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ClinicalTrials.gov public records Last synced Oct 23, 2026, 12:39 PM EDT

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Showing 1–24 of 29 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: MPS IIIA Clear all
Enrolling by invitation Phase 3 Interventional

Follow-up Study of AAV-Mediated Gene Transfer (UX111; Previously Known as ABO-102) for MPS Type IIIA

NCT04360265
View directory record Official record
Conditions
Mucopolysaccharidosis IIIA, MPS IIIA, Sanfilippo Syndrome, Sanfilippo A
Interventions
No Investigational Product, Adjuvant Immunomodulatory (IM) Therapy
Other · Drug
Lead sponsor
Ultragenyx Pharmaceutical Inc
Industry
Eligibility
Not listed
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 17, 2026 · Synced Oct 23, 2026, 12:39 PM EDT
Not listed 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 20, 2025 · Synced Oct 23, 2026, 12:39 PM EDT
Completed No phase listed Observational

Neurobehavioral Phenotypes in MPS III

NCT01873911
View directory record Official record
Conditions
Sanfilippo Syndrome Type A, Sanfilippo Syndrome Type B, Hurler Syndrome
Interventions
Not listed
Lead sponsor
University of Minnesota
Other
Eligibility
2 Years to 12 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 1, 2019 · Synced Oct 23, 2026, 12:39 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

Gene Transfer Study of ABO-102 in Patients With Middle and Advanced Phases of MPS IIIA Disease

NCT04088734
View directory record Official record
Conditions
MPS IIIA, Sanfilippo Syndrome, Sanfilippo A, Mucopolysaccharidosis III
Interventions
ABO-102
Drug
Lead sponsor
Ultragenyx Pharmaceutical Inc
Industry
Eligibility
2 Years to 18 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 25, 2023 · Synced Oct 23, 2026, 12:39 PM 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 25, 2022 · Synced Oct 23, 2026, 12:39 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 6, 2020 · Synced Oct 23, 2026, 12:39 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional

Study of DNL126 in Pediatric Participants With Mucopolysaccharidosis Type IIIA (Sanfilippo Syndrome Type A)

NCT06181136
View directory record Official record
Conditions
Mucopolysaccharidosis Type IIIA
Interventions
DNL126
Drug
Lead sponsor
Denali Therapeutics Inc.
Industry
Eligibility
0 Years to 18 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
4
States / cities
Oakland, California • Iowa City, Iowa • Chapel Hill, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Oct 23, 2026, 12:39 PM EDT
Completed Phase 2 Interventional Results available

HSCT for High Risk Inherited Inborn Errors

NCT00383448
View directory record Official record
Conditions
Adrenoleukodystrophy, Metachromatic Leukodystrophy, Globoid Cell Leukodystrophy, Tay Sachs Disease, Sandhoffs Disease, Wolman Disease, I-Cell Disease, Sanfilippo Syndrome, GM1 Gangliosidosis
Interventions
Clofarabine, Total body Irradiation, Melphalan, Hematopoietic Stem Cell Transplantation, Alemtuzumab, mycophenylate mofetil, Cyclosporine A, Hydroxyurea
Drug · Procedure · Biological + 1 more
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
Up to 70 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2014
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 11, 2019 · Synced Oct 23, 2026, 12:39 PM EDT
Not yet recruiting Phase 1Phase 2 Interventional

Single Injection of rAAV9-CMV-hNAGLUop Gene for Patients With Mucopolysaccharidosis (MPS) IIIB

NCT07818759
View directory record Official record
Conditions
Sanfilippo Syndrome (MPS III)
Interventions
rAAV9-CMV-hNAGLUop
Biological
Lead sponsor
NeuroGT
Industry
Eligibility
6 Months and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2029
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Oct 23, 2026, 12:39 PM EDT
Recruiting No phase listed Observational

Longitudinal Study of Neurodegenerative Disorders

NCT03333200
View directory record Official record
Conditions
MLD, Krabbe Disease, ALD, MPS I, MPS II, MPS III, Vanishing White Matter Disease, GM3 Gangliosidosis, PKAN, Tay-Sachs Disease, NP Deficiency, Osteopetrosis, Alpha-Mannosidosis, Sandhoff Disease, Niemann-Pick Diseases, MPS IV, Gaucher Disease, GAN, GM1 Gangliosidoses, Morquio Disease, S-Adenosylhomocysteine Hydrolase Deficiency, Batten Disease, Pelizaeus-Merzbacher Disease, Leukodystrophy, Lysosomal Storage Diseases, Purine Nucleoside Phosphorylase Deficiency, Multiple Sulfatase Deficiency Disease
Interventions
Palliative Care, Hematopoetic Stem Cell Transplantation
Other · Biological
Lead sponsor
University of Pittsburgh
Other
Eligibility
Not listed
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2035
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 9, 2026 · Synced Oct 23, 2026, 12:39 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 23, 2026, 12:39 PM 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 19, 2021 · Synced Oct 23, 2026, 12:39 PM 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 9, 2023 · Synced Oct 23, 2026, 12:39 PM EDT
Completed No phase listed Observational Results available

A Study of Patients With Sanfilippo Syndrome Type A (MPS IIIA)

NCT01047306
View directory record Official record
Conditions
Sanfilippo Syndrome Type A
Interventions
assessment
Other
Lead sponsor
Shire
Industry
Eligibility
1 Year and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 11, 2021 · Synced Oct 23, 2026, 12:39 PM EDT
Not yet recruiting No phase listed Observational

Natural History to Assess Disease in Patients With MPS IIIC

NCT07712003
View directory record Official record
Conditions
Sanfilippo Syndrome Type C, Mucopolysaccharidosis (MPS) IIIC
Interventions
Not listed
Lead sponsor
Phoenix Nest
Industry
Eligibility
1 Year to 25 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jul 17, 2026 · Synced Oct 23, 2026, 12:39 PM EDT
Completed Phase 1Phase 2 Interventional

A Treatment Study of Mucopolysaccharidosis Type IIIB

NCT02754076
View directory record Official record
Conditions
MPS III B, Mucopolysaccharidosis Type IIIB
Interventions
AX 250
Drug
Lead sponsor
Allievex Corporation
Industry
Eligibility
1 Year to 10 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Aug 6, 2020 · Synced Oct 23, 2026, 12:39 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 23, 2026, 12:39 PM 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 8, 2026 · Synced Oct 23, 2026, 12:39 PM 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 8, 2014 · Synced Oct 23, 2026, 12:39 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 Sep 22, 2026 · Synced Oct 23, 2026, 12:39 PM EDT
Completed No phase listed Observational

Natural History Studies of Mucopolysaccharidosis III

NCT02037880
View directory record Official record
Conditions
Mucopolysaccharidosis Type IIIA, Mucopolysaccharidosis Type IIIB
Interventions
Lumbar puncture, Magnetic Resonance Imaging (MRI) of the brain
Procedure · Device
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
2 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 16, 2015 · Synced Oct 23, 2026, 12:39 PM 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 22, 2024 · Synced Oct 23, 2026, 12:39 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 8, 2021 · Synced Oct 23, 2026, 12:39 PM 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 4, 2019 · Synced Oct 23, 2026, 12:39 PM EDT