Solid Biosciences Inc. · NASDAQ:SLDB

Solid Biosciences — 41st Annual J.P. Morgan Healthcare Conference (January 2023)

27 slides from Solid Biosciences's conference presentation, Jan 9, 2023

  1. Slide 1: Solid Biosciences 41st Annual J.P. Morgan Healthcare Conference

    Solid Biosciences 41st Annual J.P. Morgan Healthcare Conference JANUARY 12, 2023 Exhibit 99.1

  2. Slide 2: Forward Looking Statement

    Forward Looking Statement This presentation contains “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995, including statements regarding future expectations, plans and prospects for the company; the anticipated milestones, business focus and pipeli

  3. Slide 3: 2023 Expected To Be a Year of Transformation and Meaningful Advancements for Solid

    2023 Expected To Be a Year of Transformation and Meaningful Advancements for Solid PIPELINE Opportunity to become a leading precision genetic medicines company within neuromuscular and cardiac genetic medicine PROCESS Differentiated CMC expertise, building a robust, scalable manufacturing process ut

  4. Slide 4: 2023: Solid Biosciences At a Glance

    2023: Solid Biosciences At a Glance Developing Genetic Medicines for Patients with Rare Neuromuscular and Cardiac Diseases Completed merger between AavantiBio and Solid Biosciences in December 2022 Headquartered in Charlestown, MA Combined pipeline, novel capsid development, and expertise from both

  5. Slide 5: Led By Experienced Team With Deep Expertise in Precision Genetic Medicine

    Led By Experienced Team With Deep Expertise in Precision Genetic Medicine Bo Cumbo President and CEO Paul Herzich Chief Technology Officer Roxana Donisa Dreghici, M.D. Head of Clinical Development Ty Howton, J.D. Chief Administrative Officer Carl Morris, Ph.D. Chief Scientific Officer Neuromuscular

  6. Slide 6: Solid is Well-Positioned to Execute on Multiple Programs in the Coming Years

    Platform / Genetic Expertise Cardiac Rare Genetic Replacement Therapy (undisclosed #1) Cardiac Rare Genetic Replacement Therapy (undisclosed #2) Neuromuscular DMD uDys Replacement Therapy Anticipated 2H-2023 Neuromuscular Frataxin Replacement Therapy Cardiac BAG3 Replacement Therapy Cardiac Genetic

  7. Slide 7: Next Generation Therapies Start With Delivery Through Innovative Capsids

    AAV CARDIAC capsids enhance select cardiac tissue tropism and reduce liver targeting Rational Design approach used to engineer capsid candidates with the goal of improving SKELETAL MUSCLE tropism AAV-SLB101 AAV9 Wild Type AAV-SLB101 AAV9 DMDmdx Human Duchenne Cell Microdystrophin Expression NovCap 1

  8. Slide 8: Combined Company Strengthens Process/Analytical Development & CMC Regulatory Team Capabilities

    Combined Company Strengthens Process/Analytical Development & CMC Regulatory Team Capabilities Robust network of CDMO partners along with our internal MS&T expertise and dedicated resources support advancement of Solid’s pre-clinical and early-stage pipeline programs Process optimization and cGMP ma

  9. Slide 9: Transition to Transient Transfection Manufacturing and Use of the AAV-SLB101 Capsid Yielded Additive Improvements

    SGT-001-HSV SGT-003-TT Process change (HSV to TT) and AAV-SLB101 capsid combined to increase µDys by 2.3x vs SGT-001 HSV Product with desired quality attributes supported by analytical data​ with TT process Product demonstrated high levels of in vitro and in vivo transgene expression​ vs HSV materia

  10. Slide 10: Solid is Well-Positioned for Strategic Pipeline Growth

    Solid is Well-Positioned for Strategic Pipeline Growth Leveraging and Integrating Learnings Across Indications Pipeline Strategy Strategic Manufacturing Partnerships and Vector Core Indication Selection Criteria Network of KOL Partnerships Internal Development Capabilities

  11. Slide 11: Indications With High Unmet Need and Significant Market Opportunities

    Indications With High Unmet Need and Significant Market Opportunities Notes: In 2020, Solid entered into a collaboration agreement with Ultragenyx for the development of UX810, a next generation Duchenne construct comprised of Solid’s proprietary nNOS microdystrophin and Ultragenyx’s HeLa PCL manufa

  12. Slide 12: Duchenne Muscular Dystrophy and Next Generation SGT-003

    Duchenne Muscular Dystrophy and Next Generation SGT-003

  13. Slide 13: Next Generation and Potential For Best-In-Class With SGT-003

    Next Generation and Potential For Best-In-Class With SGT-003 Disease Overview Caused by mutations in the dystrophin gene, which leads to the absence of the dystrophin protein Due to progressive and irreversible muscle loss, patients typically lose the ability to walk by their early-teens and succumb

  14. Slide 14: Next-Generation Therapies Utilize Optimized Transgene, Capsid and Manufacturing Process

    Next-Generation Therapies Utilize Optimized Transgene, Capsid and Manufacturing Process Capsid Manufacturing Process Transgene nNOS Binding Domain AAV-SLB101 AAV9 Wild Type AAV-SLB101 AAV9 DMDmdx nNOS Microdystrophin uniquely includes the nNOS binding domain, important for prevention of activity-ind

  15. Slide 15: Dose Dependent Expression Localized to Functional Membrane

    Observations: Dose Dependent Expression Expression Localized to Functional Membrane All tissues reached 100% expression at all doses by day 29 Quantitative MS analysis will be performed to evaluate full dynamic range of expression Expression Achieved Early (Day 4) and Optimized by Day 29 Quadriceps

  16. Slide 16: SGT-003 with SLB001 Capsid Demonstrated Superior Tropism to AAV9

    SGT-003 with SLB001 Capsid Demonstrated Superior Tropism to AAV9 Positive biodistribution and expression data has the potential to translate into better efficacy Quad Heart Liver 5 4 3 2 1 0 Fold Change µDys vg/ug DNA vs. AAV9 (1E14vg/kg, D29) Fold Change µDys Expression vs. AAV9 (1E14vg/kg) AAV9 AA

  17. Slide 17: NHP Data Utilizing AAV-SLB101 Showed Improved Biodistribution in Cardiac and Skeletal Muscle

    Increased biodistribution to skeletal & cardiac muscle resulted in increased transgene expression at lower doses* Reduced biodistribution in liver suggests tissue de-targeting and improved safety profile* * Average fold differences calculated from the five skeletal muscle tissues sampled, three card

  18. Slide 18: Friedreich's Ataxia and AVB-202

    Friedreich’s Ataxia and AVB-202

  19. Slide 19: AVB-202's dual route of administration is differentiated to treat the primary manifestations

    AVB-202’s dual route of administration is differentiated to treat the primary manifestations of morbidity and mortality Disease Overview Monogenic disease caused by loss of frataxin with both neurological and cardiac manifestations affecting muscle control and coordination with possible loss of visi

  20. Slide 20: AVB-202 Rescued Cardiac Function and Extended Survival in Cardiac FA Mouse

    AVB-202 Rescued Cardiac Function and Extended Survival in Cardiac FA Mouse Survival Ejection Fraction SDH Activity Robust frataxin expression levels suggest efficacy may be achieved at low doses SDH activity via histochemical stain on heart tissue sections​. The percentage of tissue with high stain

  21. Slide 21: NHP Study: Favorable Safety Profile and Utility of Dual Route of Administration

    NHP Study: Favorable Safety Profile and Utility of Dual Route of Administration Dose Group IV Dose (vg/kg) IT Dose (vg/brain wt) IV/IT Low 6.0E+12 6.00E+13 IV/IT Mid 1.5E+13 1.50E+14 IV/IT High 3.0E+13 3.00E+14 IV Mid 1.5E+13 - IV High 3.0E+13 - IT Mid - 1.50E+14 IT High - 3.00E+14 Using a dual rout

  22. Slide 22: BAG3 Mediated Dilated Cardiomyopathy

    BAG3 Mediated Dilated Cardiomyopathy

  23. Slide 23: Attractive Indication with Clear Mechanistic Rationale, High Unmet Need, and Significant Market Opportunity

    Attractive Indication with Clear Mechanistic Rationale, High Unmet Need, and Significant Market Opportunity Key Disease Highlights The BAG3 gene codes for the BCL-2-associated athanogene 3 protein Sufficient levels of functional BAG3 are required for healthy cardiac function BAG3 mutations lead to r

  24. Slide 24: Data Illustrate Superior Cardiac Biodistribution and Transgene Expression Compared to AAV9

    Data Illustrate Superior Cardiac Biodistribution and Transgene Expression Compared to AAV9 rh74+cardiac specific promotor showed better BD in the heart over AAV9 with a constitutive promotor. rh74-cardiac specific promotor combination showed increased cardiac expression, and decreased liver expressi

  25. Slide 25: Driving the Future

    Driving the Future SOLID

  26. Slide 26: 2023 Anticipated Milestones

    Complete SGT-003 GLP tox for next-generation Duchenne therapy 1H 2023 Initiation of Patient Dosing for SGT-003 Late-2023 ` Drug candidate selection and initiation of IND-enabling studies for AVB-202 Report functional data from IGNITE DMD Early-2023 IND Submission for SGT-003 2H 2023 Approximately $2

  27. Slide 27: Thank You

    Thank You 41st Annual J.P. Morgan Healthcare Conference JANUARY 12, 2023

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