Cartesian Therapeutics, Inc. · NASDAQ:RNAC

Cartesian Therapeutics — Investor Presentation (March 2025)

19 slides from Cartesian Therapeutics's investor presentation, Mar 3, 2025

  1. Slide 1: Pioneering mRNA Cell Therapy for Autoimmunity

    Pioneering mRNA Cell Therapy for Autoimmunity March 2025 Exhibit 99.1

  2. Slide 2: Disclosures

    Disclosures For the purposes of this notice, the “presentation” that follows shall mean and include the slides that follow, the oral presentation of the slides by members of management of Cartesian Therapeutics, Inc. (the “Company”) or any person on their behalf, any question-and-answer session that

  3. Slide 3: Pioneering mRNA Cell Therapy for Autoimmunity

    PIONEERING mRNA CELL THERAPY FOR AUTOIMMUNITY3 Clinical-stage company pioneering mRNA cell therapies designed to expand the reach of cell therapy to autoimmunity • Pipeline of mRNA cell therapies designed to be dosed more reliably and safely in an outpatient setting without lymphodepletion • Descart

  4. Slide 4: Cartesian's mRNA approach is designed to expand the reach of potent cell therapy

    PIONEERING mRNA CELL THERAPY FOR AUTOIMMUNITY4 Cartesian’s mRNA approach is designed to expand the reach of potent cell therapy products to address autoimmunity No Lymphodepletion No associated cytopenia, secondary malignancies, or other chemotherapy toxicities Administered Outpatient Convenient dos

  5. Slide 5: Wholly-owned pipeline targets autoimmune disease

    Asset Indications Discovery/Preclinical Phase 1 Phase 2 Phase 3 Descartes-08 Autologous mRNA CAR-T Myasthenia Gravis (MG) Systemic Lupus Erythematosus (SLE) Pediatric Autoimmune Diseases* Descartes-15 Autologous mRNA CAR-T Autoimmune Diseases** Wholly-owned pipeline targets autoimmune disease PIONEE

  6. Slide 6: Myasthenia gravis is a rare, progressive autoimmune disease with significant unmet need

    PIONEERING mRNA CELL THERAPY FOR AUTOIMMUNITY6 Myasthenia gravis is a rare, progressive autoimmune disease with significant unmet need Current treatments require chronic or frequent administration and have limited durability Characterized by debilitating fatigue and muscle weakness Limbs Respiratory

  7. Slide 7: Deep and durable responses maintained over months in Phase 2b

    Deep and durable responses maintained over 12 months in participants treated with Descartes-08 in Phase 2b PIONEERING mRNA CELL THERAPY FOR AUTOIMMUNITY7 Deepening responses observed over time Durable responses observed over time Deepest responses observed in participants without exposure to prior b

  8. Slide 8: AURORA: Randomized double-blind, placebo-controlled Phase 3 trial of Descartes-08

    8 AURORA: Randomized double-blind, placebo-controlled Phase 3 trial of Descartes-08 in AChR Ab+ gMG expected to commence in 1H 2025 WK1 Masked Dosing Six weekly doses of Descartes-08 or placebo PRIMARY ENDPOINT • Proportion of participants with MG-ADL improvement of ≥3 points at Month 4, relative to

  9. Slide 9: Descartes-08 in Myasthenia Gravis Phase 2b Results

    PIONEERING mRNA CELL THERAPY FOR AUTOIMMUNITY9 Descartes-08 in Myasthenia Gravis Phase 2b Results

  10. Slide 10: Deepening responses observed in participants treated with Descartes-08

    Deepening responses observed in participants treated with Descartes-08 PIONEERING mRNA CELL THERAPY FOR AUTOIMMUNITY10 • Average MG-ADL reduction of 5.5 (±1.1) points at Month 4 • 33% of participants achieved minimum symptom expression at Month 6 • 80% of participants reaching Month 12 maintained cl

  11. Slide 11: Deepest responses observed in participants with no prior exposure to complement or FcRn inhibitors

    Deepest responses observed in participants with no prior exposure to complement or FcRn inhibitors PIONEERING mRNA CELL THERAPY FOR AUTOIMMUNITY11 • Average MG-ADL reduction of 6.6 (±1.5) points at Month 4 • 57% of participants achieved minimum symptom expression at Month 6 • 100% of participants re

  12. Slide 12: Safety profile supports outpatient administration

    PIONEERING mRNA CELL THERAPY FOR AUTOIMMUNITY12 Safety profile supports outpatient administration Descartes-08 (n=20) Placebo (n=16) Grade 1 Grade 2 Grade 3 Grade 1 Grade 2 Grade 3 Headache 7 (35%) 4 (20%) 2 (13%) 3 (19%) Chills 8 (40%) 4 (20%) Nausea 3 (15%) 6 (30%) 1 (6%) 2 (13%) Fever 7 (35%) 4 (

  13. Slide 13: Phase 2a trial update: Descartes-08 retreatment continues to elicit deep and durable responses

    Phase 2a trial update: Descartes-08 retreatment continues to elicit deep and durable responses Manuscript submitted for peer review; pre-print available at medRxiv.org. • Three participants retreated to date, two of whom maintain minimum symptom expression 2 years after initial treatment • Third par

  14. Slide 14: Additional Indications and Pipeline

    PIONEERING mRNA CELL THERAPY FOR AUTOIMMUNITY14 Additional Indications and Pipeline

  15. Slide 15: Intend to leverage the potential of Descartes-08 across multiple clinical programs

    Intend to leverage the potential of Descartes-08 across multiple clinical programs PIONEERING mRNA CELL THERAPY FOR AUTOIMMUNITY15 • Plan to initiate Phase 3 AURORA clinical trial in 1H 2025 • RMAT designation expected to support efficient development plan in collaboration with FDA MG SLE Potential

  16. Slide 16: Descartes-08 has the potential to address pediatric indications

    PIONEERING mRNA CELL THERAPY FOR AUTOIMMUNITY16 Descartes-08 has the potential to address pediatric indications, a severely underserved population • Rare Pediatric Disease Designation for DC-08 in juvenile dermatomyositis granted in September 2024 • IND amendment filed to include DC-08 in juvenile S

  17. Slide 17: Descartes-15, a next generation anti-BCMA mRNA CAR-T with >10x potency in preclinical studies

    Descartes-15, a next generation anti-BCMA mRNA CAR-T with >10x potency observed in preclinical studies PIONEERING mRNA CELL THERAPY FOR AUTOIMMUNITY17 Potent killing (single target exposure) Persistent killing (multiple exposures) (1:2) (1:8) (1:32) 0 50 100 % S pe ci fic K ill in g DC-15 DC-08 Vehi

  18. Slide 18: Strong financial position: expected to support pipeline through key milestones

    PIONEERING mRNA CELL THERAPY FOR AUTOIMMUNITY18 STRONG FINANCIAL POSITION: Expected to Support Pipeline Through Key Milestones * As of 12/31/24. Further includes Series A Non-Voting Convertible Preferred Stock and Series B Non-Voting Convertible Preferred Stock that remain subject to beneficial owne

  19. Slide 19: Cartesian Therapeutics

    ze Cartesian. therapeutics

Cartesian Therapeutics — Investor Presentation (March 2025) on 6ix