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ClinicalTrials.gov public records Last synced Oct 2, 2026, 2:56 PM EDT

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Showing 25–46 of 46 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Mucopolysaccharidosis III Clear all
Enrolling by invitation Phase 4 Interventional

Safety, Tolerability and Efficacy of ICV AX 250 Treatment in MPS IIIB -OLE

NCT05492799
View directory record Official record
Conditions
MPS III B
Interventions
AX 250
Drug
Lead sponsor
Allievex Corporation
Industry
Eligibility
Not listed
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
2
States / cities
Oakland, California • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 9, 2023 · Synced Oct 2, 2026, 2:56 PM EDT
Completed Phase 1Phase 2 Interventional

Open-label Study of Anakinra in MPS III

NCT04018755
View directory record Official record
Conditions
Mucopolysaccharidosis III
Interventions
anakinra
Biological
Lead sponsor
Lynda E Polgreen
Other
Eligibility
4 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Torrance, California
Source: ClinicalTrials.gov public record
Updated Oct 22, 2024 · Synced Oct 2, 2026, 2:56 PM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

ScreenPlus: A Comprehensive, Flexible, Multi-disorder Newborn Screening Program

NCT05368038
View directory record Official record
Conditions
Acid Sphingomyelinase Deficiency, Ceroid Lipofuscinosis, Neuronal, 2, Cerebrotendinous Xanthomatosis, Fabry Disease, GM1 Gangliosidosis, Gaucher Disease, Lysosomal Acid Lipase Deficiency, Metachromatic Leukodystrophy, Mucopolysaccharidosis II, Mucopolysaccharidosis III-B, Mucopolysaccharidosis IV A, Mucopolysaccharidosis VI, Mucopolysaccharidosis VII, Niemann-Pick Disease, Type C
Interventions
Confirmatory Testing
Diagnostic Test
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
Up to 4 Weeks
Enrollment
100,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2029
U.S. locations
9
States / cities
Brooklyn, New York • Manhasset, New York • New York, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 28, 2026 · Synced Oct 2, 2026, 2:56 PM EDT
Completed No phase listed Observational

A Study of Mucopolysaccharidosis Type IIIB (MPS IIIB)

NCT02493998
View directory record Official record
Conditions
Mucopolysaccharidosis Type IIIB, Mucopolysaccharidosis Type 3 B, MPS III B, MPS 3 B
Interventions
Not listed
Lead sponsor
Allievex Corporation
Industry
Eligibility
1 Year to 10 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Mar 6, 2020 · Synced Oct 2, 2026, 2:56 PM EDT
Terminated Phase 1Phase 2 Interventional

Phase I/II Pilot Study of Mixed Chimerism to Treat Inherited Metabolic Disorders

NCT01372228
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 12, 2023 · Synced Oct 2, 2026, 2:56 PM EDT
Completed No phase listed Observational

A Retrospective Chart Review of Deceased Patients With Mucopolysaccharidosis Type IIIB

NCT02293382
View directory record Official record
Conditions
MPS IIIB (Sanfilippo Syndrome)
Interventions
Not listed
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
Not listed
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 3, 2017 · Synced Oct 2, 2026, 2:56 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Iduronate-2-sulfatase Enzyme Replacement Therapy in Mucopolysaccharidosis II (MPS II)

NCT00069641
View directory record Official record
Conditions
Mucopolysaccharidosis II
Interventions
iduronate-2-sulfatase enzyme replacement therapy, Placebo
Biological
Lead sponsor
Shire
Industry
Eligibility
5 Years to 25 Years · Male only
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
4
States / cities
Oakland, California • St Louis, Missouri • Chapel Hill, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 10, 2021 · Synced Oct 2, 2026, 2:56 PM EDT
Completed No phase listed Observational Results available

Carotid Structure and Function in MPS Syndromes: A Multicenter Study of the Lysosomal Disease Network

NCT01586871
View directory record Official record
Conditions
Mucopolysaccharidoses
Interventions
Not listed
Lead sponsor
University of Minnesota
Other
Eligibility
3 Years to 18 Years
Enrollment
1,147 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
2
States / cities
Orange, California • Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 24, 2021 · Synced Oct 2, 2026, 2:56 PM EDT
Terminated Phase 2Phase 3 Interventional Results available

Clinical Trial of Growth Hormone in MPS I, II, and VI

NCT00748969
View directory record Official record
Conditions
Mucopolysaccharidosis I, Mucopolysaccharidosis II, Mucopolysaccharidosis VI
Interventions
Somatropin (DNA origin)
Drug
Lead sponsor
Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center
Other
Eligibility
5 Years to 17 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 5, 2018 · Synced Oct 2, 2026, 2:56 PM EDT
Terminated No phase listed Observational

Natural History Study to Characterise the Course of Disease Progression in Participants With Mucopolysaccharidosis Type IIIB

NCT02293408
View directory record Official record
Conditions
MPS IIIB (Sanfilippo B Syndrome)
Interventions
Not listed
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
1 Year and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
2
States / cities
Minneapolis, Minnesota • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 13, 2018 · Synced Oct 2, 2026, 2:56 PM EDT
Completed No phase listed Observational

A Natural History Study of Sanfilippo Syndrome Type D

NCT05648851
View directory record Official record
Conditions
Sanfilippo Syndrome Type D
Interventions
Not listed
Lead sponsor
Phoenix Nest
Industry
Eligibility
12 Months and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 1, 2025 · Synced Oct 2, 2026, 2:56 PM EDT
Completed No phase listed Observational Results available

A Study of Patients With Sanfilippo Syndrome Type A (MPS IIIA)

NCT01047306
View directory record Official record
Conditions
Sanfilippo Syndrome Type A
Interventions
assessment
Other
Lead sponsor
Shire
Industry
Eligibility
1 Year and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 11, 2021 · Synced Oct 2, 2026, 2:56 PM EDT
Completed Phase 2 Interventional Results available

HSCT for High Risk Inherited Inborn Errors

NCT00383448
View directory record Official record
Conditions
Adrenoleukodystrophy, Metachromatic Leukodystrophy, Globoid Cell Leukodystrophy, Tay Sachs Disease, Sandhoffs Disease, Wolman Disease, I-Cell Disease, Sanfilippo Syndrome, GM1 Gangliosidosis
Interventions
Clofarabine, Total body Irradiation, Melphalan, Hematopoietic Stem Cell Transplantation, Alemtuzumab, mycophenylate mofetil, Cyclosporine A, Hydroxyurea
Drug · Procedure · Biological + 1 more
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
Up to 70 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2014
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 11, 2019 · Synced Oct 2, 2026, 2:56 PM EDT
Recruiting Phase 2Phase 3 Interventional

Study of Cannabidiol in Sanfilippo Syndrome

NCT06333041
View directory record Official record
Conditions
Sanfilippo Syndrome, Mucopolysaccharidosis III
Interventions
Epidiolex, Placebo
Drug
Lead sponsor
Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center
Other
Eligibility
4 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Torrance, California
Source: ClinicalTrials.gov public record
Updated Sep 15, 2026 · Synced Oct 2, 2026, 2:56 PM EDT
Completed No phase listed Observational

Natural History Study of Patients With Mucopolysaccharidosis Type IIIB (MPS IIIB, Sanfilippo Syndrome Type B)

NCT01509768
View directory record Official record
Conditions
Sanfilippo Syndrome Type B
Interventions
Not listed
Lead sponsor
Shire
Industry
Eligibility
1 Year to 10 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
2
States / cities
Oakland, California • Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 17, 2021 · Synced Oct 2, 2026, 2:56 PM EDT
Completed No phase listed Observational

A Natural History Study of Biomarkers and Clinical Outcomes in Mucopolysaccharidosis Type IIIA (MPS IIIA; Sanfilippo Syndrome)

NCT05523206
View directory record Official record
Conditions
Mucopolysaccharidosis III-A
Interventions
No intervention
Other
Lead sponsor
Sanguine Biosciences
Industry
Eligibility
4 Months to 13 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Woburn, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 30, 2025 · Synced Oct 2, 2026, 2:56 PM EDT
Recruiting No phase listed Observational

Longitudinal Study of Neurodegenerative Disorders

NCT03333200
View directory record Official record
Conditions
MLD, Krabbe Disease, ALD, MPS I, MPS II, MPS III, Vanishing White Matter Disease, GM3 Gangliosidosis, PKAN, Tay-Sachs Disease, NP Deficiency, Osteopetrosis, Alpha-Mannosidosis, Sandhoff Disease, Niemann-Pick Diseases, MPS IV, Gaucher Disease, GAN, GM1 Gangliosidoses, Morquio Disease, S-Adenosylhomocysteine Hydrolase Deficiency, Batten Disease, Pelizaeus-Merzbacher Disease, Leukodystrophy, Lysosomal Storage Diseases, Purine Nucleoside Phosphorylase Deficiency, Multiple Sulfatase Deficiency Disease
Interventions
Palliative Care, Hematopoetic Stem Cell Transplantation
Other · Biological
Lead sponsor
University of Pittsburgh
Other
Eligibility
Not listed
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2035
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 9, 2026 · Synced Oct 2, 2026, 2:56 PM EDT
Terminated Phase 3 Interventional

ALD-101 Adjuvant Therapy of Unrelated Umbilical Cord Blood Transfusion (UCBT) in Patients With Inherited Metabolic Diseases

NCT00654433
View directory record Official record
Conditions
Inherited Metabolic Diseases, Lysosomal Storage Disorders, Peroxisomal Storage Diseases, Inborn Errors of Metabolism, Mucopolysaccharidosis
Interventions
ALD-101
Biological
Lead sponsor
Aldagen
Industry
Eligibility
Up to 16 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
3
States / cities
Los Angeles, California • New York, New York • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 8, 2014 · Synced Oct 2, 2026, 2:56 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

Gene Transfer Study of ABO-102 in Patients With Middle and Advanced Phases of MPS IIIA Disease

NCT04088734
View directory record Official record
Conditions
MPS IIIA, Sanfilippo Syndrome, Sanfilippo A, Mucopolysaccharidosis III
Interventions
ABO-102
Drug
Lead sponsor
Ultragenyx Pharmaceutical Inc
Industry
Eligibility
2 Years to 18 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 25, 2023 · Synced Oct 2, 2026, 2:56 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Safety, Pharmacokinetics, and Pharmacodynamics/Efficacy of SBC-103 in Mucopolysaccharidosis III, Type B (MPS IIIB)

NCT02324049
View directory record Official record
Conditions
Mucopolysaccharidosis IIIB
Interventions
SBC-103
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
2 Years to 12 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
2
States / cities
Minneapolis, Minnesota • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 21, 2018 · Synced Oct 2, 2026, 2:56 PM EDT
Not listed Phase 2 Interventional

A Treatment Extension Study of Mucopolysaccharidosis Type IIIB

NCT03784287
View directory record Official record
Conditions
Mucopolysaccharidosis Type IIIB, MPS III B
Interventions
AX 250
Drug
Lead sponsor
Allievex Corporation
Industry
Eligibility
0 Years to 18 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
2
States / cities
Oakland, California • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 18, 2023 · Synced Oct 2, 2026, 2:56 PM EDT
Not yet recruiting Phase 1Phase 2 Interventional

Single Injection of rAAV9-CMV-hNAGLUop Gene for Patients With Mucopolysaccharidosis (MPS) IIIB

NCT07818759
View directory record Official record
Conditions
Sanfilippo Syndrome (MPS III)
Interventions
rAAV9-CMV-hNAGLUop
Biological
Lead sponsor
NeuroGT
Industry
Eligibility
6 Months and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2029
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Oct 2, 2026, 2:56 PM EDT