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ClinicalTrials.gov public records Last synced Oct 21, 2026, 1:00 PM EDT

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Showing 1–24 of 65 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: MPS II Clear all
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 8, 2026 · Synced Oct 21, 2026, 1:00 PM EDT
Completed No phase listed Observational Results available

Screening Study to Identify Pediatric Patients With Hunter Syndrome Who Demonstrate Evidence of Central Nervous System (CNS) Involvement and Who Are Currently Receiving Treatment With Elaprase®

NCT00937794
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 14, 2021 · Synced Oct 21, 2026, 1:00 PM EDT
Suspended Phase 1Phase 2 Interventional

RGX-111 Gene Therapy in Patients With MPS I

NCT03580083
View directory record Official record
Conditions
Mucopolysaccharidosis Type I (MPS I), Hurler Syndrome, Hurler-Scheie Syndrome
Interventions
RGX-111
Genetic
Lead sponsor
REGENXBIO Inc.
Industry
Eligibility
4 Months and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2029
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Oct 21, 2026, 1:00 PM EDT
Terminated No phase listed Observational

Study to Detect Unrecognized Mucopolysaccharidosis in Children Visiting Rheumatology, Hand or Skeletal Dysplasia Clinics

NCT01675674
View directory record Official record
Conditions
Mucopolysaccharidoses, Mucopolysaccharidosis I, Mucopolysaccharidosis II, Mucopolysaccharidosis IV, Mucopolysaccharidosis VI
Interventions
Dried blood spot test for MPS
Other
Lead sponsor
National MPS Society
Other
Eligibility
6 Months to 18 Years
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
2
States / cities
New Brunswick, New Jersey • New York, New York
Source: ClinicalTrials.gov public record
Updated May 24, 2013 · Synced Oct 21, 2026, 1:00 PM 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 9, 2026 · Synced Oct 21, 2026, 1:00 PM EDT
Completed Phase 1 Interventional

Unrelated Umbilical Cord Blood Transplantation Augmented With ALDHbr Umbilical Cord Blood Cells

NCT00692926
View directory record Official record
Conditions
MDS, Anemia, Aplastic, Inborn Errors of Metabolism, Congenital Marrow Failure, Congenital Immunodeficiency Syndrome
Interventions
ALDHbr Umbilical Cord Blood Cells
Biological
Lead sponsor
Joanne Kurtzberg, MD
Other
Eligibility
Up to 55 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2012
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 29, 2017 · Synced Oct 21, 2026, 1:00 PM EDT
Active, not recruiting Phase 2Phase 3 Interventional

CAMPSIITE™ RGX-121 Gene Therapy in Subjects With MPS II (Hunter Syndrome)

NCT03566043
View directory record Official record
Conditions
Mucopolysaccharidosis Type II (MPS II)
Interventions
RGX-121
Genetic
Lead sponsor
REGENXBIO Inc.
Industry
Eligibility
4 Months to 5 Years · Male only
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
4
States / cities
Oakland, California • New Brunswick, New Jersey • Philadelphia, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 28, 2025 · Synced Oct 21, 2026, 1:00 PM EDT
Withdrawn Phase 4 Interventional

A Study of ELAPRASE in Treatment-naïve Participants With Hunter Syndrome (Mucopolysaccharidosis [MPS] II)

NCT05494593
View directory record Official record
Conditions
Mucopolysaccharidosis (MPS), Hunter Syndrome
Interventions
ELAPRASE, Rituximab, Methotrexate, Intravenous Immunoglobulin (IVIG)
Drug
Lead sponsor
Takeda
Industry
Eligibility
Up to 6 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
8
States / cities
Phoenix, Arizona • Oakland, California • San Diego, California + 5 more
Source: ClinicalTrials.gov public record
Updated Dec 9, 2025 · Synced Oct 21, 2026, 1:00 PM 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 21, 2026 · Synced Oct 21, 2026, 1:00 PM EDT
Completed Phase 1Phase 2 Interventional Results available

A Safety and Dose Ranging Study of Idursulfase (Intrathecal) Administration Via an Intrathecal Drug Delivery Device in Pediatric Patients With Hunter Syndrome Who Have Central Nervous System Involvement and Are Receiving Treatment With Elaprase®

NCT00920647
View directory record Official record
Conditions
Hunter Syndrome
Interventions
Control, Idursulfase IT (1 mg), Idursulfase IT (10 mg), Idursulfase IT (30 mg)
Other · Drug
Lead sponsor
Shire
Industry
Eligibility
3 Years to 18 Years · Male only
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 28, 2021 · Synced Oct 21, 2026, 1:00 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 21, 2026, 1:00 PM 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 13, 2014 · Synced Oct 21, 2026, 1:00 PM 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 4, 2026 · Synced Oct 21, 2026, 1:00 PM 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 13, 2026 · Synced Oct 21, 2026, 1:00 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

Ascending Dose Study of Genome Editing by the Zinc Finger Nuclease (ZFN) Therapeutic SB-913 in Subjects With MPS II

NCT03041324
View directory record Official record
Conditions
Mucopolysaccharidosis II, MPS II
Interventions
SB-913
Biological
Lead sponsor
Sangamo Therapeutics
Industry
Eligibility
5 Years to 65 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
5
States / cities
Oakland, California • Chicago, Illinois • New York, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 25, 2022 · Synced Oct 21, 2026, 1:00 PM 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 11, 2019 · Synced Oct 21, 2026, 1:00 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 21, 2026, 1:00 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 21, 2026, 1:00 PM EDT
Completed No phase listed Observational Results available

An Observational Study Evaluating Anti-Idursulfase Serum Antibody Response in Hunter Syndrome Patients

NCT00882921
View directory record Official record
Conditions
Hunter Syndrome
Interventions
Idursulfase
Biological
Lead sponsor
Shire
Industry
Eligibility
5 Years and older · Male only
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
2
States / cities
Oakland, California • Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 8, 2021 · Synced Oct 21, 2026, 1:00 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 21, 2026, 1:00 PM EDT
Completed No phase listed Observational

Longitudinal Studies of Brain Structure and Function in MPS Disorders

NCT01870375
View directory record Official record
Conditions
Mucopolysaccharidosis Type I, Mucopolysaccharidosis Type II, Mucopolysaccharidosis Type VI, Mucopolysaccharidosis Type IV, Mucopolysaccharidosis Type VII
Interventions
Not listed
Lead sponsor
University of Minnesota
Other
Eligibility
6 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2019
U.S. locations
3
States / cities
Oakland, California • Minneapolis, Minnesota • New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 6, 2019 · Synced Oct 21, 2026, 1:00 PM EDT
Completed Phase 1Phase 2 Interventional

Phase I/II Study of Retroviral-Mediated Transfer of Iduronate-2-Sulfatase Gene Into Lymphocytes of Patients With Mucopolysaccharidosis II (Mild Hunter Syndrome)

NCT00004454
View directory record Official record
Conditions
Mucopolysaccharidosis II
Interventions
lymphocyte gene therapy
Genetic
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1996
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 21, 2026, 1:00 PM EDT
Recruiting Phase 1Phase 2 Interventional

A Phase I/II Trial of JR-446 in Mucopolysaccharidosis Type IIIB (MPS IIIB)

NCT07640984
View directory record Official record
Conditions
Mucopolysaccharidosis IIIB
Interventions
JR-446
Drug
Lead sponsor
JCR Pharmaceuticals Co., Ltd.
Industry
Eligibility
Up to 5 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
3
States / cities
Oakland, California • Pittsburgh, Pennsylvania • Fairfax, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 21, 2026 · Synced Oct 21, 2026, 1:00 PM EDT
Completed No phase listed Observational

Hunter Outcome Survey (HOS)

NCT03292887
View directory record Official record
Conditions
Hunter Syndrome
Interventions
Not listed
Lead sponsor
Shire
Industry
Eligibility
Not listed
Enrollment
1,443 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2023
U.S. locations
1
States / cities
Lexington, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 28, 2024 · Synced Oct 21, 2026, 1:00 PM EDT