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ClinicalTrials.gov public records Last synced Oct 7, 2026, 11:34 AM EDT

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Showing 73–96 of 97 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Glycogen Storage Disease Type II (GSD-II) Clear all
Completed Phase 3 Interventional Results available

A Study Comparing ATB200/AT2221 With Alglucosidase Alfa/Placebo in Adult Subjects With Late-onset Pompe Disease

NCT03729362
View directory record Official record
Conditions
Pompe Disease (Late-onset)
Interventions
Cipaglucosidase Alfa, Miglustat, Alglucosidase Alfa, Placebo
Biological · Drug
Lead sponsor
Amicus Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
25
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Irvine, California + 21 more
Source: ClinicalTrials.gov public record
Updated Sep 11, 2025 · Synced Oct 7, 2026, 11:34 AM EDT
Approved For Marketing No phase listed Expanded access

Alglucosidase Alfa Temporary Access Program

NCT00520143
View directory record Official record
Conditions
Glycogen Storage Disease Type II (GSD-II), Pompe Disease (Late-Onset), Acid Maltase Deficiency Disease, Glycogenosis 2
Interventions
alglucosidase alfa (recombinant human acid alpha-glucosidase [rhGAA])
Biological
Lead sponsor
Genzyme, a Sanofi Company
Industry
Eligibility
18 Years and older
U.S. locations
74
States / cities
Sheffield, Alabama • Anchorage, Alaska • Phoenix, Arizona + 71 more
Source: ClinicalTrials.gov public record
Updated Feb 6, 2014 · Synced Oct 7, 2026, 11:34 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Dynamic Respiratory Muscle Function in Late-Onset Pompe Disease

NCT02354664
View directory record Official record
Conditions
Pompe Disease
Interventions
Thoracic MRI, Spirometry, Inspiratory Load Compensation, Maximal Inspiratory Pressure, Resting Breathing Pattern, Respiratory Muscle Endurance Test
Other
Lead sponsor
University of Florida
Other
Eligibility
20 Years to 65 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 24, 2024 · Synced Oct 7, 2026, 11:34 AM EDT
Completed No phase listed Observational

Investigating Pompe Prevalence in Neuromuscular Medicine Academic Practices

NCT02838368
View directory record Official record
Conditions
Pompe Disease
Interventions
Not listed
Lead sponsor
University of California, Irvine
Other
Eligibility
8 Years and older
Enrollment
921 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Feb 25, 2019 · Synced Oct 7, 2026, 11:34 AM EDT
Not listed No phase listed Observational

FLOWER: Following Longitudinal Outcomes With Epidemiology for Rare Diseases

NCT06539169
View directory record Official record
Conditions
Alpha-Thalassemia, Beta-Thalassemia, Amyloidosis, Amyotrophic Lateral Sclerosis, Creutzfeld-Jakob Disease, Cystic Fibrosis, Duchenne Muscular Dystrophy, Early-Onset Alzheimer Disease, Ehlers-Danlos Syndrome, Huntington Disease, Gaucher Disease, GM1 Gangliosidosis, Myasthenia Gravis, Pompe Disease, Sickle Cell Disease, Transthyretin Amyloid Cardiomyopathy, Rare Diseases
Interventions
Not listed
Lead sponsor
xCures
Industry
Eligibility
Not listed
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Los Altos, California
Source: ClinicalTrials.gov public record
Updated Nov 14, 2024 · Synced Oct 7, 2026, 11:34 AM EDT
Terminated Phase 3 Interventional Results available

BMN 701 Phase 3 in rhGAA Exposed Subjects With Late Onset Pompe Disease (INSPIRE Study)

NCT01924845
View directory record Official record
Conditions
Late-onset Pompe Disease
Interventions
BMN 701
Drug
Lead sponsor
BioMarin Pharmaceutical
Industry
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
8
States / cities
Phoenix, Arizona • Orange, California • Gainesville, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Jun 14, 2018 · Synced Oct 7, 2026, 11:34 AM EDT
Completed Phase 4 Interventional Results available

Exploratory Muscle Biopsy Assessment Study in Patients With Late-Onset Pompe Disease Treated With Alglucosidase Alfa

NCT01288027
View directory record Official record
Conditions
Pompe Disease (Late-Onset), Glycogen Storage Disease Type II (GSD II), Glycogenesis 2 Acid Maltase Deficiency
Interventions
Alglucosidase Alfa
Biological
Lead sponsor
Genzyme, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
9
States / cities
Orange, California • Gainesville, Florida • Kansas City, Kansas + 6 more
Source: ClinicalTrials.gov public record
Updated Dec 19, 2014 · Synced Oct 7, 2026, 11:34 AM EDT
Completed No phase listed Observational

The Effects of Respiratory Muscle Strength Training (RMST) on Inspiratory and Expiratory Muscle Strength in Adults and Children With Pompe Disease

NCT01701154
View directory record Official record
Conditions
Pompe Disease
Interventions
respiratory muscle strength training
Other
Lead sponsor
Duke University
Other
Eligibility
3 Years to 99 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 30, 2023 · Synced Oct 7, 2026, 11:34 AM EDT
Not listed No phase listed Observational

Clinical Specimen Collection From Pompe Disease Patients

NCT04476550
View directory record Official record
Conditions
Pompe Disease
Interventions
Filgrastim
Drug
Lead sponsor
Serhat Gumrukcu, MD PhD
Other
Eligibility
3 Years to 30 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Toluca Lake, California
Source: ClinicalTrials.gov public record
Updated May 19, 2022 · Synced Oct 7, 2026, 11:34 AM EDT
Completed Phase 4 Interventional Results available

An Exploratory Study of the Safety and Efficacy of Prophylactic Immunomodulatory Treatment in Myozyme-naive Cross-Reacting Immunologic Material (CRIM[-]) Patients With Infantile-Onset Pompe Disease

NCT00701129
View directory record Official record
Conditions
Pompe Disease, Glycogen Storage Disease Type II
Interventions
Alglucosidase Alfa, Methotrexate, Rituximab
Biological · Drug
Lead sponsor
Genzyme, a Sanofi Company
Industry
Eligibility
Not listed
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
2
States / cities
Louisville, Kentucky • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 13, 2014 · Synced Oct 7, 2026, 11:34 AM EDT
Active, not recruiting Phase 3 Interventional

ZIP Study-OL Study of Safety, PK, Efficacy, PD, Immunogenicity of ATB200/AT2221 in Pediatrics Aged 0 to < 18 y.o. w/LOPD

NCT03911505
View directory record Official record
Conditions
Pompe Disease (Late-onset)
Interventions
Cipaglucosidase Alfa, Miglustat
Biological · Drug
Lead sponsor
Amicus Therapeutics
Industry
Eligibility
0 Years to 17 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
9
States / cities
Gainesville, Florida • Jacksonville, Florida • Atlanta, Georgia + 6 more
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Oct 7, 2026, 11:34 AM EDT
Completed Phase 4 Interventional Results available

Late-Onset Treatment Study Extension Protocol

NCT00455195
View directory record Official record
Conditions
Pompe Disease (Late-Onset), Glycogen Storage Disease Type II (GSD-II), Glycogenesis Type II, Acid Maltase Deficiency (AMD)
Interventions
alglucosidase alfa
Biological
Lead sponsor
Genzyme, a Sanofi Company
Industry
Eligibility
8 Years and older
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
26
States / cities
Anchorage, Alaska • Phoenix, Arizona • Beverly Hills, California + 23 more
Source: ClinicalTrials.gov public record
Updated Mar 7, 2014 · Synced Oct 7, 2026, 11:34 AM EDT
Completed Phase 1Phase 2 Interventional

Prophylactic Ranibizumab for Exudative Age-related Macular Degeneration

NCT02140151
View directory record Official record
Conditions
Age-related Macular Degeneration
Interventions
Ranibizumab 0.5mg
Drug
Lead sponsor
Southern California Desert Retina Consultants, MC
Other
Eligibility
50 Years and older
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
4
States / cities
Mountain View, California • Palm Desert, California • Baltimore, Maryland + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 25, 2022 · Synced Oct 7, 2026, 11:34 AM EDT
Recruiting No phase listed Observational

Pompe Disease Registry Protocol

NCT00231400
View directory record Official record
Conditions
Glycogen Storage Disease Type II, Pompe Disease
Interventions
Not listed
Lead sponsor
Genzyme, a Sanofi Company
Industry
Eligibility
Not listed
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2034
U.S. locations
92
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 70 more
Source: ClinicalTrials.gov public record
Updated Jun 23, 2026 · Synced Oct 7, 2026, 11:34 AM EDT
Terminated Early Phase 1 Interventional

A Pilot Study of Pyridostigmine in Pompe Disease

NCT02357225
View directory record Official record
Conditions
Pompe Disease
Interventions
Pyridostigmine Bromide
Drug
Lead sponsor
University of Florida
Other
Eligibility
8 Years to 60 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated May 15, 2018 · Synced Oct 7, 2026, 11:34 AM EDT
Completed No phase listed Observational Results available

Response to Diaphragmatic Pacing in Subjects With Pompe Disease

NCT02354651
View directory record Official record
Conditions
Pompe Disease
Interventions
Diaphragm conditioning via phrenic nerve stimulation
Other
Lead sponsor
University of Florida
Other
Eligibility
2 Years to 65 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2023
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 1, 2023 · Synced Oct 7, 2026, 11:34 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Genetic and Family Studies of Inherited Muscle Diseases

NCT00001331
View directory record Official record
Conditions
Dermatomyositis, Glycogen Storage Disease Type II, Glycogen Storage Disease Type VII, Myositis, Polymyositis
Interventions
Not listed
Lead sponsor
National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
NIH
Eligibility
Not listed
Healthy volunteers
Accepts healthy volunteers
Timeline
1993 – 2002
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 5, 2008 · Synced Oct 7, 2026, 11:34 AM EDT
Completed Phase 1Phase 2 Interventional

Scotoma Reduction in AMD Patients Treated With Ranibizumab

NCT00467935
View directory record Official record
Conditions
Macular Degeneration
Interventions
intravitreal injection Lucentis (ranibizumab)
Drug
Lead sponsor
Retina Research Foundation
Other
Eligibility
50 Years to 90 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
1
States / cities
Slingerlands, New York
Source: ClinicalTrials.gov public record
Updated Jul 29, 2011 · Synced Oct 7, 2026, 11:34 AM EDT
Terminated Phase 1Phase 2 Interventional

VAL-1221 Delivered Intravenously in Ambulatory and Ventilator-free Participants With Late-Onset Pompe Disease

NCT02898753
View directory record Official record
Conditions
Pompe Disease
Interventions
VAL-1221, RhGAA
Drug
Lead sponsor
Valerion Therapeutics, LLC
Industry
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
2
States / cities
Orange, California • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 2, 2020 · Synced Oct 7, 2026, 11:34 AM EDT
Terminated Phase 4 Interventional Results available

Immune Tolerance Induction Study

NCT00701701
View directory record Official record
Conditions
Pompe Disease, Glycogen Storage Disease Type II (GSD-II), Glycogenesis 2 Acid Maltase Deficiency
Interventions
Myozyme® (alglucosidase alfa)
Biological
Lead sponsor
Genzyme, a Sanofi Company
Industry
Eligibility
1 Month and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2020
U.S. locations
4
States / cities
Louisville, Kentucky • Durham, North Carolina • Salt Lake City, Utah + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 7, 2022 · Synced Oct 7, 2026, 11:34 AM EDT
Completed Phase 3 Interventional Results available

A Study to Assess the Long-term Safety and Efficacy of ATB200/AT2221 in Adult Subjects With Late-Onset Pompe Disease (LOPD)

NCT04138277
View directory record Official record
Conditions
Pompe Disease (Late-onset)
Interventions
AT2221, ATB200
Drug · Biological
Lead sponsor
Amicus Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
18
States / cities
Little Rock, Arkansas • Irvine, California • Gainesville, Florida + 14 more
Source: ClinicalTrials.gov public record
Updated Mar 5, 2026 · Synced Oct 7, 2026, 11:34 AM 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 17, 2026 · Synced Oct 7, 2026, 11:34 AM EDT
Completed Phase 2 Interventional Results available

Avalglucosidase Alfa Extension Study

NCT02032524
View directory record Official record
Conditions
Glycogen Storage Disease Type II Pompe Disease
Interventions
Avalglucosidase Alfa
Drug
Lead sponsor
Genzyme, a Sanofi Company
Industry
Eligibility
Not listed
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2022
U.S. locations
8
States / cities
Phoenix, Arizona • Jacksonville, Florida • Kansas City, Kansas + 5 more
Source: ClinicalTrials.gov public record
Updated Mar 1, 2024 · Synced Oct 7, 2026, 11:34 AM EDT
Completed Not applicable Interventional

Expanded Access Use of Myozyme (Alglucosidase Alfa) in Patients With Late-onset Pompe Disease

NCT00074932
View directory record Official record
Conditions
Glycogen Storage Disease Type II, Glycogenosis 2
Interventions
Myozyme
Biological
Lead sponsor
Genzyme, a Sanofi Company
Industry
Eligibility
Not listed
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
8
States / cities
Aurora, Colorado • Wichita, Kansas • Cambridge, Massachusetts + 5 more
Source: ClinicalTrials.gov public record
Updated Feb 6, 2014 · Synced Oct 7, 2026, 11:34 AM EDT