WORLDSymposium 2026 Preliminary Program* on Lysosomal Diseases

On Monday afternoon, WORLDSymposium presents an exciting program, Patient Voice 2026: Why Does Publish or Perish Apply to Patient Advocate Groups? The goal of this 1-hour CE-session is to identify why it is important to have industry, clinician and advocates involved; the importance of peer-reviewed published data; describe several different approaches to publishing; and illustrate examples of the results and impact of publications.

Following the Patient Voice session, the 4th Annual Speed Mentoring Event will offer a once-in-a-lifetime opportunity for attendees to meet with a wide variety of leaders and icons from the lysosomal and rare disease space. The evening concludes by celebrating 22 Years of WORLDSymposium, with the 4th Annual “Be the Catalyst” event and Catalyst Award presentation. Open to all WORLDSymposium participants, this event provides opportunities to participate in all of the fun scheduled group photos, reconnect with colleagues, make new connections, establish new relationships, welcome new attendees, and celebrate the achievements of past and present WORLDSymposium Award Recipients.

15:00The Patient Voice 2026
CE Session
Accredited provider: Medical Education Resources (MER)
Why Does Publish or Perish Apply to Patient Advocate Groups?
This activity is supported, in part, by educational grants from Amgen Inc., JCR Pharmaceuticals, and Ultragenyx Pharmaceutical Inc.
16:30Speed Mentoring EventScheduled Mentoring Appointments and Complimentary Headshots
16:30Industry Expert Theater
Sponsored by NS Pharma
Panel Discussion: Challenges and new opportunities in MPS II
17:45Be the Catalyst Event3rd Annual Catalyst Award presented to Professor Michael H. Gelb

After the presentation of the Innovation Award, the formal scientific sessions of WORLDSymposium 2026 officially began with presentations on laboratory research for lysosomal disease. Presentations during the Basic Science sessions are designed to improve our understanding or prediction of the phenomena involved in lysosomal pathology at a molecular, cellular, and animal model level in order to forwardly think about diagnosis and treatment of lysosomal conditions. These Basic Science sessions are always innovative and present the latest findings in the field. Download the WORLDSymposium 2026 program (PDF 200KB).

Basic Science

Co-Chairs: Lalitha Belur, Michael Przybilla, Dan Tagle

06:45Non-CE Satellite Symposium
Sponsored by Amicus Therapeutics
Transforming Ambiguity to Action for Personalized Fabry Care
06:45Non-CE Satellite Symposium
Sponsored by Takeda Pharmaceutical Company Limited
The maturation of evidence: what time teaches us about MPS II
08:00Chester B. Whitley
University of Minnesota
Minneapolis, MN, United States
Welcome and Announcements
Presentation of 2026 Roscoe O. Brady Award to Peter Marks
Peter Marks
Eli Lilly and Company
Washington DC, United States
Roscoe O. Brady Award Presentation
Accelerating the Global Pace of Progress for Rare Diseases
08:30Elizabeth Braunlin
University of Minnesota
Minneapolis, MN, United States
Creation and characterization of a large animal model of MPS IVA
Angela Gritti
Università Vita-Salute San Raffaele
Milano, Italy
Therapeutic benefits of hematopoietic stem cell gene therapy using optimized bicistronic lentiviral vectors in mouse models of GM2 gangliosidosis
Ewa A. Ziolkowska
Washington University St. Louis
St. Louis, MO, United States
Neuropathological alterations in TPP1-deficient cynomolgus macaques recapitulate key features of human CLN2 disease
Martyna Kasprzyk
University of Edinburgh
Edinburgh, United Kingdom
Production and characterisation of a functional recombinant human palmitoyl-protein thioesterase 1 in K. phaffiifor the treatment of CLN1
Moderated Q&ABraunlin, Gritti, Ziolkowska, Kasprzyk
09:30Shiny Nair
Yale University
New Haven, CT, United States
Spatially resolved mechanisms of liver carcinogenesis in Gaucher disease implicate lipid-driven immunosuppressive niches
Xiangli Zhao
Yale University
New Haven, CT, United States
A progranulin derivative blocks the C5a/C5aR1 signaling and mitigates pathology in Gaucher disease
Ying Sun
Cincinnati Children’s Hospital Medical Center
Cincinnati, OH, United States
Brain delivery of long-acting enzymes via SapC-DOPS nanocarrier for neuronopathic Gaucher disease
Pau Sarlé Vallés
Universitat Autònoma de Barcelona
Bellaterra, Spain
Next-generation enzyme replacement strategies for Gaucher disease

*2026 Young Investigator Award Recipient
Moderated Q&ANair, Zhao, Sun, Sarlé Vallés
10:30Break
11:00Matthias Dierick
University of Edinburgh
Edinburgh, United Kingdom
Engineering low immunogenic enzyme replacement therapies for Fabry disease

*2026 Young Investigator Award Recipient
Stephanie Tannous
University of Veterinary Medicine Hannover
Hannover, Germany
Lipid-dependent uptake of pegunigalsidase alfa across cell types: Implications for multiorgan treatment
David Dmitrivich Smerkous
University of Washington
Seattle, WA, United States
A novel highly sensitive machine learning model for automated measurement of kidney peritubular capillary endothelial cell globotriaosylceramide accumulation
Jessica Doxey
Duke University
Durham, NC, United States
The important role of CRIM analysis by western blot in the setting of novel GAA variants
Moderated Q&ADierick, Tannous, Smerkous, Doxey
12:00Break and Satellite Symposia
12:15Non-CE Satellite Symposium
Sponsored by Sanofi
Evolving Landscape of LDs in Era of Newborn Screening: Monitoring and Treatment Initiation
12:15Non-CE Satellite Symposium
Sponsored by Takeda Pharmaceutical Company Limited
Optimizing lifelong therapy in Fabry disease: navigating complexity and maximizing impact
13:30Maria Athanasopoulos
McMaster University
Hamilton, ON, Canada
Decoding NEU1 – a molecular switch linking sialidosis, hepatic receptor regulation, and atherosclerosis

*2026 Young Investigator Award Recipient
Mahin Hossain
National Human Genome Research Institute, National Institutes of Health
Bethesda, MD, United States
Glial cell dysfunction and neurodegeneration in a novel knock-in mouse model of lysosomal free sialic acid storage disorder

*2026 Young Investigator Award Recipient
Jordi Diaz-Manera
Newcastle University
Newcastle Upon Tyne, United Kingdom
Cartography of transcriptomic changes in muscle biopsies of patients with late-onset Pompe disease
Shih-Chang Hsueh
Columbia University
New York, NY, United States
Novel cyclodextrins enhance potency of neutralization and clearance of endogenous psychosine in cellular and in vivo models of Krabbe disease
Moderated Q&AAthanasopoulos, Hossain, Diaz-Manera, Hsueh
14:30Katia Alileche
Universite Paul Sabatier
Toulouse, France
Investigating microglial heterogeneity in a mouse model of mucopolysaccharidosis type IIIB
Richard Steet
Greenwood Genetic Center
Greenwood, SC, United States
MPS I missense variants that cause a gain of glycosylation effect are amenable to treatment with novel glycosylation inhibitors
Ibrar Siddique
University of California, Los Angeles
Los Angeles, CA, United States
Blood-based biomarkers for mucopolysaccharidosis type I and III
Keerthana Iyer
University of Pennsylvania
Philadelphia, PA, United States
Comparative proteomic analysis of saliva, urine, and serum in mucopolysaccharidosis type I patients
Moderated Q&AAlileche, Steet, Siddique, Iyer
15:30Basic Science Poster SessionExhibits Open
15:45Industry Expert Theater
Sponsored by Amicus Therapeutics
17:45Non-CE Satellite Symposium
Sponsored by Chiesi Global Rare Diseases
Closing the Loop: From Clinical Management to Patient Experience with Elfabrio® (pegunigalsidase alfa-ivxj)
17:45Non-CE Satellite Symposium
Sponsored by Azafaros B.V.
The value of conducting an 18-month placebo-controlled study in Rare Diseases: GM1, GM2 and NPC; the NAVIGATE experience

After the presentation of the 2026 Young Investigator Awards and the Patient Advocate Leader (PAL) awards, the entirety of the research presentations on Wednesday are dedicated to the Translational Research category. In 2026, many of the presentations will be dedicated to research topics in gene therapy, including innovations occurring in genetic therapeutic approaches in translation from laboratory to the clinic. Download the WORLDSymposium 2026 program (PDF 200KB).

Translational Research

Co-Chairs: Tierra Bobo, PJ Brooks, Francyne Kubaski

06:45Non-CE Satellite Symposium
Sponsored by Astellas Pharma Inc
From Diagnosis to Care: Transforming rare diseases with gene therapies and advanced technologies
06:45CE Satellite Symposium
Accredited provider: AffinityCE
Jointly Provided by: AffinityCE and Lysosomal & Rare Disorders Research & Treatment Center, Inc (LDRTC)
Shared Mechanisms and Clinical Implications of Secondary GSL Deposition in Lysosomal Disorders
08:00Chester B. Whitley
University of Minnesota
Minneapolis, MN, United States
Welcome and Announcements
Presentation of 2026 Patient Advocate Leader (PAL) Award to Bob Stevens and 2026 Young Investigator Awards Presentation
08:30Françoise Piguet
Paris Brain Institute
Paris, France
Novel intravenous AAV gene therapy for mucopolysaccharidosis type IIIA and IIIB in mouse and canine model of the pathology – towards clinical translation
Rafael A. Badell-Grau
University of California, San Diego
La Jolla, CA, United States
Hematopoietic stem cell gene therapy for mucopolysaccharidosis type IIIC
Sampurna Saikia
University of Delaware
Newark, DE, United States
The complementary strength of the AAV9 gene therapy in hematopoietic stem cells transplanted into MPS IVA mice

*2026 Young Investigator Award Recipient
Jillian Gallagher
University of Massachusetts
Worcester, MA, United States
Testing a dual AAV gene therapy vector construct to treat sialidosis and galactosialidosis using small and large animal models
Moderated Q&APiguet, Badell-Grau, Saikia, Gallagher
09:30Udayanga Wanninayake
Saint Louis University
St. Louis, MO, United States
Enhanced CIMPR binding and cellular uptake of HP-GALNS (M161): A next-generation enzyme replacement therapy for Morquio syndrome type A

*2026 Young Investigator Award Recipient
Jose Victor Alvarez Gonzalez
Instituto de Investigación Sanitaria de Santiago de Compostela
Santiago de Compostela, Spain
Advances in the administration of ERT (oral pathway) improving the biodistribution of enzymes

*2026 Young Investigator Award Recipient
Chia-Feng Yang
Taipei Veterans General Hospital
Taipei, Taiwan
Long-term outcomes of very early treated infantile-onset Pompe disease with the improvement after 24-month switching to avalglucosidase alfa: Real-world experiences based on Taiwan nationwide newborn screening program
Allan Feng
Stanford University
Stanford, CA, United States
Therapeutic efficacy of a novel glucocerebrosidase variant in a new preclinical model of neuronopathic Gaucher disease
Moderated Q&AWanninayake, Alvarez Gonzalez, Yang, Feng
10:30Break and Exhibits
11:00Shelly Goomber
Duke University
Durham, NC, United States
Functional profiling-based evaluation of GAA VUS in Pompe disease using a transient expression system upgraded for capacity and robustness
Xuntian Jiang
Washington University St. Louis
St. Louis, MO, United States
Diagnostic and therapeutic applications of the glycan biomarker H3N2b in GM1 gangliosidosis
Melissa Greco
Virginia Tech
Roanoke, VA, United States
Infantile Krabbe disease presenting with intermediate psychosine (2-10 nmol/L) values in dried bloodspots

*2026 Young Investigator Award Recipient
Troy Lund
University of Minnesota
Minneapolis, MN, United States
GAG endogenous non-reducing ends as a new biomarker in CSF and plasma for Hurler syndrome
Moderated Q&AGoomber, Jiang, Greco, Lund
12:00Break, Exhibits and Satellite Symposia
12:15CE Satellite Symposium
Accredited provider: Medical Education Resources (MER)
Jointly Provided by MER and Saterdalen & Associates LLC
Supported by an independent educational grant from Takeda Pharmaceuticals U.S.A., Inc.
Leveraging Imaging Strategies for Bone Disease in Gaucher Disease: A Case Study Deep Dive
12:15Non-CE Satellite Symposium
Sponsored by Amicus Therapeutics
Optimizing late-onset Pompe disease (LOPD) monitoring in an era of multiple treatment options
13:30Anna-Maria Wiesinger
Paracelsus Medical University Salzburg
Salzburg, Austria
A decision analysis framework for individualized immunomodulatory therapy in MPS: Early clinical insights
Chester B. Whitley
University of Minnesota
Minneapolis, MN, United States
Long-term outcome of Hurler syndrome following bone marrow transplantation
Ashwin Roy
University of Birmingham
Birmingham, United Kingdom
Early atrial remodeling: A driver of arrhythmia in Fabry disease
Salvatore Recupero
San Raffaele Scientific Institute
Milan, Italy
Gallbladder abnormalities in metachromatic leukodystrophy: Preliminary analysis in patients treated with atidarsagene autotemcel (autologous hematopoietic stem cell gene therapy) and untreated patients
Moderated Q&AWiesinger, Whitley, Roy, Recupero
14:30Tae Un Han
National Institutes of Health
Bethesda, MD, United States
Development of a novel systemic AAV gene therapy for neuronopathic Gaucher disease
Grace R. Kick
Washington University St. Louis
St. Louis, MO, United States
Efficacy of AAV-mediated gene therapy in a sheep model of CLN1 disease
Alex Liu Huang
Boston Children’s Hospital
Boston, MA, United States
Self-amplifying mRNA enhances transamniotic fetal mRNA delivery

*2026 Young Investigator Award Recipient
Surendra Raj Sharma
University of North Carolina Chapel Hill
Chapel Hill, NC, United States
Rapid transient antibody depletion using genetically engineered IgG-degrading enzyme allows efficient rAAV9 gene delivery in an α-AAV9-Abrabbit model
Moderated Q&AHan, Kick, Huang, Sharma
15:30Translational Research Poster SessionExhibit Hall
15:45Industry Expert Theater
Sponsored by Sanofi
17:45Non-CE Satellite Symposium
Sponsored by Sanofi
Biomarkers in Gaucher Disease: A Critical Dialogue on Patient Care Evolution Through Clinical Cases
17:45Non-CE Satellite Symposium
Sponsored by Chiesi Global Rare Diseases
Rational Design Meets Real-World Relevance: Pegunigalsidase Alfa in the Treatment of Fabry Disease

Thursday begins with a special Catalyst Award keynote address from Dr. Michael H. Gelb: Biochemical newborn screening for all treatable lysosomal diseases.” Following Dr. Gelb’s address, the presentations shift to Clinical Applications, including abstracts on Clinical Trials for Registration. Abstracts presented in this category had a US FDA Investigational New Drug (IND) application for a phase I-III clinical trial or hold an EMA Investigational Medicinal Product Dossier (IMPD) or equivalent. Clinical Outcomes abstracts will also be presented. Download the WORLDSymposium 2026 program (PDF 200KB).

Clinical Applications

Co-Chairs: Rebecca Ahrens-Nicklas, Roberto Giugliani, Filippo Vairo

06:45CE Satellite Symposium
Accredited provider: AKH Inc., Advancing Knowledge in Healthcare
Jointly provided by AKH Inc., Advancing Knowledge in Healthcare and Catalyst Medical Education, LLC
Supported by an independent educational grant from Amicus Therapeutics, Inc.
Homing in on Holistic Management of Late Onset Pompe Disease: Contemporary Insights on Disease Monitoring, Treatment Selection and Switching, and Shared Decision-Making
06:45Non-CE Satellite Symposium
Sponsored by Denali Therapeutics
Transforming Patient Care in MPS II
08:00Chester B. Whitley
University of Minnesota
Minneapolis, MN, United States
Welcome and Keynote Speaker Introduction
Michael H. Gelb
University of Washington
Seattle, WA, United States
Special Catalyst Award Keynote Address:
Biochemical newborn screening for all treatable lysosomal diseases
08:30John A. Bernat
University of Iowa Health Care
Iowa City, IA, United States
Isaralgagene civaparvovec (ST-920) shows positive mean annualized eGFR slope in adults with Fabry disease: Topline results from the registrational phase 1/2 STAAR gene therapy study and long-term follow-up study
Michael L. West
Dalhousie University
Halifax, NS, Canada
Comparison of outcomes of the FACTS lentivirus mediated gene therapy trial in Fabry disease with controls from the Canadian Fabry Disease Initiative Registry (CFDR)
Dominique P. Germain
University of Versailles – University Paris Saclay
Montigny, France
Hidden double hits in Fabry disease: A critical confounder in clinical trials
Peter Nordbeck
University Hospital Würzburg
Würzburg, Germany
Real-world effectiveness of migalastat versus enzyme replacement therapy in previously treatment-naïve patients with Fabry disease: Analyses of matched populations from the global followME Pathfinders registry
Moderated Q&ABernat, West, Germain, Nordbeck
09:30Ida Vanessa D. Schwartz
Federal University of Rio Grande do Sul
Porto Alegre, Brazil
Two-year follow up of FLT201 AAV gene therapy in adults with type 1 Gaucher disease: Results from GALILEO-1 and GALILEO-2
Deepa Rajan
University of Pittsburgh
Pittsburgh, PA, United States
Interim results from the PROVIDE Clinical Trial – A phase I/II Study of LY3884961(PR001) an AAV9-based gene therapy for type 2 Gaucher disease
Aimee Donald
University of Manchester
Manchester, United Kingdom
Lentiviral stem cell gene therapy of neuronopathic Gaucher disease (GD3) achieves prolonged enzyme delivery, substrate reduction and stabilisation of neurologic and somatic disease manifestations
Pramod K. Mistry
Yale University
New Haven, CT, United States
Beyond ERT/SRT: A neuro-pulmonary-lymphatic spatial-omics atlas redefines pathology and guides immunotherapy in neuronopathic Gaucher disease
Moderated Q&ASchwartz, Rajan, Donald, Mistry
10:30Break and Exhibits
11:00Joseph Muenzer
University of North Carolina
Chapel Hill, NC, United States
Phase I/II study of intravenous tividenofusp alfa for mucopolysaccharidosis type II
Can Ficicioglu
The Children’s Hospital of Philadelphia
Philadelphia, PA, United States
Effect of clemidsogene lanparvovec (RGX-121), an investigational gene therapy, on neurodevelopmental outcomes in patients with Hunter syndrome
Simon A. Jones
St. Mary’s Hospital
Manchester, United Kingdom
Ex-vivo modification of autologous CD34+ HSPCs using a CD11b-directed lentiviral vector encoding ApoEII-tagged human IDS leads to supraphysiological enzyme activity and biochemical correction of neuronopathic MPS II patients
Elizabeth Jalazo
University of North Carolina Chapel Hill
Chapel Hill, NC, United States
Preliminary results from phase I/II, first-in-human, open-label study of DNL126 in children with mucopolysaccharidosis type IIIA (MPS IIIA)
Moderated Q&AMuenzer, Ficicioglu, Jones, Jalazo
12:00Break, Exhibits and Satellite Symposia
12:15Non-CE Satellite Symposium
Sponsored by Zevra Therapeutics
Charting a Path in Niemann-Pick Disease Type C: Diagnostic Challenges, Therapeutic Innovations, and Real-World Patient Cases
12:15Non-CE Satellite Symposium
Sponsored by Sanofi
From the Kidney and Beyond: Early, Multi-Organ Impacts in Fabry Disease
13:30Brian Bigger
University of Edinburgh
Edinburgh, United Kingdom
Sustained biochemical correction and improved neurological outcomes at 36-months post hematopoietic stem cell gene therapy for Sanfilippo syndrome
Nicole M. Muschol
University Medical Center Hamburg-Eppendorf
Hamburg, Germany
Long-term administration of tralesinidase alfa enzyme replacement therapy (TA-ERT) results in profound and durable reduction of heparan sulfate (HS) and stabilization of cognitive function and cortical gray matter volume (CGMV) in patients with Sanfilippo syndrome type B (MPS IIIB)
Ozlem Goker-Alpan
Lysosomal & Rare Disorders Research & Treatment Center, Inc
Fairfax, VA, United States
Safety, tolerability and biological activity of ABX1100, a CD71 centyrin siRNA conjugate targeting GYS1 in late-onset Pompe disease patients
Priya S. Kishnani
Duke University
Durham, NC, United States
Symptom onset, disease biomarkers, and treatment status in US Pompe disease patients identified by newborn screening
Moderated Q&ABigger, Muschol, Goker-Alpan, Kishnani
14:30Roberto Giugliani
Federal University of Rio Grande do Sul
Porto Alegre, Brazil
Long-term data from a phase II study with oral nizubaglustat for late-infantile/juvenile GM2 and NPC diseases (RAINBOW)
Barbara MacFee
OPEN Health
Parsippany, NJ, United States
Outcomes of patients with rapidly progressive lysosomal acid lipase deficiency treated with sebelipase alfa before hematopoietic stem cell transplantation
Elizabeth Berry-Kravis
Rush University Medical Center
Chicago, IL, United States
Adrabetadex treatment in individuals with Niemann-Pick disease type C1 re-establishes cholesterol trafficking, resulting in decreased markers of neuronal damage and cell death
Caroline Aimee Hastings
UCSF Benioff Children’s Hospital Oakland
Oakland, CA, United States
Real-world safety and effectiveness of arimoclomol in patients with NPC: Outcomes from the US early access program (EAP) over a 4-year period
Moderated Q&AGiugliani, MacFee, Berry-Kravis, Hastings
15:30Clinical Applications Poster SessionExhibit Hall
15:45Industry Expert Theater
Sponsored by BioMarin Pharmaceutical
17:455th Annual Robert J. Gorlin Symposium
CE Session
Accredited provider: Medical Education Resources (MER)
Global Access to Newborn Screening: A Call to Action!
This activity is supported in part by educational grants from BioMarin Pharmaceutical Inc., Chiesi USA, Inc., Denali Therapeutics, Takeda Pharmaceuticals USA, Inc., and Ultragenyx Pharmaceutical Inc.

The fourth research day of the meeting begins with the New Treatment Awards. Then, for the seventh year, the Contemporary Forum will allow for presentation of scientific abstracts — Basic, Translational, and Clinical — submitted by industry first-author researchers. Although the first three days of WORLDSymposium are accredited and approved for CE credit, Commercial Interests are not eligible for ACCME accreditation. The Contemporary Forum allows commercial interests to present their work to the WORLDSymposium audience, in this non-CE session, while being held to all the same standards as the ACCME accredited sessions and scored for merit and interest by the same Program Committee.

Toward bringing the most recent research to the platform of WORLDSymposium 2026, after the late-breaking abstract submissions close on December 1, 2025, selected late-breaking abstracts will be identified by the Program Committee as being suitable for platform presentation. In order to provide access to the “hot-off-the-presses” content from these researchers, late-breaking abstracts will be reviewed and scored, and the top-scoring abstracts were selected for presentation during the 2025 meeting. Download the WORLDSymposium 2026 program (PDF 200KB).

Contemporary Forum, Late-breaking Science and the Rapid Fire Competition

Contemporary Forum, Late-breaking Science Co-Chairs:
Marc Patterson, Uma Ramaswami, Cyndi Tifft

07:30Chester B. Whitley
University of Minnesota
Minneapolis, MN, United States
Welcome and New Treatment Awards
08:00Heather A. Lau
Ultragenyx Pharmaceutical Inc
Novato, CA, United States
Treatment with UX111 reduced cerebrospinal fluid (CSF) heparan sulfate (HS) exposure and stabilized or improved functioning across dose, age, and stage of MPS IIIA
Daniel M. Virga
Regeneron Pharmaceuticals
Tarrytown, NY, United States
Anti-transferrin receptor 1-targeted AAV9 therapy prevents CNS and visceral pathologies in acid sphingomyelinase deficiency
Marc C. Patterson
IntraBio, Inc.
Austin, TX, United States
Long-term findings of N-acetyl-L-leucine for Niemann-Pick disease type C
Yanmei Lu
Sangamo Therapeutics
Richmond, CA, United States
Isaralgagene civaparvovec (ST-920) gene therapy for adults with Fabry disease: Pharmacology and immunogenicity outcomes from the phase 1/2 STAAR study and ongoing long-term follow-up
Moderated Q&ALau, Virga, Patterson, Lu
10:00Break
10:30Late-Breaking Abstracts4 Speakers To Be Announced (TBA) with Moderated Q&A
11:30Break

Rapid Fire Competition

Back by Popular Demand: The fast-paced and energetic Rapid Fire Competition. Format will be a 5-minute, 5-slide presentation, followed by 5 minutes of live audience Q&A. Speakers will be competing for prizes, and the audience will vote for their favorites.

Rapid Fire Co-Chairs: Amy Gaviglio, Francyne Kubaski, Marc Patterson

12:30Karolina M. Stepien
Salford Royal Hospital
Salford, United Kingdom
Evidence of secondary mitochondrial dysfunction in alpha-mannosidosis
12:40David Moreno Martínez
Cambridge University Hospitals
Cambridge, United Kingdom
Neuronal dysfunction beyond lysosomes in Fabry disease: Evidence from iPSC-derived forebrain neurons
12:50Betul Celik
Nemours Children’s Health
Wilmington, DE, United States
Co-transplantation of hematopoietic stem cells and highly purified rapidly expanding clones (REC) of human mesenchymal stem cells rescued the bone pathology of MPS IVA mice
13:00Ryunosuke Sanada
National Center for Child Health and Development
Tokyo, Japan
Development of gene editing technologies to correct a mutation in GNPTAB of mucolipidosis type II/III patients

*2026 Young Investigator Award Recipient
13:10Maria Ester Bernardo
San Raffaele Scientific Institute
Milan, Italy
Sustained supraphysiological alpha-L-iduronidase (IDUA) activity, reduction of glycosaminoglycans (GAGs), and clinical benefits at 5 years post-treatment with OTL-203, an autologous hematopoietic stem cell gene therapy (HSC-GT), in patients with mucopolysaccharidosis type I (MPS IH) Hurler syndrome
13:20Tahseen Mozaffar
University of California, Irvine
Orange, CA, United States
208-week outcomes of cipaglucosidase alfa plus miglustat in patients with late-onset Pompe disease treated from PROPEL baseline: Muscle function and biomarkers
13:30Kathy E. Meyer
Sangamo Therapeutics
Richmond, CA, United States
A combined fertility, embryofetal development, AAV integration and germline transmission risk study in mice with isaralgagene civaparvovec (ST-920) for Fabry disease
13:40Petra Oliva
ARCHIMEDlife GmbH
Vienna, Austria
Breaking barriers in lysosomal disorder screening: A novel simultaneous LC-MS/MS approach for Tay-Sachs, Sandhoff, and GM1 gangliosidosis diseases
13:50Rapid Fire Abstract4 Speakers To Be Announced (TBA)
14:00Rapid Fire Abstract
14:10Rapid Fire Abstract
14:20Rapid Fire Abstract
14:30Rapid Fire Abstract Competition VotingVoting and Awards
14:40WORLDSymposium 2026 Adjourns

*This will be a preliminary program only. ALL times and speakers will be subject to change. Be sure to check back weekly as updates are made.

Basic Science, Translational Research, and Clinical Application Sessions are available for CE credits. Contemporary Forum and Late-Breaking Science Sessions are not available for CE credits, however CEUs for GCs may apply.

Attention to All Platform Speakers: It is the policy of WORLDSymposium to publish all abstracts with the list of authors exactly as the abstract was submitted to WORLDSymposium. The first author of the submitted abstract will be listed as the Platform Speaker (presenting author) on the Preliminary Program, Agenda, and Poster List.

All requests for changes to the Platform Speaker (presenting author) will be reviewed by the WORLDSymposium Planning Committee prior to approval. No changes will be made to the Preliminary Program posted online; any changes to the Platform Speaker will be announced from the podium by the Moderators only at the time of the platform presentation. The Preliminary Program will remain published with the original first author, and all communication will continue to go to the first author of the abstract.

The submitting first author will continue to receive all instructions from the automated abstract notification system. Please be sure that the first author is aware they will need to forward any email instructions for PowerPoint preparation, and for advance review of presentations. Meeting the presentation guidelines and submitting presentations for prior review must be done to meet ACCME accreditation requirements.

Reference the Frequently Asked Questions pages for additional information.