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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Mucopolysaccharidoses Clear all
Completed Phase 2 Interventional Results available

Stem Cell Transplantation for Hurler

NCT00176917
View directory record Official record
Conditions
Mucopolysaccharidosis I, Mucopolysaccharidosis VI, Mannosidosis, Mucolipidosis Type II (I-cell Disease)
Interventions
Stem Cell Transplant, Busulfan, Cyclophosphamide, ATG
Procedure · Drug
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
Not listed
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2010
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 27, 2017 · Synced Sep 27, 2026, 4:56 AM EDT
Active, not recruiting Phase 2Phase 3 Interventional

A Study to Determine the Efficacy and Safety of Tividenofusp Alfa (DNL310) vs Idursulfase in Pediatric and Young Adult Participants With Neuronopathic (nMPS II) or Non-Neuronopathic Mucopolysaccharidosis Type II (nnMPS II)

NCT05371613
View directory record Official record
Conditions
Mucopolysaccharidosis II
Interventions
tividenofusp alfa, idursulfase
Drug
Lead sponsor
Denali Therapeutics Inc.
Industry
Eligibility
2 Years to 25 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
8
States / cities
Oakland, California • Chicago, Illinois • Hackensack, New Jersey + 5 more
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Sep 27, 2026, 4:56 AM EDT
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 8, 2023 · Synced Sep 27, 2026, 4:56 AM 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 23, 2021 · Synced Sep 27, 2026, 4:56 AM EDT
Recruiting Phase 1 Interventional

ISP-001: Sleeping Beauty Transposon-Engineered B Cells for MPS I

NCT05682144
View directory record Official record
Conditions
Mucopolysaccharidosis IH/S, Mucopolysaccharidosis IS
Interventions
Autologous Plasmablasts (B cells)
Biological
Lead sponsor
Immusoft of CA, Inc.
Industry
Eligibility
10 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2044
U.S. locations
2
States / cities
Oakland, California • Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Sep 27, 2026, 4:56 AM EDT
Enrolling by invitation No phase listed Observational

Long Term Follow-Up for RGX-111

NCT06103487
View directory record Official record
Conditions
Mucopolysaccharidosis I
Interventions
No Intervention
Genetic
Lead sponsor
REGENXBIO Inc.
Industry
Eligibility
Not listed
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Sep 27, 2026, 4:56 AM EDT
Completed Not applicable Interventional Results available

Reduced-Intensity Hematopoietic Stem Cell Transplant for High Risk Lysosomal and Peroxisomal Disorders

NCT01626092
View directory record Official record
Conditions
Lysosomal Storage Disease, Peroxisomal Disorder
Interventions
Campath-1H, Clofarabine, Melphalan, Total Body Irradiation with Marrow Boosting, Hematopoietic stem cell transplantation, Cyclosporine A, Mycophenolate mofetil
Drug · Radiation · Biological
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
Up to 55 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 4, 2017 · Synced Sep 27, 2026, 4:56 AM EDT
Completed Phase 1Phase 2 Interventional

Unrelated Hematopoietic Stem Cell Transplantation(HSCT) for Genetic Diseases of Blood Cells

NCT00730314
View directory record Official record
Conditions
Sickle Cell Disease, Thalassemia, Anemia, Granuloma, Wiskott-Aldrich Syndrome, Chediak Higashi Syndrome, Osteopetrosis, Neutropenia, Thrombocytopenia, Hurler Disease, Niemann-Pick Disease, Fucosidosis
Interventions
Hematopoietic stem cell transplantation
Procedure
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
Up to 21 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 22, 2016 · Synced Sep 27, 2026, 4:56 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Pregnancy With Morquio Syndrome - What Are Patients' Perspectives and Has ERT Changed Them?

NCT03150069
View directory record Official record
Conditions
Morquio Disease, MPS - Mucopolysaccharidosis
Interventions
Interview
Other
Lead sponsor
Emory University
Other
Eligibility
15 Years to 100 Years · Female only
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Decatur, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 19, 2021 · Synced Sep 27, 2026, 4:56 AM EDT
Terminated Phase 1 Interventional

Intrathecal Enzyme Replacement Therapy for Spinal Cord Compression in Mucopolysaccharidosis (MPS) I

NCT00215527
View directory record Official record
Conditions
Mucopolysaccharidosis I, Lysosomal Storage Diseases, Spinal Cord Compression
Interventions
laronidase
Drug
Lead sponsor
Patricia I. Dickson, M.D.
Individual
Eligibility
8 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
1
States / cities
Torrance, California
Source: ClinicalTrials.gov public record
Updated Feb 20, 2013 · Synced Sep 27, 2026, 4:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effectiveness of a Butyrate Formulation and Butyrate + Polyphenol Formulation on Gut Health, Permeability and Associated Symptoms

NCT06419231
View directory record Official record
Conditions
Gut Health
Interventions
Butyrate Formulation, Butyrate + Polyphenol Formulation, Placebo
Dietary Supplement
Lead sponsor
Supplement Formulators, Inc.
Industry
Eligibility
21 Years to 70 Years
Enrollment
143 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Fort Lauderdale, Florida
Source: ClinicalTrials.gov public record
Updated Jan 12, 2026 · Synced Sep 27, 2026, 4:56 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Effects of Adalimumab in Mucopolysaccharidosis Types I, II and VI

NCT02437253
View directory record Official record
Conditions
Mucopolysaccharidosis Type I, Mucopolysaccharidosis Type II, Mucopolysaccharidosis Type VI
Interventions
Adalimumab, Placebo
Drug · Other
Lead sponsor
Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center
Other
Eligibility
5 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Torrance, California
Source: ClinicalTrials.gov public record
Updated Sep 14, 2017 · Synced Sep 27, 2026, 4:56 AM EDT
Recruiting Phase 1 Interventional

UCB Transplant of Inherited Metabolic Diseases With Administration of Intrathecal UCB Derived Oligodendrocyte-Like Cells

NCT02254863
View directory record Official record
Conditions
Adrenoleukodystrophy, Batten Disease, Mucopolysaccharidosis II, Leukodystrophy, Globoid Cell, Leukodystrophy, Metachromatic, Neimann Pick Disease, Pelizaeus-Merzbacher Disease, Sandhoff Disease, Tay-Sachs Disease, Brain Diseases, Metabolic, Inborn, Alpha-Mannosidosis, Sanfilippo Mucopolysaccharidoses
Interventions
DUOC-01
Biological
Lead sponsor
Joanne Kurtzberg, MD
Other
Eligibility
1 Week to 22 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2027
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Sep 27, 2026, 4:56 AM EDT
Completed Phase 2 Interventional Results available

Stem Cell Transplant w/Laronidase for Hurler

NCT00176891
View directory record Official record
Conditions
Mucopolysaccharidosis I, Hurler Syndrome
Interventions
Stem Cell Transplant, Laronidase ERT
Procedure · Drug
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
Up to 7 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2012
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 10, 2019 · Synced Sep 27, 2026, 4:56 AM EDT
Available No phase listed Expanded access

Post-trial Access Program of Idursulfase-IT Along With Elaprase in Children With Hunter Syndrome

NCT05795361
View directory record Official record
Conditions
Hunter Syndrome
Interventions
Idursulfase-IT
Drug
Lead sponsor
Takeda
Industry
Eligibility
Male only
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
17
States / cities
Phoenix, Arizona • Oakland, California • Wilmington, Delaware + 14 more
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced Sep 27, 2026, 4:56 AM 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 14, 2026 · Synced Sep 27, 2026, 4:56 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Study of Skeletal Disorders

NCT05031507
View directory record Official record
Conditions
Skeletal Disorders
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
2 Months to 100 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 19, 2026 · Synced Sep 27, 2026, 4:56 AM EDT
Completed Phase 1Phase 2 Interventional Results available

A Study to Assess the Safety, Tolerability, and Efficacy of Long-term SOBI003 Treatment in Pediatric MPS IIIA Patients

NCT03811028
View directory record Official record
Conditions
Sanfilippo Syndrome Type A (MPS IIIA)
Interventions
SOBI003
Drug
Lead sponsor
Swedish Orphan Biovitrum
Industry
Eligibility
18 Months to 78 Months
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
2
States / cities
Oakland, California • Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 24, 2022 · Synced Sep 27, 2026, 4:56 AM EDT
Completed No phase listed Observational

Lysosomal Storage Disease: Health, Development, and Functional Outcome Surveillance in Preschool Children

NCT01938014
View directory record Official record
Conditions
Mucopolysaccharidosis Type I (MPS I), Mucopolysaccharidosis Type II (MPS II), Mucopolysaccharidosis Type III (MPS III), Mucopolysaccharidosis Type VI (MPS VI), Krabbe Disease
Interventions
Not listed
Lead sponsor
University of Chicago
Other
Eligibility
1 Day to 18 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2016
U.S. locations
3
States / cities
Chicago, Illinois • Minneapolis, Minnesota • Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Oct 3, 2019 · Synced Sep 27, 2026, 4:56 AM EDT
Terminated Phase 2 Interventional Results available

An Extension Study to Determine Safety and Efficacy for Pediatric Patients With MPS Type IIIA Disease Who Participated in Study HGT-SAN-093.

NCT02350816
View directory record Official record
Conditions
Sanfilippo Syndrome, Mucopolysaccharidosis (MPS)
Interventions
HGT-1410
Drug
Lead sponsor
Shire
Industry
Eligibility
12 Months to 48 Months
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
2
States / cities
Minneapolis, Minnesota • Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 10, 2021 · Synced Sep 27, 2026, 4:56 AM EDT
Completed Phase 2 Interventional

Open-Label Study of Efficacy and Safety of Recombinant Human N-acetylgalactosamine 4-sulfatase in Patients With MPS VI

NCT00048711
View directory record Official record
Conditions
Mucopolysaccharidosis VI
Interventions
N-acetylgalactosamine 4-sulfatase
Drug
Lead sponsor
BioMarin Pharmaceutical
Industry
Eligibility
5 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2006
U.S. locations
1
States / cities
Novato, California
Source: ClinicalTrials.gov public record
Updated Aug 24, 2009 · Synced Sep 27, 2026, 4:56 AM EDT
Enrolling by invitation Phase 3 Interventional

An Extension Study of JR-141 to Evaluate the Long-term Safety and Efficacy in MPS II (Hunter Syndrome) Subjects

NCT05594992
View directory record Official record
Conditions
Mucopolysaccharidosis II
Interventions
JR-141
Drug
Lead sponsor
JCR Pharmaceuticals Co., Ltd.
Industry
Eligibility
Not listed
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
2
States / cities
Oakland, California • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 20, 2026 · Synced Sep 27, 2026, 4:56 AM EDT
Completed No phase listed Observational

Mucopolysaccharidosis Type II Natural History

NCT03529786
View directory record Official record
Conditions
Mucopolysaccharidosis II
Interventions
Not listed
Lead sponsor
REGENXBIO Inc.
Industry
Eligibility
Male only
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 25, 2022 · Synced Sep 27, 2026, 4:56 AM EDT
Recruiting No phase listed Observational

Non-invasive Functional Assessment and Pathogenesis of Morquio A

NCT05284006
View directory record Official record
Conditions
Mucopolysaccharidosis IV Type A, Morquio A Syndrome, MPS IVA
Interventions
Imaging, gait analysis, growth, joint test, hearing test, questionnaire, etc.
Diagnostic Test
Lead sponsor
Nemours Children's Clinic
Other
Eligibility
Not listed
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Wilmington, Delaware
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Sep 27, 2026, 4:56 AM EDT