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Showing 1–24 of 120 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Mucopolysaccharidosis (MPS) Clear all
Completed Phase 1Phase 2 Interventional

RGX-121 Gene Therapy in Children 5 Years of Age and Over With MPS II (Hunter Syndrome)

NCT04571970
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 27, 2025 · Synced Sep 28, 2026, 10:46 AM 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 11, 2023 · Synced Sep 28, 2026, 10:46 AM EDT
Recruiting No phase listed Observational

Registry of Patients Diagnosed With Lysosomal Storage Diseases

NCT05619900
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Sep 28, 2026, 10:46 AM EDT
Completed Phase 1 Interventional Results available

Reduced Intensity Conditioning for Umbilical Cord Blood Transplant in Pediatric Patients With Non-Malignant Disorders

NCT00744692
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 12, 2014 · Synced Sep 28, 2026, 10:46 AM EDT
Completed Phase 1Phase 2 Interventional Results available

A Study to Assess the Safety and Tolerability of SOBI003 in Pediatric MPS IIIA Patients

NCT03423186
View directory record Official record
Conditions
Sanfilippo Syndrome Type A (MPS IIIA)
Interventions
SOBI003
Drug
Lead sponsor
Swedish Orphan Biovitrum
Industry
Eligibility
12 Months to 72 Months
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
2
States / cities
Oakland, California • Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 18, 2021 · Synced Sep 28, 2026, 10:46 AM 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 7, 2014 · Synced Sep 28, 2026, 10:46 AM 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 16, 2021 · Synced Sep 28, 2026, 10:46 AM EDT
Active, not recruiting Phase 3 Interventional

RGX-121-3102 Gene Therapy in Participants With MPS II (Hunter Syndrome)

NCT07236606
View directory record Official record
Conditions
MPS II, Hunter Syndrome (MPS II)
Interventions
RGX-121-3102
Genetic
Lead sponsor
REGENXBIO Inc.
Industry
Eligibility
4 Months to 5 Years · Male only
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Sep 28, 2026, 10:46 AM 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 21, 2024 · Synced Sep 28, 2026, 10:46 AM EDT
Active, not recruiting Phase 1 Interventional

Phase 1 Study of GC1130A in Patients With Sanfilippo Syndrome Type A (MPS IIIA)

NCT06567769
View directory record Official record
Conditions
Sanfilippo Syndrome Type A
Interventions
GC1130A
Drug
Lead sponsor
GC Biopharma Corp
Industry
Eligibility
12 Months to 18 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
2
States / cities
Oakland, California • Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 7, 2026 · Synced Sep 28, 2026, 10:46 AM EDT
Approved For Marketing No phase listed Expanded access

BMN 110 US Expanded Access Program

NCT01858103
View directory record Official record
Conditions
Mucopolysaccharidosis IVA, Morquio A Syndrome, MPS IVA
Interventions
BMN 110
Drug
Lead sponsor
BioMarin Pharmaceutical
Industry
Eligibility
Not listed
U.S. locations
24
States / cities
Birmingham, Alabama • Little Rock, Arkansas • Oakland, California + 21 more
Source: ClinicalTrials.gov public record
Updated Apr 1, 2014 · Synced Sep 28, 2026, 10:46 AM EDT
Recruiting Phase 2Phase 3 Interventional

An Open Label Dose Escalation Study to Assess the Safety, Tolerability, and Pharmacologic Properties of High Dose Ambroxol Hydrochloride in Adult (≥ 18 Years of Age) Subjects With MPS III

NCT06614894
View directory record Official record
Conditions
Sanfilippo Syndrome, MPS3
Interventions
Ambroxol Hydrochloride 30 mg tablet - 9 mg/kg/day, Ambroxol Hydrochloride 30 mg tablet - 18 mg/kg/day, Ambroxol Hydrochloride 30 mg tablet - 27 mg/kg/day
Drug
Lead sponsor
Ozlem Goker-Alpan
Other
Eligibility
18 Years to 99 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Fairfax, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 19, 2025 · Synced Sep 28, 2026, 10:46 AM EDT
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 28, 2026, 10:46 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 28, 2026, 10:46 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 28, 2026, 10:46 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 28, 2026, 10:46 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 28, 2026, 10:46 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 28, 2026, 10:46 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 28, 2026, 10:46 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 28, 2026, 10:46 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 28, 2026, 10:46 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 28, 2026, 10:46 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 28, 2026, 10:46 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 28, 2026, 10:46 AM EDT