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ClinicalTrials.gov public records Last synced May 21, 2026, 5:34 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 88 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Fragile X Syndrome
Interventions
Sertraline, Placebo
Drug
Lead sponsor
Randi J. Hagerman, MD
Other
Eligibility
24 Months to 68 Months
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Sep 24, 2017 · Synced May 21, 2026, 5:34 PM EDT
Conditions
Fragile X Syndrome
Interventions
BPN14770/ zatolmilast, Placebo
Drug
Lead sponsor
Tetra Discovery Partners
Industry
Eligibility
18 Years to 45 Years · Male only
Enrollment
171 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
17
States / cities
Irvine, California • Orange, California • Sacramento, California + 14 more
Source: ClinicalTrials.gov public record
Updated Jul 22, 2025 · Synced May 21, 2026, 5:34 PM EDT
Conditions
Fragile X Syndrome
Interventions
AFQ056, Placebo
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 45 Years
Enrollment
175 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
12
States / cities
Phoenix, Arizona • Sacramento, California • Decatur, Georgia + 9 more
Source: ClinicalTrials.gov public record
Updated Dec 22, 2020 · Synced May 21, 2026, 5:34 PM EDT
Conditions
Autism, Autism Spectrum Disorder, Autistic Disorder, Autism, Akinetic, Autism; Atypical, Autism; Psychopathy, Autism Fragile Syndrome X, Autism With High Cognitive Abilities, Autism-Related Speech Delay, Autism, Susceptibility to, 6, Autism Spectrum Disorder High-Functioning, Autistic Thinking, Autism, Susceptibility to, X-Linked 6, Autistic Behavior
Interventions
No Intervention
Other
Lead sponsor
ProgenaBiome
Other
Eligibility
6 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2030
U.S. locations
1
States / cities
Ventura, California
Source: ClinicalTrials.gov public record
Updated Jun 4, 2025 · Synced May 21, 2026, 5:34 PM EDT
Conditions
Fragile X Syndrome
Interventions
AZD7325 (High-Dose), AZD7325 (Low-Dose), Placebo oral capsule
Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
18 Years to 50 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 7, 2021 · Synced May 21, 2026, 5:34 PM EDT
Conditions
Fragile X Syndrome
Interventions
NPL-2009
Drug
Lead sponsor
Neuropharm
Industry
Eligibility
18 Years to 45 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
2
States / cities
Sacramento, California • Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 26, 2012 · Synced May 21, 2026, 5:34 PM EDT
Conditions
Fragile X Syndrome (FXS)
Interventions
OV101 (gaboxadol)
Drug
Lead sponsor
Healx AI
Industry
Eligibility
13 Years to 22 Years · Male only
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
6
States / cities
Sacramento, California • Aurora, Colorado • Chicago, Illinois + 3 more
Source: ClinicalTrials.gov public record
Updated Jan 22, 2024 · Synced May 21, 2026, 5:34 PM EDT
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 May 21, 2026, 5:34 PM EDT
Conditions
Fragile X Syndrome
Interventions
Aripiprazole
Drug
Lead sponsor
Indiana University
Other
Eligibility
5 Years to 35 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Apr 17, 2017 · Synced May 21, 2026, 5:34 PM EDT
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 May 21, 2026, 5:34 PM EDT
Conditions
Fragile X Syndrome, Autism
Interventions
CX516 (Ampalex®)
Drug
Lead sponsor
RespireRx
Industry
Eligibility
18 Years to 50 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2002
U.S. locations
2
States / cities
Sacramento, California • Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced May 21, 2026, 5:34 PM EDT
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 Jan 13, 2025 · Synced May 21, 2026, 5:34 PM EDT
Conditions
Angelman Syndrome, Fragile X Syndrome
Interventions
OV101
Drug
Lead sponsor
Healx AI
Industry
Eligibility
13 Years to 17 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
2
States / cities
Chicago, Illinois • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 29, 2017 · Synced May 21, 2026, 5:34 PM EDT
Conditions
Fragile X Syndrome
Interventions
Acamprosate, Lovastatin, Minocycline, Placebo, Baclofen
Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
15 Years to 55 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 25, 2021 · Synced May 21, 2026, 5:34 PM EDT
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 May 21, 2026, 5:34 PM EDT
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 May 21, 2026, 5:34 PM EDT
Conditions
Anxiety Disorders, Child Developmental Disorders, Pervasive
Interventions
Not listed
Lead sponsor
University of California, Davis
Other
Eligibility
5 Years to 25 Years
Enrollment
511 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2010
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated May 29, 2017 · Synced May 21, 2026, 5:34 PM EDT
Conditions
Genetic Disorder, Asperger Disorder, Autism Spectrum Disorder, Fragile X Syndrome, Developmental Delay
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
1 Year to 99 Years
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2025
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 1, 2025 · Synced May 21, 2026, 5:34 PM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers
Conditions
Spinal Muscular Atrophy, Fragile X Syndrome, Fragile X - Premutation, Duchenne Muscular Dystrophy, Hyperinsulinemic Hypoglycemia, Familial 1, Diabetes Mellitus, Adrenoleukodystrophy, Neonatal, Medium-chain Acyl-CoA Dehydrogenase Deficiency, Very Long Chain Acyl Coa Dehydrogenase Deficiency, Beta-ketothiolase Deficiency, Severe Combined Immunodeficiency Due to Adenosine Deaminase Deficiency, Primary Hyperoxaluria Type 1, Congenital Bile Acid Synthesis Defect Type 2, Pyridoxine-Dependent Epilepsy, Hereditary Fructose Intolerance, Hypophosphatasia, Hyperargininemia, Mucopolysaccharidosis Type 6, Argininosuccinic Aciduria, Citrullinemia, Type I, Wilson Disease, Maple Syrup Urine Disease, Type 1A, Maple Syrup Urine Disease, Type 1B, Biotinidase Deficiency, Neonatal Severe Primary Hyperparathyroidism, Intrinsic Factor Deficiency, Usher Syndrome Type 1D/F Digenic (Diagnosis), Cystic Fibrosis, Stickler Syndrome Type 2, Stickler Syndrome Type 1, Alport Syndrome, Autosomal Recessive, Alport Syndrome, X-Linked, Carbamoyl Phosphate Synthetase I Deficiency Disease, Carnitine Palmitoyl Transferase 1A Deficiency, Carnitine Palmitoyltransferase II Deficiency, Cystinosis, Chronic Granulomatous Disease, Cerebrotendinous Xanthomatoses, Maple Syrup Urine Disease, Type 2, Severe Combined Immunodeficiency Due to DCLRE1C Deficiency, Thyroid Dyshormonogenesis 6, Thyroid Dyshormonogenesis 5, Supravalvar Aortic Stenosis, Factor X Deficiency, Hemophilia A, Hemophilia B, Tyrosinemia, Type I, Fructose 1,6 Bisphosphatase Deficiency, Glycogen Storage Disease Type I, G6PD Deficiency, Glycogen Storage Disease II, Galactokinase Deficiency, Mucopolysaccharidosis Type IV A, Galactosemias, Guanidinoacetate Methyltransferase Deficiency, Agat Deficiency, Glutaryl-CoA Dehydrogenase Deficiency, Gtp Cyclohydrolase I Deficiency, Hyperinsulinism-Hyperammonemia Syndrome, Primary Hyperoxaluria Type 2, 3-Hydroxyacyl-CoA Dehydrogenase Deficiency, Long-chain 3-hydroxyacyl-CoA Dehydrogenase Deficiency, Mitochondrial Trifunctional Protein Deficiency, Sickle Cell Disease, Beta-Thalassemia, Holocarboxylase Synthetase Deficiency, 3-Hydroxy-3-Methylglutaric Aciduria, Primary Hyperoxaluria Type 3, Hermansky-Pudlak Syndrome 1, Hermansky-Pudlak Syndrome 4, Apparent Mineralocorticoid Excess, HSDB, CBAS1, Mucopolysaccharidosis Type 2, Mucopolysaccharidosis Type 1, Severe Combined Immunodeficiency, X Linked, Severe Combined Immunodeficiency Due to IL-7Ralpha Deficiency, Diabetes Mellitus, Permanent Neonatal, Isovaleric Acidemia, Severe Combined Immunodeficiency T-Cell Negative B-Cell Positive Due to Janus Kinase-3 Deficiency (Disorder), Jervell and Lange-Nielsen Syndrome 2, Hyperinsulinemic Hypoglycemia, Familial, 2, Diabetes Mellitus, Permanent Neonatal, With Neurologic Features, Jervell and Lange-Nielsen Syndrome 1, Lysosomal Acid Lipase Deficiency, CblF, 3-Methylcrotonyl CoA Carboxylase 1 Deficiency, 3-Methylcrotonyl CoA Carboxylase 2 Deficiency, Waardenburg Syndrome Type 2A, Methylmalonic Aciduria cblA Type, Methylmalonic Aciduria cblB Type, Methylmalonic Aciduria and Homocystinuria Type cblC, MAHCD, Methylmalonic Aciduria Due to Methylmalonyl-CoA Mutase Deficiency, Congenital Disorder of Glycosylation Type 1B, Mthfr Deficiency, Methylcobalamin Deficiency Type Cbl G (Disorder), Methylcobalamin Deficiency Type cblE, Usher Syndrome, Type 1B, N-acetylglutamate Synthase Deficiency, Ornithine Transcarbamylase Deficiency, Phenylketonurias, Waardenburg Syndrome Type 1, Congenital Hypothyroidism, Propionic Acidemia, Usher Syndrome, Type 1F, Pancreatic Agenesis 1, Hereditary Hypophosphatemic Rickets, Glycogen Storage Disease IXB, Glycogen Storage Disease IXC, MOWS, Epilepsy, Early-Onset, Vitamin B6-Dependent, Pyridoxal Phosphate-Responsive Seizures, Pituitary Hormone Deficiency, Combined, 1, Ptsd, Dihydropteridine Reductase Deficiency, Severe Combined Immunodeficiency Due to RAG1 Deficiency, Severe Combined Immunodeficiency Due to RAG2 Deficiency, Retinoblastoma, Multiple Endocrine Neoplasia Type 2B, Pseudohypoaldosteronism, Type I, Liddle Syndrome, Biotin-Responsive Basal Ganglia Disease, SCD, DIAR1, GSD1C, Acrodermatitis Enteropathica, Thyroid Dyshormonogenesis 1, Riboflavin Transporter Deficiency, Waardenburg Syndrome, Type 2E, SRD, Congenital Lipoid Adrenal Hyperplasia Due to STAR Deficiency, Barth Syndrome, Adrenocorticotropic Hormone Deficiency, Transcobalamin II Deficiency, Thyroid Dyshormonogenesis 3, Segawa Syndrome, Autosomal Recessive, Autosomal Recessive Nonsyndromic Hearing Loss, Thyroid Dyshormonogenesis 2A, Congenital Isolated Thyroid Stimulating Hormone Deficiency, Hypothyroidism Due to TSH Receptor Mutations, Usher Syndrome Type 1C, Usher Syndrome Type 1G (Diagnosis), Von Willebrand Disease, Type 3, Combined Immunodeficiency Due to ZAP70 Deficiency, Adenine Phosphoribosyltransferase Deficiency, Metachromatic Leukodystrophy, Canavan Disease, Menkes Disease, Carbonic Anhydrase VA Deficiency, Developmental and Epileptic Encephalopathy 2, 17 Alpha-Hydroxylase Deficiency, Smith-Lemli-Opitz Syndrome, Krabbe Disease, Glutathione Synthetase Deficiency, Mucopolysaccharidosis Type 7, Rett Syndrome, Molybdenum Cofactor Deficiency, Type A, Niemann-Pick Disease, Type C1, Niemann-Pick Disease Type C2, Ornithine Aminotransferase Deficiency, 3-Phosphoglycerate Dehydrogenase Deficiency, Leber Congenital Amaurosis 2, Dravet Syndrome, Mucopolysaccharidosis Type 3 A, Ornithine Translocase Deficiency, Carnitine-acylcarnitine Translocase Deficiency, Glucose Transporter Type 1 Deficiency Syndrome, Creatine Transporter Deficiency, Niemann-Pick Disease Type A, Pitt Hopkins Syndrome, Tuberous Sclerosis 1, Tuberous Sclerosis 2, Ataxia With Isolated Vitamin E Deficiency, Angelman Syndrome, Prader-Willi Syndrome, Homocystinuria, Permanent Neonatal Diabetes Mellitus, Transient Neonatal Diabetes Mellitus, Factor VII Deficiency, Glycogen Storage Disease Type IXA1, Glycogen Storage Disease, Type IXA2, Glycogen Storage Disease IC, Glycogen Storage Disease Type IB, Central Hypoventilation Syndrome With or Without Hirschsprung Disease
Interventions
Confirmatory Testing
Diagnostic Test
Lead sponsor
RTI International
Other
Eligibility
1 Day to 31 Days
Enrollment
30,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2025
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 3, 2025 · Synced May 21, 2026, 5:34 PM EDT
Conditions
Fragile X Syndrome, FMR1 Premutation, Primary Ovairan Insufficiency, Premature Ovarian Failure, Premature Menopause
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years and older · Female only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 5, 2017 · Synced May 21, 2026, 5:34 PM EDT
Conditions
Fragile x Syndrome
Interventions
Ganaxolone, Placebo
Drug
Lead sponsor
Marinus Pharmaceuticals
Industry
Eligibility
6 Years to 17 Years
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Apr 9, 2023 · Synced May 21, 2026, 5:34 PM EDT
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 May 21, 2026, 5:34 PM EDT
Conditions
Fragile X Syndrome
Interventions
Speech discrimination
Other
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
24 Months to 4 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 9, 2025 · Synced May 21, 2026, 5:34 PM EDT
Conditions
Fragile X Syndrome
Interventions
arbaclofen
Drug
Lead sponsor
Seaside Therapeutics, Inc.
Industry
Eligibility
5 Years to 50 Years
Enrollment
357 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
23
States / cities
Phoenix, Arizona • Long Beach, California • Sacramento, California + 20 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2013 · Synced May 21, 2026, 5:34 PM EDT