Specialized Workshop F2 - Friday April 11, 2025: 7am to 5pm - Discussion Topic List

" Gene, Cell, and Vaccine Therapies Immunogenicity & Technologies - Latest Advances, Challenges and Solutions from Internationally Recognized Key Opinion Leaders"

Recent Advances in the Immunogenicity of Gene/Cell/Vaccine Therapies Based on Lesson Learned from Regulatory Submissions; Advice on Putting Together the Integrated Summary of Immunogenicity (ISI) and Challenges in Applying the Current Paradigm for Immunogenicity Testing for Gene & Cell Therapies; Immunogenicity Assessment & Clinical Relevance with Focus on Regulatory Feedback on TAb/NAb Assays; Progress in the Development and Characterization of Next Generation CAR-T; Latest Updates on the Wide Applications of Next-Generation Sequencing (NGS) in Bioanalysis and How Bioanalytical Labs are Handling the Method Development and Validation for NGS; Novel Case Studies and Challenges in the Expanded Application of qPCR, dPCR and ddPCR Assays for Genetic Multiplexing, Transgene and Target Gene Expression; Understanding & Misunderstanding in qPCR/ddPCR Data Comparability; AND LASTLY, WRIB Traditional KOL Industry/Regulators Focused and Highly Interactive Panel Discussions on Discovery/Regulated Gene, Cell, and Vaccine Therapies Immunogenicity & Technologies Applications and Recent Controversial Issues

Session 1: Lipid Nanoparticle (LNP) Delivery System: in vitro Models, Redosing, Immunogenicity

  • Topic 1:

    Current role of in Vitro Models in developing Genetic Medicine: Emphasize the critical role that in vitro translational models play in the early stages of genetic medicine development; Providing insights into gene expression, safety, efficacy. Examine challenges in predictability: Successes/limitations experienced in mRNA-LNP; Innovative strategies/technologies, advanced bioengineering methods, Artificial Intelligence & Machine Learning (AI & ML) integration, and enhanced model systems.
    Dr. Swati Gupta, Executive Director Clinical Immunogenicity & Translational Science, AbbVie

  • Topic 2:

    Can Patients be Redosed with an in vivo CRISPR/Cas9 Genome Editing Therapy?  Consideration on the delivery system via Lipid Nanoparticle (LNP) instead of AAV and AAV GT cannot be re-dosed vs LNP Targeting TTR gene re-dosed for ATTR patients; Low Immunogenicity Risk Assessment in non-clinical and clinical studies for anti-drug antibodies and anti-Cas9 protein antibodies after the 1st dose and re-dose for NHP to human translation.
    Dr. Yuanxin Xu, Senior Vice President Early Development & Translational Medicine, Intellia

  • Topic 3:

    State-of-the-art Approaches used to assess Immunogenicity for mRNA-LNP and Unique Challenges: Developing anti-Protein and NAb assays with multiple confirmation assays for multiple mRNA derived proteins; anti-PEG assay development how changes in antibody isotypes can affect the interpretation of results from clinical studies; anti-LNP assay development, ensuring LNP is coated onto the plate, identifying optimal confirmation conditions, and reducing effects of LNP stickiness.
    Dr. Melissa Taylor, Associate Director Bioanalytical & Molecular Assays, Moderna

Session 2: Next Generation Cell Therapy: Immunogenicity/Clinical Relevance & Bioanalytical Considerations

  • Topic 4:

    Challenges & Opportunity for Next Generation Cell Therapy Bioanalysis on Global Scale: Latest and unique bioanalytical considerations in drug development, discovery & clinical; Crucial importance of Cellular Kinetics; Immunogenicity & Immune Response characterization for complex cell therapies including Cytokine Release Syndrome (CRS) & Allogenicity; Acceleration through holistic, global strategies with a diverse Cell Therapy portfolio.
    Ms. Daisy Yuill, Executive Director Integrated Bioanalysis, AstraZeneca

  • Topic 5:

    Cytokine Release Syndrome (CRS): Systemic inflammatory response caused by the rapid release of cytokines from immune cells following Cell Therapy: Importance to independently evaluate the relationship of Anti-Therapeutic Antibody (ATA) with the anticipated or relevant Adverse Events (AE) driven by product-specific Immunogenicity Risk Assessment and Risk Management Plan; If an AE is driven by Cell Therapy and not by ATA, should it be part of the output?
    Dr. Vibha Jawa, Executive Director Translational Medicine, Bristol Myers Squibb

  • Topic 6:

    Highlighting the Immunogenicity Clinical Relevance on development of Autologous CAR-T Cell Therapy based on indications: Bioanalytical strategies/methodologies on assessing immunogenicity; Clinical relevance related to PK, efficacy, and safety; How to mitigate clinical immunogenicity for Next Generation Cell Therapy Design based on probability of success; Challenges on employing cell therapies for solid tumor indications and impact of immunogenicity on PK, efficacy and safety.
    Dr. Tong-Yuan Yang, Senior Director Preclinical Sciences & Translational Safety, J&J Innovative Medicine

Session 3: Recent Advances in Bioanalytical Molecular Assays: PCR & NGS

  • Topic 7:

    Translatability/Synergy between CMC Bioassays and Bioanalytical Assays to accelerate Gene and Cell Therapy Development: Comparing technologies/processes used for method development and validation; Development of NGS off-target Detection Assay to support both drug product characterization and safety monitoring of patients in a Cell Therapy clinical trial; Target Engagement (TE) Assay using RT-qPCR expression in animals tissue samples adopted by CMC for potency assay probe/primers sequences.
    Dr. Yanmei Lu, Vice President Biomarker & BioAnalytical Sciences, Sangamo

  • Topic 8:

    Advancing RSV Vaccines with Innovative Bioanalytical Approaches; Efficacy evaluation with a three-assay Customized PCR Algorithm for detecting the vaccine strain in negative samples; mRNA Vaccine efficacy evaluation by NGS for using nasal swabs. Comparison of NGS amplicon sequencing and NGS whole genome sequencing; Advantages of whole genome sequencing utilizing random primers to make it less susceptible to the effects of viral mutations.
    Dr. Rocio Murphy, Senior Director & Head of Global Clinical Immunology, Sanofi

  • Topic 9:

    Novel Streamlined Approach for Normalizer Gene Identification using Next-Generation Sequencing (NGS) methods and differential gene expression analysis: Addressing variability from the target disease, tissue pathology, inflammation, patient population, cell type, genetic differences, different RNA species, cell type composition, biopsy handling and RNA quality; Accuracy of PCR-based methods that measure mRNA transcript expression improvement with a rigorous normalization strategy.
    Dr. Andrew Melton, Senior Director BioAnalytical Sciences, BioMarin

  • Topic 10:

    Leveraging Artificial Intelligence (AI) based bioinformatics NGS pipelines to interrogate genomics data pertaining to somatic analysis of tumor samples and germline samples: Best Practices for Implementing AI in Clinical Genomic Labs by leveraging AI to enhance genomic analysis by ensuring robust data integration, maintaining high-quality standards, and providing continuous training for lab personnel on new analytic tools; Integrating Information with Wet Lab Workflows.
    Dr. Mark Stern, Senior Director Clinical Genomics & Molecular Assay Development, Bristol Myers Squibb

Session 4: Lesson Learned on Anti-Transgene Protein Immune Response & Preexisting Anti-AAV Threshold

  • Topic 11:

    What are main reasons to evaluate Anti-transgene Protein Immune Response and how this information can inform development of Gene Therapies? What are the critical factors that can determine the need and value of assessment of anti-transgene protein immune response? What is the Regulatory Position on this assessment and when is it asked for? What are the risk-based recommendations and current industry experience?
    Dr. Boris Gorovits, Vice President Non-clinical & Clinical Bioanalysis, Regeneron

  • Topic 12:

    How do we identify a preexisting anti-AAV Threshold that maximizes Gene Therapy Efficacy in all patients? What non-clinical data would help identify the correct anti-AAV threshold, in vitro transduction, passive immunization, pharmacology studies? What clinical data would help identify the most appropriate anti-AAV thresh-hold? Data from TAb/NAb and TI Assays, stepwise increase in titer for inclusion; IVD, IDE and CDx requirements? What strategies can we use to permit AAV Redosing?
    Dr. Michael Partridge, Senior Director Bioanalytical Sciences, Regeneron
    Dr. Susan Irvin, Senior Staff Scientist, Regeneron

  • Topic 13:

    Lesson Learned on Applying/Non-applying the Current Paradigm for Immunogenicity Testing for Gene Therapy; Immunogenicity Assessment & Clinical Relevance with Focus on Regulatory Feedback on TAb/NAb Assays; Agreement on recent recommendations of not using NAb Assays for Gene Therapy; Advices on Putting Together the Integrated Summary of Immunogenicity (ISI); Latest agreements/disagreements on why we should not follow the ADA guidance/3-tiered paradigm designed for Biotherapeutics; Which immunogenicity assays are providing useful information in the clinic?
    Mr. David Escobar, Associate Director Ligand Binding Assay Technologies , Navigate

Session 5: 2025 White Paper in Bioanalysis

  • 2025 White Paper on Gene, Cell, and Vaccine Therapies Immunogenicity & Technologies - Latest Advances, Challenges and Solutions from Internationally Recognized Key Opinion Leaders

    Consensus & Conclusions on Gene, Cell, and Vaccine Therapies Immunogenicity & Technologies - Latest Advances, Challenges and Solutions from Internationally Recognized Key Opinion Leaders for 2025 White Paper

Session Finale: ASK THE REGULATORS! Interactive Panel Discussion with All the Regulators

  • Regulatory Feedbacks on Submitted Studies and Inspection/Audit Outcomes on Gene Therapy, Cell Therapy & Vaccines

    Regulatory Panelists:

    • Dr. Zuben Sauna (US FDA)
    • Ms. Leslie Wagner (US FDA)
    • Dr. Wojciech Jankowski (US FDA)
    • Dr. Binsheng Gong (US FDA )
    • Dr. Wenming Xiao (US FDA)
    • Dr. Alessandra Buoninfante (EU EMA)
    • Mr. Christian Mayer (Austria AGES / EU EMA)
    • Dr. Claire Kerridge (UK MHRA)
    • Dr. Anna Nowocin (UK MHRA)
    • Dr. Sandra Prior (UK MHRA)
    • Dr. Omar Tounekti (Health Canada)
    • Dr. Sarah Wassmer (Health Canada)
    • Dr. Chad Irwin (Health Canada)
    • Dr. Bradley Scott (Health Canada)
    • Dr. Adrian Wong (Health Canada)




Agenda at a Glance Agenda at a Glance