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ClinicalTrials.gov public records Last synced Sep 26, 2026, 10:44 AM EDT

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Showing 1–24 of 246 matching trials from the live ClinicalTrials.gov search.
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Conditions
Rett Syndrome
Interventions
NNZ-2566, Placebo
Drug
Lead sponsor
Neuren Pharmaceuticals Limited
Industry
Eligibility
5 Years to 15 Years · Female only
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
12
States / cities
Birmingham, Alabama • Oakland, California • San Diego, California + 9 more
Active, not recruiting No phase listed Observational

Long Term Follow-up on Menkes Disease Patients

NCT04337684
Conditions
Menkes Disease
Interventions
Long Term Follow-Up
Drug
Lead sponsor
Sentynl Therapeutics, Inc.
Industry
Eligibility
Not listed
Enrollment
50 participants
Timeline
2019 – 2026
U.S. locations
1
States / cities
Solana Beach, California
Conditions
X-Linked Adrenoleukodystrophy (X-ALD), Cerebral Adrenoleukodystrophy (CALD), Adrenoleukodystrophy (ALD)
Interventions
Allo-HSCT
Genetic
Lead sponsor
Genetix Biotherapeutics Inc.
Industry
Eligibility
Up to 17 Years · Male only
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
6
States / cities
Los Angeles, California • Palo Alto, California • Boston, Massachusetts + 3 more
Conditions
Fragile X Syndrome, FXS, Fra(X) Syndrome
Interventions
BPN14770, Placebo
Drug
Lead sponsor
Tetra Discovery Partners
Industry
Eligibility
18 Years to 45 Years · Male only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Chicago, Illinois
Withdrawn Phase 2Phase 3 Interventional

Trial of Kuvan in Lesch-Nyhan Disease

NCT00935753
Conditions
Behavioral Manifestations of Lesch-Nyhan Disease
Interventions
sapropterin
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
4 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
San Diego, California
Conditions
Fragile X Syndrome
Interventions
Placebo (for RO4917523 ascending doses), Placebo (for RO4917523 fixed dose), RO4917523
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years to 50 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
5
States / cities
Sacramento, California • Decatur, Georgia • Chicago, Illinois + 2 more
Conditions
ALD (Adrenoleukodystrophy), Adrenoleukodystrophy, Cerebral Adrenoleukodystrophy
Interventions
Medical Record Abstraction, Biospecimen Sample Collection
Other
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
Not listed
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2030
U.S. locations
1
States / cities
Minneapolis, Minnesota
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
Conditions
Mucopolysaccharidosis Type II (MPS II)
Interventions
RGX-121
Genetic
Lead sponsor
REGENXBIO Inc.
Industry
Eligibility
5 Years to 17 Years · Male only
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Oakland, California
Conditions
All Diagnosed Health Conditions, ADD/ADHD, Alopecia Areata, Ankylosing Spondylitis, Asthma, Atopic Dermatitis Eczema, Beta Thalassemia, Bipolar Disorder, Breast Cancer, Celiac Disease, Cervical Cancer, Chronic Inflammatory Demyelinating Polyneuropathy, Chronic Kidney Diseases, Chronic Obstructive Pulmonary Disease, Colon Cancer, Colorectal Cancer, Crohn's Disease, Cystic Fibrosis, Depression, Diabetes Mellitus, Duchenne Muscular Dystrophy, Endometriosis, Epilepsy, Facioscapulohumeral Muscular Dystrophy, G6PD Deficiency, General Anxiety Disorder, Hepatitis B, Hereditary Hemorrhagic Telangiectasia, HIV/AIDS, Human Papilloma Virus, Huntington's Disease, Idiopathic Thrombocytopenic Purpura, Insomnia, Kidney Cancer, Leukemia, Lung Cancer, Lupus Nephritis, Lymphoma, Melanoma, Multiple Myeloma, Multiple Sclerosis, Myositis, Myotonic Dystrophy, Ovarian Cancer, Pancreatic Cancer, Parkinson's Disease, Polycystic Kidney Diseases, Prostate Cancer, Psoriasis, Psoriatic Arthritis, Rosacea, Scleroderma, Sickle Cell Anemia, Sickle Cell Trait, Sjogren's Syndrome, Skin Cancer, Spinal Muscular Atrophy, Systemic Lupus Erythematosus, Thrombotic Thrombocytopenic Purpura, Trisomy 21, Ulcerative Colitis
Interventions
Not listed
Lead sponsor
Sanguine Biosciences
Industry
Eligibility
18 Years to 100 Years
Enrollment
17,667 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2024
U.S. locations
1
States / cities
Los Angeles, California
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
Conditions
Hurler Syndrome (MPS I), Hurler-Scheie Syndrome, Hunter Syndrome (MPS II), Sanfilippo Syndrome (MPS III), Krabbe Disease (Globoid Leukodystrophy), Metachromatic Leukodystrophy (MLD), Adrenoleukodystrophy (ALD and AMN), Sandhoff Disease, Tay Sachs Disease, Pelizaeus Merzbacher (PMD), Niemann-Pick Disease, Alpha-mannosidosis
Interventions
hematopoietic stem cell infusion
Biological
Lead sponsor
Talaris Therapeutics Inc.
Industry
Eligibility
Not listed
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Durham, North Carolina
Completed Not applicable Interventional Results available

Trial of Minocycline to Treat Children With Fragile X Syndrome

NCT01053156
Conditions
Fragile X Syndrome
Interventions
minocycline hydrochloride, Placebo
Drug
Lead sponsor
University of California, Davis
Other
Eligibility
42 Months to 16 Years
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Sacramento, California
Conditions
Mucopolysaccharidosis I, Mucopolysaccharidosis II, Mucopolysaccharidosis IV A, Mucopolysaccharidosis VI, Mucopolysaccharidosis VII, Pompe Disease Infantile-Onset, Neuronopathic Gaucher Disease, Wolman Disease
Interventions
There is no intervention
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
Up to 64 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2050
U.S. locations
1
States / cities
San Francisco, California
Conditions
Non Malignant Disorders, Immunodeficiencies, Congenital Marrow Failures, Hemoglobinopathies, Inborn Errors of Metabolism, Sickle Cell, Thalassemia, Lysosomal Storage Disease
Interventions
Unrelated Umbilical Cord Blood Transplant, Reduced Intensity Conditioning
Biological · Drug
Lead sponsor
Duke University
Other
Eligibility
Up to 21 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Fragile X Syndrome
Interventions
zatolmilast, Placebo
Drug
Lead sponsor
Tetra Discovery Partners
Industry
Eligibility
9 Years to 18 Years · Male only
Enrollment
163 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
17
States / cities
Irvine, California • Orange, California • Sacramento, California + 14 more
Recruiting No phase listed Observational Accepts healthy volunteers

Neurophysiologic Biomarkers in Rett Syndrome

NCT05932589
Conditions
Rett Syndrome, RTT, Rett Syndrome, Atypical
Interventions
EEG and Auditory and Visual Evoked Potentials (AEP and VEP), Clinical assessment
Other
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
1 Year to 18 Years · Female only
Enrollment
202 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2029
U.S. locations
6
States / cities
Los Angeles, California • Aurora, Colorado • Brookline, Massachusetts + 3 more
Conditions
Rett Syndrome
Interventions
Recombinant Human Insulin Growth Factor 1 (rhIGF-1), Placebo
Drug
Lead sponsor
Boston Children's Hospital
Other
Eligibility
2 Years to 10 Years · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Hunter Syndrome
Interventions
Neurobehavioral testing, Visual and auditory assessments
Behavioral · Other
Lead sponsor
Shire
Industry
Eligibility
32 Months to 18 Years · Male only
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Conditions
Angelman Syndrome, Fragile X Syndrome
Interventions
OV101
Drug
Lead sponsor
Ovid Therapeutics Inc.
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
Conditions
Rett Syndrome
Interventions
trofinetide
Drug
Lead sponsor
ACADIA Pharmaceuticals Inc.
Industry
Eligibility
5 Years to 21 Years · Female only
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
21
States / cities
Birmingham, Alabama • Phoenix, Arizona • La Jolla, California + 18 more
Conditions
Fragile X Syndrome
Interventions
STX209, Placebo
Drug
Lead sponsor
Seaside Therapeutics, Inc.
Industry
Eligibility
6 Years to 40 Years
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
12
States / cities
Phoenix, Arizona • Los Angeles, California • Sacramento, California + 9 more
Conditions
Menkes Disease, Occipital Horn Syndrome, Unexplained Copper Deficiency
Interventions
Copper Histidine
Drug
Lead sponsor
Cyprium Therapeutics, Inc.
Industry
Eligibility
Up to 80 Years
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2020
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Glycogen Storage Disease, GSD Type 0A, GSD Type 0B, GSD VII, Tarui Disease, GSD X, GSD XII, GSD XIII, GSD XV, PGBM2, PRKAG2, Danon Disease, Polyglucosan Body Myopathy Type 1, Polyglucosan Body Myopathy Type 2, RBCK1 Deficiency
Interventions
No intervention
Other
Lead sponsor
Duke University
Other
Eligibility
0 Years to 90 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2034
U.S. locations
1
States / cities
Durham, North Carolina