Rocket Pharmaceuticals, Inc. · NASDAQ:RCKT

Rocket Pharmaceuticals — American Society of Gene & Cell Therapy (ASGCT) 2018

34 slides from Rocket Pharmaceuticals's conference presentation, May 18, 2018

  1. Slide 1: American Society of Gene & Cell Therapy

    American Society of Gene & Cell TherapyMay 18, 2018 Gaurav Shah, M.D.Chief Executive Officer and President

  2. Slide 2: Important Information: Cautionary Statement Regarding Forward-Looking Statements

    Important Information Cautionary Statement Regarding Forward-Looking Statements Various statements in this release concerning Rocket’s future expectations, plans and prospects, including without limitation, Rocket’s expectations regarding the safety, effectiveness and timing of product candidates th

  3. Slide 3: Developing best-in-class gene and cell therapies

    Developing best-in-class gene and cell therapies for patients with devastating diseases. Inspired by transformative innovation, built on a sustainable and integrated multi-platform approach.

  4. Slide 4: About Rocket Pharma

    About Rocket Pharma Multi-Platform Gene Therapy (GTx) Company Targeting Rare Diseases1st-in-class with direct on-target mechanism of action (MOA) and clear clinical endpoints Ex-vivo Lentiviral vectors Fanconi Anemia (FA) Leukocyte Adhesion Deficiency-I (LAD-I) Pyruvate Kinase Deficiency (PKD)Infant

  5. Slide 5: Pipeline-at-a-Glance

    Therapies Discovery Preclinical Clinical Commercial Fanconi Anemia (FA) Leukocyte Adhesion Deficiency-I (LAD-I) Pyruvate Kinase Deficiency (PKD) Infantile Malignant Osteopetrosis (IMO) Undisclosed AAV CRISPR/Cas9 for FA Pipeline-at-a-Glance

  6. Slide 6: Leveraging the Full Spectrum of GTx Platforms

    In VivoAAV Gene Therapy Ex VivoLentiviral Gene Therapy Remove cells &isolate patient HSCs Laboratory- produced LV Laboratory- produced AAV Direct intravenous injection Gene-modifyHSCs Infusion of modified HSCs TherapeuticLVV TherapeuticAAV Leveraging the Full Spectrum of GTx Platforms

  7. Slide 7: Fanconi Anemia (FA)

    Fanconi Anemia (FA) Background:Etiology: FANC-A gene mutation → impaired DNA repairPathology: Bone marrow failure by age 10. Increased cancer risk of 30-50 fold (Acute Myeloid Leukemia and Head and Neck most common) 1Current available treatment: HSCT, associated w/ GVHDPrevalence: ~2,000 in US/EU~75

  8. Slide 8: Rationale for Gene Therapy in FA: Somatic Mosaicism

    Rationale for Gene Therapy in FA: Somatic Mosaicism = “Natural” GTx Somatic mosaicism in FA leads to stabilization/correction of blood counts, in some cases for decades. This uncommon variant results from a reverse mutation and demonstrates that a modest number of gene-corrected hematopoietic stem c

  9. Slide 9: Gene Therapy Value Proposition: Early, Low-toxicity Intervention

    Gene Therapy Value Proposition: Early, Low-toxicity Intervention to Prevent Hematologic Failure Gene therapy in FA: Potential to correct blood & bone marrow defect without conditioningNo/limited hospitalization or transplant-unit medical care required No anticipated further increase in risk of head

  10. Slide 10: Updated Data from Phase 1/2 Gene Therapy Trial of RP-L102 in FA

    Updated Data from Phase 1/2 Gene Therapy Trial of RP-L102 in Patients with Fanconi Anemia Key efficacy measurements:Genetic correction of bone marrow cells (engraftment): measured by peripheral blood VCNFunctional and phenotypic correction of bone marrow cells: measured by resistance to mitomycin-C

  11. Slide 11: Results from Phase 1/2 Gene Therapy Trial of RP-L102 in Fanconi Anemia

    Results from Phase 1/2 Gene Therapy Trial of RP-L102 in Patients with Fanconi Anemia Results:Genetic correction of bone marrow cells (engraftment): Post-treatment peripheral blood VCN increases in all patients. Patient 02002 (first patient with higher RP-L102 dose)17% at 12 months34% at 19 months44%

  12. Slide 12: Bone Marrow Engraftment: Increasing Levels Confirm Survival Advantage

    Bone Marrow Engraftment: Increasing Levels Confirm Survival Advantage of Gene-Corrected FA Cells Ciemat Data Presented at ASGCT May 2018 First Demonstration of Engraftment Without Conditioning (in contrast to Beta-thal, SCD, etc) 02002 (Cryo) (1.7x104 cCFU/Kg) 02004 (Cryo)(6.9x103 cCFU/Kg) 02006 (Fr

  13. Slide 13: Functional Correction of Bone Marrow

    Functional Correction of Bone Marrow MMC assay identifies cells resistant to Mitomycin-C (MMC), a standard DNA damaging agent Ciemat Data Presented at ASGCT May 2018 Progressive Phenotypic Correction of BM Cells (MMC-Resistance)

  14. Slide 14: Gene Correction of Bone Marrow Stem Cells Across Multiple Lineages

    Gene Correction of Bone Marrow Stem Cells: Observed Across Multiple Cell Lineages Peripheral Blood Bone Marrow Ciemat Data Presented at ASGCT May 2018

  15. Slide 15: Safety: Lentiviral Integration Profile

    Safety: Lentiviral Integration Profile Demonstrates Preferential Integration Away from Potentially Oncogenic Transcription Start Sites Ciemat Data Presented at ASGCT May 2018 0 2 4 6 8 10 10-5 kb 5-0 kb 0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-80 80-90 90-100 TSS % in Gene Upstream % Integration

  16. Slide 16: Gene Therapy Confers a Phenotype Similar to Somatic Mosaicism

    Gene Therapy Confers a Phenotype Similar to Somatic Mosaicism DEB chromosomal assay measures Diepoxybutane (DEB)- induced chromosome breakage which is elevated in FA Ciemat Data Presented at ASGCT May 2018 Healthy Donor Mosaic FA Non-reverted FA Healthy Donor Mosaic FA Non-reverted FA Healthy Donor

  17. Slide 17: Increases of Corrected vs Non-Corrected Leukocytes

    Increases of Corrected vs- Non-Corrected Leukocytes Support Potential of Gene Therapy to Restore Normal Bone Marrow Function Uncorrected leukocytes/µL Corrected leukocytes/µL Ciemat Data Presented at ASGCT May 2018

  18. Slide 18: Gene Therapy Stabilizes Markedly Declining Blood Counts

    Gene Therapy Stabilizes Markedly Declining Blood Counts Months after gene therapy Months after gene therapy Months after gene therapy 02002 (Cryo) (1.7x104 cCFU/Kg)(2.5x105 cCD34+/Kg) 02004 (Cryo)(6.9x103 cCFU/Kg)(1.7x105 cCD34+/Kg) 02006 (Fresh)(1.6x105 cCFU/Kg)(4.0x105 cCD34+/Kg) 02005 (Fresh)(2.8

  19. Slide 19: FA: Clinical Summary & Path Forward

    FA: Clinical Summary & Path Forward

  20. Slide 20: Leukocyte Adhesion Deficiency-I (LAD-I)

    Leukocyte Adhesion Deficiency-I (LAD-I) Background:ITGB2 gene mutation → impaired CD18 expression & WBC migration → severe infections~50% patients w/severe variant → ~2/3 mortality by age 2Current available treatment: HSCT, associated with GVHDGTx potential market est. >25-50 patients/year Upcoming

  21. Slide 21: Rationale for Gene Therapy in LAD-I: CD18 Expression and Survival

    Rationale for Gene Therapy in LAD-I: CD18 Expression Correlative to Patient Survival The grey diamond indicates the 39% survival to age 2 years for 66 evaluable patients with severe LAD-I not receiving HSCT Poster Presentation at ASGCT May 2018 Natural history studies show the correlation between hi

  22. Slide 22: LAD-I: Mouse Study Shows LAD-I Correction

    LAD-I: Mouse Study Shows LAD-I Correction Primary and serially transplanted LAD mice underwent CD18 lenti GTx with different promotersMyeloablative conditioning was usedRocket chose the Chimeric cFES/CTSG (myeloid-specific ) promoter (Post-transplant PB VCN 0.4-0.9) 1o 2o Leon-Rico D, Aldea M, Sanch

  23. Slide 23: LAD-I: Improved Process Produces VCN >2.4

    LAD-I: Improved Process Produces VCN >2.4 Source: Company data on file VCN in Liquid Culture No Transduction Enhancers With Combination of Transduction Enhancers Improved Process Old Process VCN/cell Utilizing GMP vector branch

  24. Slide 24: LAD-I Program Summary

    LAD-I Program Summary Ultra-rare Disease = Streamlined Regulatory Approach Potential design & endpoints for approval Target Patient Population: Severe LAD-I patients (CD18<2%), ~2/3 mortality by 2yControl: Lit review of ~300 pts. (Rocket published*)Potential approval path: Early Endpoint Read: Modes

  25. Slide 25: Pyruvate Kinase Deficiency (PKD)

    Pyruvate Kinase Deficiency (PKD) Background:PKLR gene mutation → shortage of RBC ATP → hemolytic anemiaCurrent available treatment: transfusions, splenectomyGTx potential market est. >250 patients/year Upcoming Milestones:Rolling IMPD filing planned in early 2019 FA LAD-I PKD IMO AAV

  26. Slide 26: PKD Program Summary

    PKD Program Summary Product/Manufacturing Optimization Positive outlook for near term optimization PoC Expected effective engraftment requirement < 50% Optimization of vector manufacturing + transduction process in progressVCN now 2-4 range with TDx EnhancersGMP vector production slated to begin 201

  27. Slide 27: Infantile Malignant Osteopetrosis (IMO)

    Infantile Malignant Osteopetrosis (IMO) Background:TCIRG1 gene mutation → dysfunctional osteoclastsBone marrow failure, skeletal deformities, frequent mortality by age 10Current available treatment: HSCTGTx potential market est. >50 patients/year Upcoming Milestones:Clinical trials scheduled to begi

  28. Slide 28: AAV Program (Undisclosed)

    AAV Program (Undisclosed) Background:Monogenic multi-organ disease, death in teens without organ TxVector with on-target MOA, tissue specific tropismCurrent available treatment: Organ TxPrevalence US/EU: 15,000 to 30,000Upcoming Milestones:Preclinical data and disclosure of indication in 2H18Target

  29. Slide 29: AAV: Activity in Mouse Model

    AAV: Activity in Mouse Model Wild-type KO + AAV.EGFP KO + AAV.transgene Undisclosed collaborator data on file

  30. Slide 30: AAV: Expression of Missing Protein in KO mice

    AAV:  Expression of Missing Protein in KO mice 3.532.521.510.50 WT KO GTx Mid GTx High GTx Low Undisclosed AAV GTx/GAPDH Ratio Undisclosed collaborator data on file

  31. Slide 31: Growing IP Portfolio

    Growing IP Portfolio 4 in-licensed patent families for GTx products and related tech Supporting current pipeline efforts In-licensed three pending international patent applications filed under Patent Cooperation Treaty (PCT) for FA, PKD & LAD programsOne pending PCT application for undisclosed AAV-b

  32. Slide 32: World-Class Research and Manufacturing Partners

    World-Class Research and Manufacturing Partners CIBEREl CIEMATFred Hutchinson Cancer Research CenterIIS FJDLund UniversityMemorial Sloan Kettering Cancer CenterMolMed S.p.A.Stanford Medical School

  33. Slide 33: Leadership Team

    Gaurav Shah, M.D.President & Chief Executive Officer Jonathan Schwartz, M.D.Chief Medical Officer & Head of Clinical Development Kinnari Patel, Pharm.D., MBAChief Operating Officer & Head of Development Led multiple biologics approvals Spearheaded Kymriah (CART-19) development at Novartis towards ap

  34. Slide 34: Near-Term Potential Clinical Value Drivers

    AAV: First disclosure of indicationLAD-I: Target IMPD filing Up to Four Programs in the ClinicClinical Data expected in up to Two Programs Near-Term Potential Clinical Value Drivers FA: Updated Patient Data Presented at ASGCT

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