CONFERENCE DAY TWO | Thursday, October 23

8:30 am Check-In & Coffee

9:25 am Chair’s Opening Remarks

  • Crystal Bryan Associate Director - Quality Control & Analytical Technologies, Editas Medicine

9:30 am Panel: Cracking the Code on Potency: Defining, Measuring, & Validating Functional Activity in Gene Therapy Products

  • Debojit Bose Principal Scientist, Regeneron Pharmaceuticals
  • Marina Feschenko Head of Analytical & Formulation Drug Product Sciences, Voyager Therapeutics, Inc
  • Crystal Bryan Associate Director - Quality Control & Analytical Technologies, Editas Medicine

Synopsis

  • What Does Potency Really Mean in Gene Therapy?: Addressing the challenge of linking in vitro assay results to in vivo clinical efficacy for diverse modalities (AAV, LV, gene editing, mRNA)
  • Assay Design Under Regulatory Scrutiny: Navigating FDA/EMA expectations for potency assays as a critical element of IND, BLA, and RMAT submissions
  • Toward Meaningful Metrics: Strategies to move beyond surrogate markers and design potency assays that reflect true biological function and therapeutic relevance

10:30 am Session Reserved for NanoMosaic

11:00 am Morning Break & Networking

Bioassays & Molecular Biology

Enhancing Analytical Methods for Gene Therapy Product Release & Compliance

12:00 pm Characterizing Novel CRISPR Editors for Research & Therapeutics

Synopsis

  • Developing and evaluating assays for protein engineering and therapeutic development
  • Assays for novel and engineered editors to establish data sets
  • Editor characterization and data sets for regulatory filings, clinical trials, and long-term follow-up studies

12:30 pm Advancing Residual DNA Characterization with A Multiplexed Digital PCR-Based Approach to Size Profiling

  • Chynna Broxton Analytical Development Scientist, Spark Therapeutics, Inc.

Synopsis

  • Development of a dPCR assay for precise sizing of residual DNA in gene therapy products
  • Analytical strategies to distinguish and quantify short vs long DNA fragments for improved quality assessments
  • How expanded size characterization can support regulatory guidance and CMC filings beyond current standards.

1:00 pm Lunch Break & Networking

2:00 pm Standardizing the Future: USP Standards for Advancing Analytical Quality for Gene Therapy

Synopsis

  • USP’s new AAV reference standards and analytical reference material
  • Review of collaborative study data using USP AAV standards
  • USP’s documentary standards supporting gene therapy
  • Future USP gene therapy reference standards

2:30 pm Addressing the Challenge of ReplicationCompetent Virus Analytics in Gene Therapy

  • Susan Tam Quality Control Analyst, Astellas Pharma

Synopsis

  • Understanding Replication-Competent Viruses: Exploring the potential risks and safety concerns associated with replicationcompetent viruses in gene therapy applications
  • Analytical Methods for Detecting RCVs: Overview of bioanalytical techniques, including PCR-based methods, qPCR, and cell-based assays for identifying replicationcompetent viruses in viral vector preparations
  • Regulatory Considerations and Guidelines: Discussing the FDA’s and other regulatory agencies’ guidelines for evaluating and mitigating risks associated with replication-competent viruses, and ensuring patient safety in gene therapy products 

Physicochemical Properties

Innovation, Risk, & Readiness in Physicochemical Analysis

12:00 pm Round-table: From R&D to QC: Validating Novel Physicochemical Methods

Synopsis

  • Translating Innovation into QC: Strategies for adapting cuttingedge R&D methods for routine, validated QC use
  • Regulatory Considerations: Expectations for method transfer, validation, and documentation to meet compliance standards
  • Data Pipelines and Bioinformatics: Building efficient workflows for data analysis, integration, and regulatory support 

12:30 pm Decoding LNPs: Advanced Analytical Strategies for Precise Characterization

Synopsis

  • Establishing critical quality attributes (CQAs): Defining key parameters like size, encapsulation efficiency, and polydispersity.
  • Innovative methods in LNP analysis
  • Regulatory readiness: Ensuring analytical robustness and reproducibility to support IND and commercial submissions.

2:00 pm Stability Science for Reliable Shelf Life & Commercial Success: The Mystery of AAV Instability – Bridging the Scientific Gaps in Vector Degradation

Synopsis

  • Unknowns that Impact Decisions: Current processes and storage strategies are built on incomplete data. Without a clear understanding of how AAV degrades, teams are flying blind when it comes to long-term stability and risk assessment
  • Degradants–The Invisible Variables: What actually happens to AAV particles under stress? Without characterization of degradation products, it’s difficult to predict or explain batch variability, affecting product consistency and compliance
  • The Downstream Implications: These knowledge gaps complicate everything from formulation and fill-finish decisions to regulatory submissions, where expectations around stability and shelf-life justification are rising

2:30 pm Decoding AAV Degradation: Building a Framework for Stability-Indicating Assays

Synopsis

  • Explore degradation pathways under different storage conditions (frozen, refrigerated, room temperature)
  • Investigate how titer loss correlates with capsid integrity and genome degradation
  • Define criteria for selecting effective stability-indicating assays and extending retest dates

3:00 pm Afternoon Break & Networking

4:00 pm Harmonizing Global Regulatory Expectations for CMC in Gene Therapy: Challenges & Solutions

  • Suman Jangid Director - Global Regulatory Chemistry, Manufacturing, Controls & Gene Therapy, BridgeBio Pharma, Inc.

Synopsis

  • Navigating Global Regulatory Frameworks: Exploring the differences in CMC (Chemistry, Manufacturing, and Controls) requirements across regions and the need for global alignment in gene therapy
  • Efforts to Harmonize Standards: Discussing ongoing initiatives and collaborations aimed at standardizing CMC expectations to reduce inconsistencies and streamline approvals worldwide
  • Overcoming Regulatory Barriers: Identifying key challenges in aligning regulatory expectations and strategies for overcoming them to ensure smoother global product development and market access

4:30 pm Navigating RMAT Designation: Aligning Analytical Development with Accelerated Regulatory Pathways

Synopsis

  • Strategic Planning for Analytical Development with RMATs: Key data and validation approaches that supported the application
  • Lessons from FDA Interactions: Insights into regulatory expectations and how early alignment helped shape development
  • Impact on Program Strategy: How the RMAT designation influenced timelines, priorities, and cross-functional collaboration

5:00 pm Chair’s Closing Remarks

5:15 pm End of the 7th Gene Therapy Analytical Development Summit