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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Mucopolysaccharidosis 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 8, 2023 · Synced Jul 23, 2026, 1:52 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

Ascending Dose Study of Genome Editing by the Zinc Finger Nuclease (ZFN) Therapeutic SB-318 in Subjects With MPS I

NCT02702115
View directory record Official record
Conditions
MPS I
Interventions
SB-318
Biological
Lead sponsor
Sangamo Therapeutics
Industry
Eligibility
5 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Jan 25, 2023 · Synced Jul 23, 2026, 1:52 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Study of Long Term Safety and Clinical Outcomes of Idursulfase IT and Elaprase Treatment in Pediatric Participants Who Have Completed Study HGT-HIT-094

NCT02412787
View directory record Official record
Conditions
Hunter Syndrome
Interventions
Idursulfase-IT, Elaprase
Drug
Lead sponsor
Shire
Industry
Eligibility
Up to 18 Years · Male only
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2024
U.S. locations
3
States / cities
Oakland, California • Chicago, Illinois • Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 18, 2025 · Synced Jul 23, 2026, 1:52 PM EDT
Recruiting Phase 2Phase 3 Interventional

Phase I/II/III Gene Transfer Clinical Trial of scAAV9.U1a.hSGSH

NCT02716246
View directory record Official record
Conditions
MPS IIIA, Sanfilippo Syndrome, Sanfilippo A, Mucopolysaccharidosis III
Interventions
UX111, Prophylactic Immunomodulatory (IM) Therapy, Optimized Prophylactic IM Therapy, Adjuvant IM Therapy
Biological · Drug
Lead sponsor
Ultragenyx Pharmaceutical Inc
Industry
Eligibility
Not listed
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2029
U.S. locations
2
States / cities
Columbus, Ohio • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Jul 23, 2026, 1:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Clinical Evaluation of Acuity 200 (Fluoroxyfocon A) RGP Contact Lens

NCT03971227
View directory record Official record
Conditions
Refractive Errors
Interventions
Acuity 200 (Fluoroxyfocon A) contact lens, Acuity 100 (Hexafocon A) contact lens
Device
Lead sponsor
Acuity Polymers, Inc.
Industry
Eligibility
18 Years and older
Enrollment
74 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
3
States / cities
Honolulu, Hawaii • Edina, Minnesota • Pittsford, New York
Source: ClinicalTrials.gov public record
Updated May 11, 2020 · Synced Jul 23, 2026, 1:52 PM EDT
Not listed No phase listed Observational

A Prospective Natural History Study of Mucopolysaccharidosis Type IIIB (MPS IIIB)

NCT03227042
View directory record Official record
Conditions
Mucopolysaccharidosis Type IIIB
Interventions
Not listed
Lead sponsor
Allievex Corporation
Industry
Eligibility
Up to 18 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Oct 25, 2022 · Synced Jul 23, 2026, 1:52 PM EDT
Withdrawn Not applicable Interventional

Effects of Growth Hormone in Chronically Ill Children

NCT00286689
View directory record Official record
Conditions
Hurler Syndrome, Cerebral Palsy, Juvenile Rheumatoid Arthritis, Crohn Disease, HIV Infections
Interventions
Growth Hormone, Whole body Protein turnover, DEXA scan
Drug · Procedure
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
3 Years to 17 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Dec 13, 2018 · Synced Jul 23, 2026, 1:52 PM EDT
Completed Phase 3 Interventional Results available

Study of Recombinant Human N-acetylgalactosamine 4-sulfatase (rhASB) in Patients With MPS VI

NCT00067470
View directory record Official record
Conditions
Mucopolysaccharidosis VI
Interventions
Placebo, N-acetylgalactosamine 4-sulfatase
Drug
Lead sponsor
BioMarin Pharmaceutical
Industry
Eligibility
7 Years and older
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
1
States / cities
Novato, California
Source: ClinicalTrials.gov public record
Updated Dec 23, 2009 · Synced Jul 23, 2026, 1:52 PM EDT
Recruiting No phase listed Observational

Mucopolysaccharidosis VII Disease Monitoring Program

NCT03604835
View directory record Official record
Conditions
Mucopolysaccharidosis VII, MPS VII, MPS 7, Sly Syndrome
Interventions
No Intervention
Other
Lead sponsor
Ultragenyx Pharmaceutical Inc
Industry
Eligibility
Not listed
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2032
U.S. locations
7
States / cities
Orange, California • Washington D.C., District of Columbia • Chicago, Illinois + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 10, 2026 · Synced Jul 23, 2026, 1:52 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 23, 2005 · Synced Jul 23, 2026, 1:52 PM 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 Jul 23, 2026, 1:52 PM 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 Jul 23, 2026, 1:52 PM EDT
Completed Phase 1 Interventional

Safety and Dose Ranging Study of Insulin Receptor MAb-IDUA Fusion Protein in Patients With MPS I

NCT02371226
View directory record Official record
Conditions
Mucopolysaccharidosis I
Interventions
AGT-181 (HIRMAb-IDUA)
Drug
Lead sponsor
ArmaGen, Inc
Industry
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
6
States / cities
Oakland, California • Orange, California • Decatur, Georgia + 3 more
Source: ClinicalTrials.gov public record
Updated Feb 20, 2023 · Synced Jul 23, 2026, 1:52 PM EDT
Terminated Phase 1 Interventional Results available

Safety Study of Gene Modified Donor T Cell Infusion After Stem Cell Transplant for Non-Malignant Diseases

NCT02231710
View directory record Official record
Conditions
Primary Immune Deficiency Disorders, Hemophagocytic Lymphohistiocytosis, Inherited Bone Marrow Failure Syndrome, Hemoglobinopathies, Metabolic Disorders
Interventions
BPX-501 and Rimiducid
Biological
Lead sponsor
Bellicum Pharmaceuticals
Industry
Eligibility
4 Months to 55 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Mar 24, 2024 · Synced Jul 23, 2026, 1:52 PM EDT
Completed Phase 1 Interventional

Intrathecal Enzyme Replacement for Hurler Syndrome

NCT00638547
View directory record Official record
Conditions
Hurler Syndrome
Interventions
IRT Laronidase
Drug
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
6 Months to 3 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2018
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 2, 2018 · Synced Jul 23, 2026, 1:52 PM EDT
Completed No phase listed Observational

Genetic Analysis of the Chiari I Malformation

NCT00004738
View directory record Official record
Conditions
Syringomyelia, Type I Arnold Chiari Malformation
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
1 Year and older
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2001
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Jul 23, 2026, 1:52 PM EDT
Terminated No phase listed Observational

Discovering New Biomarkers For Monitoring Disease Progression in Patients With Mucopolysaccharidosis IVA

NCT01733615
View directory record Official record
Conditions
Mucopolysaccharidosis Type IVA
Interventions
Not listed
Lead sponsor
Emory University
Other
Eligibility
Not listed
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Decatur, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 3, 2014 · Synced Jul 23, 2026, 1:52 PM EDT
Recruiting No phase listed Observational

Natural History Study of Participants With Sanfilippo Syndrome Type IIIC

NCT05825131
View directory record Official record
Conditions
Sanfilippo Syndrome Type C
Interventions
Not listed
Lead sponsor
Phoenix Nest
Industry
Eligibility
12 Months and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Jul 23, 2026, 1:52 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 10, 2019 · Synced Jul 23, 2026, 1:52 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety and Effect of L. Reuteri on Biomarkers of Inflammation in Healthy Infants With Colic

NCT01849991
View directory record Official record
Conditions
Gastrointestinal, Colic
Interventions
Lactobacillus reuteri, Placebo
Biological
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
3 Weeks to 3 Months
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 29, 2018 · Synced Jul 23, 2026, 1:52 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 5, 2020 · Synced Jul 23, 2026, 1:52 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 23, 2013 · Synced Jul 23, 2026, 1:52 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 11, 2026 · Synced Jul 23, 2026, 1:52 PM EDT
Terminated Phase 2 Interventional Results available

Continuation Study of Long-term Safety, Tolerability, Pharmacokinetics and Efficacy of Recifercept in Achondroplasia

NCT05116046
View directory record Official record
Conditions
Achondroplasia
Interventions
Recifercept
Biological
Lead sponsor
Pfizer
Industry
Eligibility
15 Months to 12 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
6
States / cities
Irvine, California • Long Beach, California • Torrance, California + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 7, 2024 · Synced Jul 23, 2026, 1:52 PM EDT