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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Mucopolysaccharidosis Type II (MPS II) Clear all
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 28, 2017 · Synced Jul 23, 2026, 12:57 PM 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 Jul 23, 2026, 12:57 PM EDT
Withdrawn No phase listed Observational

Mucopolysaccharidosis Type II Observational

NCT04591834
View directory record Official record
Conditions
Mucopolysaccharidosis II
Interventions
Observational
Other
Lead sponsor
REGENXBIO Inc.
Industry
Eligibility
1 Month to 8 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
2
States / cities
Oakland, California • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 9, 2022 · Synced Jul 23, 2026, 12:57 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Study of Intrathecal Idursulfase-IT Administered in Conjunction With Elaprase® in Pediatric Patients With Hunter Syndrome and Early Cognitive Impairment

NCT02055118
View directory record Official record
Conditions
Hunter Syndrome
Interventions
idursulfase-IT, No IT treatment
Biological · Other
Lead sponsor
Shire
Industry
Eligibility
Up to 18 Years · Male only
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
3
States / cities
Oakland, California • Chicago, Illinois • Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 10, 2021 · Synced Jul 23, 2026, 12:57 PM EDT
Recruiting Phase 2 Interventional

Reduced Intensity Conditioning for Non-Malignant Disorders Undergoing UCBT, BMT or PBSCT

NCT01962415
View directory record Official record
Conditions
Primary Immunodeficiency (PID), Congenital Bone Marrow Failure Syndromes, Inherited Metabolic Disorders (IMD), Hereditary Anemias, Inflammatory Conditions, Systemic Juvenile Idiopathic Arthritis (sJIA), Juvenile Rheumatoid Arthritis (JRA)
Interventions
Hydroxyurea, Alemtuzumab, Fludarabine, Melphalan, Thiotepa
Drug
Lead sponsor
Paul Szabolcs
Other
Eligibility
2 Months to 55 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2027
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 14, 2025 · Synced Jul 23, 2026, 12:57 PM EDT
Terminated No phase listed Observational

Mucopolysaccharidosis (MPS) I, II, and VI Screening in a High-Risk Population With Previous Surgical Repair or Presence of Inguinal and/or Umbilical Hernia in Combination With Pediatric ENT Surgery (The HATT Project)

NCT02095015
View directory record Official record
Conditions
Mucopolysaccharidosis (MPS)
Interventions
Not listed
Lead sponsor
Shire
Industry
Eligibility
Up to 7 Years · Male only
Enrollment
159 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
7
States / cities
Los Angeles, California • Jacksonville, Florida • Minneapolis, Minnesota + 4 more
Source: ClinicalTrials.gov public record
Updated Mar 16, 2021 · Synced Jul 23, 2026, 12:57 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Extension of Study TKT024 Evaluating Long-Term Safety and Clinical Outcomes in MPS II Patients Receiving Idursulfase

NCT00630747
View directory record Official record
Conditions
Hunter Syndrome, Mucopolysaccharidosis II (MPS II)
Interventions
Idursulfase
Biological
Lead sponsor
Shire
Industry
Eligibility
5 Years and older · Male only
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
16
States / cities
Phoenix, Arizona • Oakland, California • Denver, Colorado + 13 more
Source: ClinicalTrials.gov public record
Updated Jun 9, 2021 · Synced Jul 23, 2026, 12:57 PM EDT
Recruiting Phase 1 Interventional

PEARL (PrEnAtal Enzyme Replacement Therapy for Lysosomal Storage Disorders)

NCT04532047
View directory record Official record
Conditions
MPS I, MPS II, MPS IVA, MPS VI, Mps VII, Gaucher Disease, Type 2, Gaucher Disease, Type 3, Pompe Disease Infantile-Onset, Wolman Disease
Interventions
Aldurazyme (laronidase)
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2032
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 16, 2026 · Synced Jul 23, 2026, 12:57 PM EDT
Completed Phase 1Phase 2 Interventional Results available

An Extension Study of HGT-HIT-045 Evaluating Long-Term Safety and Clinical Outcomes of Idursulfase-IT in Conjunction With Elaprase in Pediatric Participants With Hunter Syndrome and Cognitive Impairment

NCT01506141
View directory record Official record
Conditions
Hunter Syndrome
Interventions
Idursulfase-IT, Elaprase
Drug
Lead sponsor
Takeda
Industry
Eligibility
3 Years to 18 Years · Male only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2024
U.S. locations
7
States / cities
Chicago, Illinois • Chapel Hill, North Carolina • Portland, Oregon + 4 more
Source: ClinicalTrials.gov public record
Updated Aug 5, 2025 · Synced Jul 23, 2026, 12:57 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 13, 2021 · Synced Jul 23, 2026, 12:57 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 27, 2021 · Synced Jul 23, 2026, 12:57 PM EDT
Completed Phase 2 Interventional Results available

Randomized, Controlled, Open-label, Multicenter, Safety and Efficacy Study of rhHNS Administration Via an IDDD in Pediatric Patients With Early Stage MPS IIIA Disease

NCT02060526
View directory record Official record
Conditions
Sanfilippo Syndrome
Interventions
Recombinant human heparan N-sulfatase [rhHNS]
Drug
Lead sponsor
Shire
Industry
Eligibility
12 Months to 48 Months
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
3
States / cities
Torrance, California • Minneapolis, Minnesota • Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 7, 2021 · Synced Jul 23, 2026, 12:57 PM EDT
Not listed No phase listed Observational

Long-term Follow-Up for RGX-121

NCT04597385
View directory record Official record
Conditions
Mucopolysaccharidosis II
Interventions
Long-term Follow-Up
Other
Lead sponsor
REGENXBIO Inc.
Industry
Eligibility
28 Months and older · Male only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 9, 2021 · Synced Jul 23, 2026, 12:57 PM 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 – 2026
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 7, 2025 · Synced Jul 23, 2026, 12:57 PM 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 Jul 23, 2026, 12:57 PM EDT
Recruiting No phase listed Observational

Data Collection Study of Patients With Non-Malignant Disorders Undergoing UCBT, BMT or PBSCT With RIC

NCT04528355
View directory record Official record
Conditions
Primary Immunodeficiency (PID), Congenital Bone Marrow Failure Syndromes, Inherited Metabolic Disorders (IMD), Hereditary Anemias, Inflammatory Conditions
Interventions
data collection
Drug
Lead sponsor
Paul Szabolcs
Other
Eligibility
2 Months to 60 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2028
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 12, 2026 · Synced Jul 23, 2026, 12:57 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 3, 2026 · Synced Jul 23, 2026, 12:57 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 12, 2014 · Synced Jul 23, 2026, 12:57 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 23, 2021 · Synced Jul 23, 2026, 12:57 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional

Study to Evaluate the Safety and Efficacy of Adalimumab in MPS I, II, and VI

NCT03153319
View directory record Official record
Conditions
Mucopolysaccharidosis I, Mucopolysaccharidosis II, Mucopolysaccharidosis VI
Interventions
Adalimumab Injection [Humira], Saline Solution for Injection
Drug
Lead sponsor
Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center
Other
Eligibility
5 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
1
States / cities
Torrance, California
Source: ClinicalTrials.gov public record
Updated Feb 1, 2026 · Synced Jul 23, 2026, 12:57 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 4, 2018 · Synced Jul 23, 2026, 12:57 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 24, 2022 · Synced Jul 23, 2026, 12:57 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 8, 2025 · Synced Jul 23, 2026, 12:57 PM EDT
Completed Phase 2 Interventional Results available

Allogeneic Bone Marrow Transplant for Inherited Metabolic Disorders

NCT01043640
View directory record Official record
Conditions
Mucopolysaccharidosis, Hurler Syndrome, Hunter Syndrome, Maroteaux-Lamy Syndrome, Sly Syndrome, Alpha Mannosidosis, Fucosidosis, Aspartylglucosaminuria, Adrenoleukodystrophy (ALD), Krabbe Disease, Metachromatic Leukodystrophy (MLD), Sphingolipidoses, Peroxisomal Disorders
Interventions
Campath-1H, Cyclophosphamide, Busulfan, Allogeneic stem cell transplantation, Cyclosporine A, Mycophenolate Mofetil
Drug · Procedure
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
Up to 21 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2017
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 4, 2018 · Synced Jul 23, 2026, 12:57 PM EDT