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ClinicalTrials.gov public records Last synced Nov 3, 2026, 12:02 PM EST

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Showing 1–24 of 46 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Sanfilippo Syndrome Clear all
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 26, 2022 · Synced Nov 3, 2026, 12:02 PM EST
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 Nov 3, 2026, 12:02 PM EST
Not listed No phase listed Observational

The Natural History Study of Patients With Sanfilippo Disease(s) (MPS3)

NCT05705674
View directory record Official record
Conditions
Sanfilippo Syndrome, MPS3
Interventions
Not listed
Lead sponsor
Lysosomal and Rare Disorders Research and Treatment Center, Inc.
Other
Eligibility
5 Years to 99 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Fairfax, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 12, 2024 · Synced Nov 3, 2026, 12:02 PM EST
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 Nov 3, 2026, 12:02 PM EST
Completed No phase listed Observational

A Natural History Study of Biomarkers and Clinical Outcomes in Mucopolysaccharidosis Type IIIA (MPS IIIA; Sanfilippo Syndrome)

NCT05523206
View directory record Official record
Conditions
Mucopolysaccharidosis III-A
Interventions
No intervention
Other
Lead sponsor
Sanguine Biosciences
Industry
Eligibility
4 Months to 13 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Woburn, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 30, 2025 · Synced Nov 3, 2026, 12:02 PM EST
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 Nov 3, 2026, 12:02 PM EST
Available No phase listed Expanded access

Early Access Treatment With Tralesinidase Alfa in Mucopolysaccharidosis Type IIIB (Sanfilippo Syndrome Type B)

NCT07733856
View directory record Official record
Conditions
Mucopolysaccharidosis Type IIIB, MPS IIIB (Sanfilippo B Syndrome)
Interventions
Tralesinidase alfa (TA)
Drug
Lead sponsor
Spruce Biosciences
Industry
Eligibility
12 Months and older
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Nov 3, 2026, 12:02 PM EST
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 Nov 3, 2026, 12:02 PM EST
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 Nov 3, 2026, 12:02 PM EST
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 Nov 3, 2026, 12:02 PM EST
Terminated No phase listed Observational

A Long-term Follow-up Study of Patients With MPS IIIB Treated With ABO-101

NCT04655911
View directory record Official record
Conditions
Mucopolysaccharidosis III-B
Interventions
ABO-101
Biological
Lead sponsor
Abeona Therapeutics, Inc
Industry
Eligibility
Not listed
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 31, 2022 · Synced Nov 3, 2026, 12:02 PM EST
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 Nov 3, 2026, 12:02 PM EST
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 Nov 3, 2026, 12:02 PM EST
Not listed Phase 2Phase 3 Interventional

Study of AAVrh10-h.SGSH Gene Therapy in Patients With Mucopolysaccharidosis Type IIIA (MPS IIIA)

NCT03612869
View directory record Official record
Conditions
Mucopolysaccharidosis Type IIIA
Interventions
LYS-SAF302
Drug
Lead sponsor
LYSOGENE
Industry
Eligibility
6 Months and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
4
States / cities
Orange, California • Minneapolis, Minnesota • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 31, 2021 · Synced Nov 3, 2026, 12:02 PM EST
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 Nov 3, 2026, 12:02 PM EST
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 Nov 3, 2026, 12:02 PM EST
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 Nov 3, 2026, 12:02 PM EST
Completed No phase listed Observational

A Natural History Study of Sanfilippo Syndrome Type D

NCT05648851
View directory record Official record
Conditions
Sanfilippo Syndrome Type D
Interventions
Not listed
Lead sponsor
Phoenix Nest
Industry
Eligibility
12 Months and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 1, 2025 · Synced Nov 3, 2026, 12:02 PM EST
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 Nov 3, 2026, 12:02 PM EST
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 Nov 3, 2026, 12:02 PM EST
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 Nov 3, 2026, 12:02 PM EST
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 Nov 3, 2026, 12:02 PM EST
Terminated No phase listed Observational

Natural History Study to Characterise the Course of Disease Progression in Participants With Mucopolysaccharidosis Type IIIB

NCT02293408
View directory record Official record
Conditions
MPS IIIB (Sanfilippo B Syndrome)
Interventions
Not listed
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
1 Year and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
2
States / cities
Minneapolis, Minnesota • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 13, 2018 · Synced Nov 3, 2026, 12:02 PM EST
Completed No phase listed Observational

A Retrospective Chart Review of Deceased Patients With Mucopolysaccharidosis Type IIIB

NCT02293382
View directory record Official record
Conditions
MPS IIIB (Sanfilippo Syndrome)
Interventions
Not listed
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
Not listed
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 3, 2017 · Synced Nov 3, 2026, 12:02 PM EST