suspension
Drug
Lead sponsor
Zafgen, Inc.
Industry
Eligibility
12 Years to 65 Years
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
15
States / cities
Sacramento, California • San Diego, California • Aurora, Colorado + 12 more
Source: ClinicalTrials.gov public record
Updated Jan 25, 2017 · Synced Jun 25, 2026, 4:08 PM EDT
Recruiting Not applicable Interventional

Web Intervention for Parents of Youth With Genetic Syndromes (WINGS)

NCT06139172
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Jun 25, 2026, 4:08 PM EDT
Completed No phase listed Observational

Sjogren-Larsson Syndrome: Natural History, Clinical Variation and Evaluation of Biochemical Markers

NCT01971957
View directory record Official record
Conditions
Sjogren-Larsson Syndrome (SLS)
Interventions
Not listed
Lead sponsor
University of Nebraska
Other
Eligibility
Not listed
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2023
U.S. locations
2
States / cities
Omaha, Nebraska • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 7, 2024 · Synced Jun 25, 2026, 4:08 PM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy Study of Oral Glycopyrrolate Liquid for the Treatment of Pathologic (Chronic Moderate to Severe) Drooling in Pediatric Patients 3 to 18 Years of Age With Cerebral Palsy or Other Neurologic Conditions

NCT00491894
View directory record Official record
Conditions
Cerebral Palsy, Neurological Conditions, Mental Retardation, Sialorrhea
Interventions
Oral Glycopyrrolate Liquid
Drug
Lead sponsor
Shionogi
Industry
Eligibility
3 Years to 18 Years
Enrollment
137 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
7
States / cities
Lakewood, Colorado • Atlanta, Georgia • Bayside, New York + 4 more
Source: ClinicalTrials.gov public record
Updated Jul 8, 2012 · Synced Jun 25, 2026, 4:08 PM EDT
Completed Phase 2 Interventional

A 6-week, Study of MG01CI Low Dose and High Dose Compared With Placebo in Adults and Adolescents With Fragile X Syndrome

NCT02126995
View directory record Official record
Conditions
Fragile X Syndrome
Interventions
MG01CI extended-release tablet
Drug
Lead sponsor
Alcobra Ltd.
Industry
Eligibility
15 Years to 55 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
11
States / cities
Phoenix, Arizona • Sacramento, California • Aurora, Colorado + 8 more
Source: ClinicalTrials.gov public record
Updated Jul 5, 2016 · Synced Jun 25, 2026, 4:08 PM EDT
Approved For Marketing No phase listed Expanded access

Copper Histidinate Treatment for Menkes Disease

NCT04074512
View directory record Official record
Conditions
Menkes Disease
Interventions
copper histidinate
Drug
Lead sponsor
Sentynl Therapeutics, Inc.
Industry
Eligibility
0 Years to 6 Years
U.S. locations
20
States / cities
Phoenix, Arizona • Sacramento, California • San Diego, California + 17 more
Source: ClinicalTrials.gov public record
Updated Mar 1, 2026 · Synced Jun 25, 2026, 4:08 PM EDT
Terminated Phase 4 Interventional Results available

Use of Liquid Stable Levothyroxine in Trisomy 21 Pediatric Patients

NCT04747275
View directory record Official record
Conditions
Hypothyroidism, Trisomy 21
Interventions
Liquid stable levothyroxine (L-T4) Tirosint-SOL, Oral tablet levothyroxine (L-T4)
Drug
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
2 Months to 4 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 12, 2023 · Synced Jun 25, 2026, 4:08 PM EDT
Recruiting Phase 3 Interventional Accepts healthy volunteers

Exploring Sympathetic Nervous System Function in Individuals With Down Syndrome

NCT07238465
View directory record Official record
Conditions
Down Syndrome, Autonomic Dysfunction
Interventions
Fear Response, Cold Stress, Pain Response, Caffeine, 12-Hour Fast, Maximal Dynamic Exercise
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 50 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced Jun 25, 2026, 4:08 PM EDT
Completed No phase listed Observational

Healthy Sleep for Children With Down Syndrome

NCT03922165
View directory record Official record
Conditions
Down Syndrome, Sleep Disordered Breathing
Interventions
Adenotonsillectomy
Procedure
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
3 Years to 13 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
6
States / cities
Ann Arbor, Michigan • Cincinnati, Ohio • Cleveland, Ohio + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 1, 2022 · Synced Jun 25, 2026, 4:08 PM EDT
Completed Not applicable Interventional

Effects of Standing on Non-Ambulatory Children With Neuromuscular Conditions

NCT02428673
View directory record Official record
Conditions
Osteopenia, Spinal Muscular Atrophy, Cerebral Palsy, Muscular Dystrophy, Spina Bifida, Rett Syndrome
Interventions
Assisted Standing Treatment Program
Other
Lead sponsor
Gillette Children's Specialty Healthcare
Other
Eligibility
3 Years to 14 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 20, 2021 · Synced Jun 25, 2026, 4:08 PM EDT
Completed Phase 1 Interventional Results available

Safety, Tolerability and Immunogenicity of ACI-24 Vaccine in Adults With Down Syndrome

NCT02738450
View directory record Official record
Conditions
Down Syndrome
Interventions
ACI-24 low dose, ACI-24 high dose, Placebo
Biological
Lead sponsor
AC Immune SA
Industry
Eligibility
25 Years to 45 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
4
States / cities
Phoenix, Arizona • La Jolla, California • Baltimore, Maryland + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 14, 2021 · Synced Jun 25, 2026, 4:08 PM EDT
Completed No phase listed Observational

Characteristics of Prader-Willi Syndrome and Early-onset Morbid Obesity

NCT00375089
View directory record Official record
Conditions
Prader-Willi Syndrome, Obesity
Interventions
Group 1, Group 2
Other
Lead sponsor
University of Florida
Other
Eligibility
Up to 60 Years
Enrollment
392 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2014
U.S. locations
4
States / cities
Orange, California • Gainesville, Florida • Kansas City, Kansas + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 21, 2014 · Synced Jun 25, 2026, 4:08 PM EDT
Not listed Phase 3 Interventional

Independent Studies of Dextromethorphan and of Donepezil Hydrochloride for Rett Syndrome

NCT00069550
View directory record Official record
Conditions
Rett Syndrome
Interventions
dextromethorphan, donepezil hydrochloride
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
1 Year to 15 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Jun 25, 2026, 4:08 PM EDT
Withdrawn Phase 2 Interventional

Liq-NOL Efficacy in Pediatric Patients With Down Syndrome

NCT00891917
View directory record Official record
Conditions
Down Syndrome
Interventions
Ubiquinol-10 Syrup, syrup (placebo)
Dietary Supplement
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
6 Years to 16 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2012
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 8, 2020 · Synced Jun 25, 2026, 4:08 PM EDT
Active, not recruiting No phase listed Observational

Long Term Follow-up (LTFU) of Subjects Who Received SB-318, SB-913, or SB-FIX

NCT04628871
View directory record Official record
Conditions
Hemophilia B, Mucopolysaccharidosis I, Mucopolysaccharidosis II
Interventions
SB-318, SB-913, SB-FIX
Biological
Lead sponsor
Sangamo Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2030
U.S. locations
5
States / cities
Oakland, California • Chicago, Illinois • New York, New York + 2 more
Source: ClinicalTrials.gov public record
Updated May 2, 2024 · Synced Jun 25, 2026, 4:08 PM EDT
Completed Phase 1Phase 2 Interventional

Effects of Social Gaze Training on Brain and Behavior in Fragile X Syndrome

NCT02616796
View directory record Official record
Conditions
Fragile X Syndrome, Intellectual Disability
Interventions
Social gaze training
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
8 Years to 18 Years · Male only
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Nov 8, 2023 · Synced Jun 25, 2026, 4:08 PM EDT
Active, not recruiting Phase 2 Interventional

A Study of Setmelanotide in Patients With Prader-Willi Syndrome

NCT06772597
View directory record Official record
Conditions
Prader-Willi Syndrome, Obesity, Hyperphagia
Interventions
Setmelanotide
Drug
Lead sponsor
Rhythm Pharmaceuticals, Inc.
Industry
Eligibility
6 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Feb 11, 2026 · Synced Jun 25, 2026, 4:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Family-Based Weight Loss Intervention for Youth With Intellectual Disability

NCT02033642
View directory record Official record
Conditions
Obesity
Interventions
Family Based Behavioral Intervention, Maintenance
Behavioral
Lead sponsor
University of Massachusetts, Boston
Other
Eligibility
14 Years to 22 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 17, 2019 · Synced Jun 25, 2026, 4:08 PM EDT
Completed Phase 3 Interventional

Open-Label Extension Study of DCCR in PWS Followed by Double-Blind, Placebo-Controlled, Randomized Withdrawal Period

NCT03714373
View directory record Official record
Conditions
Prader-Willi Syndrome
Interventions
DCCR, Placebo for DCCR
Drug
Lead sponsor
Soleno Therapeutics, Inc.
Industry
Eligibility
4 Years and older
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
20
States / cities
Orange, California • Palo Alto, California • San Diego, California + 17 more
Source: ClinicalTrials.gov public record
Updated Apr 18, 2024 · Synced Jun 25, 2026, 4:08 PM EDT
Not yet recruiting Phase 2 Interventional

Inhibition of Aggressive Behavior in Participants With Fragile X Syndrome

NCT07328529
View directory record Official record
Conditions
Aggressive Behavior in Fragile X Syndome
Interventions
SRX246, Placebo
Drug
Lead sponsor
Azevan Pharmaceuticals
Industry
Eligibility
18 Years to 45 Years · Male only
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
3
States / cities
Sacramento, California • Chicago, Illinois • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 8, 2026 · Synced Jun 25, 2026, 4:08 PM EDT
Withdrawn Phase 2 Interventional

Study of Tesomet With Open-label Extension in Subjects With Prader-Willi Syndrome

NCT05198362
View directory record Official record
Conditions
Prader-Willi Syndrome
Interventions
Placebo, Tesomet
Other · Drug
Lead sponsor
Saniona
Industry
Eligibility
13 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Lansing, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 12, 2022 · Synced Jun 25, 2026, 4:08 PM EDT
Active, not recruiting Phase 3 Interventional

A Novel, Regulated Gene Therapy (NGN-401) Study for Females With Rett Syndrome

NCT05898620
View directory record Official record
Conditions
Rett Syndrome
Interventions
NGN-401
Genetic
Lead sponsor
Neurogene Inc.
Industry
Eligibility
3 Years and older · Female only
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
13
States / cities
Birmingham, Alabama • Oakland, California • Aurora, Colorado + 10 more
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Jun 25, 2026, 4:08 PM EDT
Completed No phase listed Observational Results available

Collection and Study of Cerebrospinal Fluid in Patients With Hunter Syndrome

NCT01449240
View directory record Official record
Conditions
Hunter Syndrome
Interventions
No treatment
Other
Lead sponsor
Shire
Industry
Eligibility
Up to 70 Years · Male only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
5
States / cities
Decatur, Georgia • Chicago, Illinois • Minneapolis, Minnesota + 2 more
Source: ClinicalTrials.gov public record
Updated Jun 8, 2021 · Synced Jun 25, 2026, 4:08 PM EDT