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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Completed No phase listed Observational

Brain Connectivity in Neurodevelopmental Disorders in Response to Treatment

NCT01364818
View directory record Official record
Conditions
Autism Spectrum Disorders, Psychosis, Fragile X Syndrome
Interventions
Not listed
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
3 Years to 45 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 17, 2016 · Synced Sep 25, 2026, 4:34 AM EDT
Active, not recruiting Phase 4 Interventional

Treating Leg Symptoms in Women With X-linked Adrenoleukodystrophy

NCT05003648
View directory record Official record
Conditions
Adrenoleukodystrophy, Restless Legs Syndrome
Interventions
Pramipexole, Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 75 Years · Female only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Sep 25, 2026, 4:34 AM EDT
Completed Not applicable Interventional

Chromium Picolinate for the Treatment of Metabolic Syndrome

NCT00128154
View directory record Official record
Conditions
Metabolic Syndrome X, Prediabetic State, Insulin Resistance, Obesity, Metabolic Diseases
Interventions
Chromium picolinate
Drug
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
18 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 17, 2006 · Synced Sep 25, 2026, 4:34 AM EDT
Completed Not applicable Interventional

Teaching Math Skills to Individuals With Fragile X Syndrome

NCT01204151
View directory record Official record
Conditions
Developmental Disabilities, Fragile X Syndrome
Interventions
discrete-trial training
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
10 Years to 23 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated May 8, 2019 · Synced Sep 25, 2026, 4:34 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Auditory EEG and Behavioral Assessments in Individuals With Rett Syndrome

NCT07569445
View directory record Official record
Conditions
Rett Syndrome
Interventions
Electroencephalogram (EEG) Recording
Procedure
Lead sponsor
University of Rochester
Other
Eligibility
2 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Sep 25, 2026, 4:34 AM EDT
Completed Phase 4 Interventional Results available

Safety and Efficacy Study of Flebogamma 5% DIF IGIV in Pediatric Subjects

NCT00634569
View directory record Official record
Conditions
Primary Immune Deficiency Disease
Interventions
Flebogamma 5% DIF
Biological
Lead sponsor
Instituto Grifols, S.A.
Industry
Eligibility
2 Years to 16 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
7
States / cities
St. Petersburg, Florida • Atlanta, Georgia • Chicago, Illinois + 4 more
Source: ClinicalTrials.gov public record
Updated Feb 1, 2017 · Synced Sep 25, 2026, 4:34 AM EDT
Completed Phase 2 Interventional Results available

Study of SPG601 in Adult Men With Fragile X Syndrome

NCT06413537
View directory record Official record
Conditions
Fragile X Syndrome
Interventions
SPG601, Placebo
Drug
Lead sponsor
Spinogenix
Industry
Eligibility
18 Years to 45 Years · Male only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated May 25, 2026 · Synced Sep 25, 2026, 4:34 AM EDT
Active, not 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
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Sep 25, 2026, 4:34 AM EDT
Completed Not applicable Interventional

Exercise and Weight Loss for Improving Mobility in Older Adults Who Are Obese

NCT00119795
View directory record Official record
Conditions
Cardiovascular Diseases, Heart Diseases, Metabolic Syndrome X, Obesity
Interventions
Exercise, Weight Loss, Health Education Control
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
60 Years to 79 Years
Enrollment
288 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
3
States / cities
Greensboro, North Carolina • Lexington, North Carolina • Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 14, 2018 · Synced Sep 25, 2026, 4:34 AM EDT
Completed Phase 2 Interventional

Placebo-Controlled, Single-Dose Challenge Study of Gaboxadol in Adult Males With Fragile X Syndrome (FXS)

NCT06334419
View directory record Official record
Conditions
Fragile X Syndrome
Interventions
Gaboxadol, Placebo
Drug
Lead sponsor
Craig Erickson
Other
Eligibility
18 Years to 40 Years · Male only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 22, 2025 · Synced Sep 25, 2026, 4:34 AM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

Implications of Maternal 45,X Mosaicism as a Secondary Genomic Finding Following Cell-Free DNA Sequencing During Pregnancy: A Deep Phenotype Study

NCT05548881
View directory record Official record
Conditions
Cardiovascular Phenotype, Metabolic Phenotype, Hypertensive Disease, Psychological Phenotype, Audio
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years to 99 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 1, 2025 · Synced Sep 25, 2026, 4:34 AM EDT
Completed Phase 1 Interventional

Clinical Study to Assess the Pharmacokinetics, Safety and Tolerability of Single and Multiple Oral Doses of AFQ056 in Children With Fragile X Syndrome (FXS)

NCT01482143
View directory record Official record
Conditions
Fragile X Syndrome
Interventions
AFQ056
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
3 Years to 11 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
3
States / cities
Sacramento, California • Chicago, Illinois • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 7, 2020 · Synced Sep 25, 2026, 4:34 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Rare Diseases Clinical Research Network: Neurophysiological Correlates

NCT03077308
View directory record Official record
Conditions
Rett Syndrome, Preserved Speech Variant, Mecp2 Duplication Syndrome, Rett-related Disorders
Interventions
Auditory and Visual Event-related Potentials and EEG
Procedure
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
2 Years to 65 Years
Enrollment
185 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
5
States / cities
Denver, Colorado • Boston, Massachusetts • Cincinnati, Ohio + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 4, 2021 · Synced Sep 25, 2026, 4:34 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Evaluation of a Device to Reduce Motion Sickness and Spatial Disorientation

NCT06892340
View directory record Official record
Conditions
Motion Sickness
Interventions
Transcutaneous Auricular Neurostimulation device
Device
Lead sponsor
59th Medical Wing
Federal
Eligibility
18 Years to 50 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Aug 14, 2025 · Synced Sep 25, 2026, 4:34 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effect of IFN-γ on Innate Immune Cells

NCT02609932
View directory record Official record
Conditions
Chronic Granulomatous Disease
Interventions
Administration of drug (Interferon-gamma 1-b) subcutaneously
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 14, 2019 · Synced Sep 25, 2026, 4:34 AM EDT
Recruiting No phase listed Observational

MEHMO Natural History and Biomarkers

NCT06019182
View directory record Official record
Conditions
Intellectual Disability, Epilepsy, Hypogonadisms, Microcephaly, Nervous System Malformations, Obesity
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
1 Week to 100 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2053
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Sep 25, 2026, 4:34 AM EDT
Recruiting No phase listed Observational

Investigation of the Genetics of Hematologic Diseases

NCT02720679
View directory record Official record
Conditions
Bone Marrow Failure Syndromes, Erythrocyte Disorder, Leukocyte Disorder, Hemostasis, Blood Coagulation Disorder, Sickle Cell Disease, Dyskeratosis Congenita, Diamond-Blackfan Anemia, Congenital Thrombocytopenia, Severe Congenital Neutropenia, Fanconi Anemia, Myelodysplastic Syndromes, Myeloproliferative Diseases
Interventions
Not listed
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
Not listed
Enrollment
1,716 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2050
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Sep 25, 2026, 4:34 AM EDT
Completed Phase 3 Interventional Results available

Therapeutic Use of Tadekinig Alfa in NLRC4 Mutation and XIAP Deficiency

NCT03113760
View directory record Official record
Conditions
NLRC4-MAS, XIAP Deficiency
Interventions
Tadekinig alfa, 0.9% sodium chloride
Drug · Other
Lead sponsor
AB2 Bio Ltd.
Industry
Eligibility
Not listed
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
6
States / cities
La Jolla, California • Atlanta, Georgia • Boston, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 1, 2025 · Synced Sep 25, 2026, 4:34 AM EDT
Completed Phase 2 Interventional

Itraconazole for the Prevention of Fungal Infections in Chronic Granulomatous Disease

NCT00001280
View directory record Official record
Conditions
Mycoses
Interventions
itraconazole
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
Not listed
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1991 – 2001
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 25, 2026, 4:34 AM EDT
Not listed Phase 1Phase 2 Interventional

Metformin in Patients With Fragile X

NCT04141163
View directory record Official record
Conditions
Fragile X Syndrome
Interventions
Metformin, Placebo oral tablet
Drug
Lead sponsor
Rowan University
Other
Eligibility
18 Years to 50 Years · Male only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Stratford, New Jersey
Source: ClinicalTrials.gov public record
Updated Oct 30, 2019 · Synced Sep 25, 2026, 4:34 AM EDT
Completed Phase 1 Interventional

Unrelated Umbilical Cord Blood Transplantation Augmented With ALDHbr Umbilical Cord Blood Cells

NCT00692926
View directory record Official record
Conditions
MDS, Anemia, Aplastic, Inborn Errors of Metabolism, Congenital Marrow Failure, Congenital Immunodeficiency Syndrome
Interventions
ALDHbr Umbilical Cord Blood Cells
Biological
Lead sponsor
Joanne Kurtzberg, MD
Other
Eligibility
Up to 55 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2012
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 28, 2017 · Synced Sep 25, 2026, 4:34 AM EDT
Not listed Phase 1Phase 2 Interventional

Lentiviral Gene Transfer for Treatment of Children Older Than 2 Years of Age With X-Linked Severe Combined Immunodeficiency

NCT03315078
View directory record Official record
Conditions
X-Linked Combined Immunodeficiency Diseases
Interventions
CD34+ HSCs transduced with the lentivirus vector, VSV-G pseudotyped CL20-4i-EF1α-hγc-OPT, Palifermin, Busulfan
Biological · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
2 Years to 40 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2022
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 3, 2019 · Synced Sep 25, 2026, 4:34 AM EDT
Suspended Phase 2 Interventional

A Study to Assess the Tolerability of a Single Dose of STX107 in Adults With Fragile X Syndrome

NCT01325740
View directory record Official record
Conditions
Fragile X Syndrome
Interventions
STX107
Drug
Lead sponsor
Seaside Therapeutics, Inc.
Industry
Eligibility
18 Years to 50 Years · Male only
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
5
States / cities
Los Angeles, California • Sacramento, California • Aurora, Colorado + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 19, 2012 · Synced Sep 25, 2026, 4:34 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Extension of Study TKT024 Evaluating Long-Term Safety and Clinical Outcomes in MPS II Patients Receiving Idursulfase

NCT00630747
View directory record Official record
Conditions
Hunter Syndrome, Mucopolysaccharidosis II (MPS II)
Interventions
Idursulfase
Biological
Lead sponsor
Shire
Industry
Eligibility
5 Years and older · Male only
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
16
States / cities
Phoenix, Arizona • Oakland, California • Denver, Colorado + 13 more
Source: ClinicalTrials.gov public record
Updated Jun 9, 2021 · Synced Sep 25, 2026, 4:34 AM EDT