Enlivex Ltd. · NASDAQ:ENLV

Enlivex — Enlivex Therapeutics — Investor Presentation (May 2022)

45 slides from Enlivex's investor presentation, May 31, 2022

  1. Slide 1: Off-the-shelf, universal, macrophage reprogramming cell therapies

    Off-the-shelf, universal, macrophage reprogramming cell therapies for life- threatening diseases NASDAQ Ticker: ENLV

  2. Slide 2: Forward-Looking Statements

    Forward-Looking Statements These slides and the accompanying oral presentation contain forward-looking statements and information. Forward-looking statements are subject to known and unknown risks, uncertainties, and other factors that may cause our or our industry’s actual results, levels or activi

  3. Slide 3: Enlivex: next-generation cell therapies

    Enlivex: next-generation cell therapies PAST FUTURE • Autologous • Off-the-shelf • Not scalable • Scalable • High COGS • Low COGS & • Engineered T-cells • New cell modalities • NKs • RBCs • Macrophages 3

  4. Slide 4: Macrophage homeostasis implies proper function for its specific tissue

    Macrophage homeostasis implies proper function for its specific tissue, environment and challenge Reprogramming imbalanced macrophage populations can lead to disease resolution Sepsis, COVID-19 ARDS, Macrophage population homeostasis ARF post heart surgery Pro-homeostasis Pro-inflammatory Pro-organ

  5. Slide 5: Allocetra Mechanism of Action

    AllocetraTM Mechanism of Action Restoring immune homeostasis through reprogramming of macrophages

  6. Slide 6: Allocetra for macrophage reprogramming

    Allocetra™ for macrophage reprogramming Proprietary, universal, off-the-shelf, macrophage-reprogramming cells Allocetra™ characteristics Allocetra™ delivery into macrophages via engulfment Allocetra™ cell “eat me” signals PtdSer • Mononuclear cells collected from healthy donors Direct Gas6 Indirect

  7. Slide 7: Pipeline of reprogrammable macrophage-modulated indications

    Allocetra™ for macrophage reprogramming Pipeline of reprogrammable macrophage-modulated indications Support for EU Global Conditional Post EU Marketing Indication Pre-Clinical Phase Ib Phase IIb Market Size Marketing Approval US Phase 3 Submission Organ failure associated with Phase II Initiated Com

  8. Slide 8: Allocetra: Reprogramming macrophages in sepsis

    AllocetraTM Reprogramming macrophages responsible for organ failure in sepsis

  9. Slide 9: Sepsis is the 3rd leading cause of death in the U.S. – $33B target market

    Sepsis is the 3rd leading cause of death in the U.S. – $33B target market* There are currently no FDA approved drugs for the treatment of sepsis SEPSIS CATEGORIES Morality 50% Severe Organ Each year, at least 1.7 million adults in America 25% Damage Mortality develop sepsis. Nearly 270,000 Americans

  10. Slide 10: Cytokine/Chemokine network in sepsis

    Cytokine/Chemokine network in sepsis: the impossible task of resolving sepsis with inhibition of a certain cytokine or signaling pathway Ghrelin G-CSF MΦ: Macrophages GM-CSF TREM-1 sTNFR1 Activation Inhibition Gro-α/β MCP-1 Chemotaxis Bacterial TNFα infection Downregulated in most of the patients IL

  11. Slide 11: Phase Ib clinical trial in sepsis patients

    AllocetraTM Phase Ib clinical trial of macrophage reprogramming in sepsis patients

  12. Slide 12: Reprogrammed macrophages in sepsis patients return to homeostatic state (1)

    Reprogrammed macrophages in sepsis patients return to homeostatic state (1) Phase Ib clinical trial data, change from screening, pro-inflammatory cytokines A 5000 IL-6 B 150 TNF-a C 20 IL-1b 3000 100 15 10 1000 50 5 900 50 5 700 40 4 TNF-⍺ pg/ml pg/ml IL-1-β pg/ml 500 IL-6 300 30 3 100 20 2 100 50 1

  13. Slide 13: Reprogrammed macrophages in sepsis patients return to homeostatic state (2)

    Reprogrammed macrophages in sepsis patients return to homeostatic state (2) Phase Ib clinical trial data, change from screening, anti-inflammatory cytokines IL-10 IL-1R⍺ G-CSF E F G 50 IL-10 40000 IL-1Ra 1000 G-CSF 30 800 20000 600 10 10 10000 300 8 250 pg/ml pg/ml pg/ml 7500 6 200 5000 150 4 100 2

  14. Slide 14: Sequential Organ Failure Assessment (SOFA) Score

    Sequential Organ Failure Assessment (SOFA) Score The sequential organ failure assessment score (SOFA score), previously known as the sepsis-related organ failure assessment score, is used to track a person's status during the stay in an intensive care unit (ICU) to determine the extent of a person's

  15. Slide 15: High degree of matching: treated vs controls

    High degree of matching: treated vs controls Treated (n=10) Matched Controls (n=37) Average age 71.5 (51-83) 71.25 (50-83) Male/female 80/20 80/20 Average diagnosis SOFA 3.4 (2-6) 3.47 (2-7) Average diagnosis Apache II score 12.3 (8-21) 14.25 (5-24) Sepsis source Pneumonia 50% 53% Biliary infections

  16. Slide 16: Allocetra macrophage reprogramming leads to improved outcomes for sepsis patients

    Allocetra™ macrophage reprogramming leads to improved outcomes for sepsis patients Alive and organs recovered on day 28: 100% vs 41% Maximal change in SOFA score, diagnosis to day 28 # Total Controls 37 Patients Treated 10 Day 28 # % Controls 10 27% – Died Treated 0 0 – Alive Day 28 of SOFA Day 28 a

  17. Slide 17: Statistically significant improvement in hospitalization and SOFA vs. matched controls

    Allocetra™ macrophage reprogramming leads to improved outcomes for sepsis patients Statistically significant improvement in hospitalization and SOFA vs. matched controls Time to ICU discharge Average SOFA score during 28 days Drastic difference in organ failure resolution 5 4.4 4.1 4.1 4.0 4 3.47 Av

  18. Slide 18: Clinical summary of sepsis Phase Ib

    Clinical summary of macrophage reprogramming in sepsis Phase Ib: complete recovery from any organ failure for all 10 patients and 100% 28-day survival Sepsis clinical characteristics and organ recovery Organ Dysfunction Each patient had at least 2 organ dysfunctions, maximum of 5 Kidney 3/9 patients

  19. Slide 19: Sepsis Phase IIb clinical plan

    Sepsis AllocetraTM macrophage reprogramming Phase IIb clinical plan Sepsis Phase IIb Addressable global market $33 Billion market (severe Sepsis only) Type Controlled, randomized, multi-center (10 centers) Patients 80-160, SOFA < 10, Source: pneumonia, biliary, urinal tract, and peritoneal infection

  20. Slide 20: Phase Ib & II Clinical Trials in COVID-19

    • COVID-19 BUSINESS OPPORTUNITY IS DE-PRIORITIZED • CLINICAL DATA PROVIDED TO DEMONSTRATE SAFETY AND EFFECT IN ANOTHER INFECTIOUS DISEASE INDICATIONS AllocetraTM Phase Ib & II Clinical Trials in COVID-19 Patients in Severe or Critical Condition

  21. Slide 21: COVID-19 business opportunity is de-prioritized

    Despite strong clinical results, COVID-19 business opportunity is de-prioritized • Primary reasons: • Availability of therapeutics for mild/moderate patients • Dominance of Omicron variants, who seem to cause less severe disease in most patients • Regulators “step-back” and reluctance to provide eme

  22. Slide 22: Positive Phase Ib and top line Phase II results in COVID-19

    TM Allocetra : Positive Phase Ib and top line Phase II results in COVID-19 Hospitalization Clinical Outcome # Patients Post Administration of AllocetraTM Clinical Trial Disease Severity enrolled Recovered Mortality Discharged Duration Day 28 Day 28 Day 28 (days, avg.) Phase Ib 5 2 Severe, 3 Critical

  23. Slide 23: Macrophage reprogramming in solid tumor microenvironment

    AllocetraTM Macrophage reprogramming in solid tumor microenvironment Unique & differentiated value proposition

  24. Slide 24: Tumor-associated macrophages: pro-tumor, immunosuppressive activities

    Tumor-associated macrophages: pro-tumor, immunosuppressive activities Immunosuppressive functions1 • inhibit T cell, DC and NK cell activation • suppress anti-tumor T cell functions through inhibitory Direct pro-tumor functions • Promote resistance to therapy, angiogenesis, tumor cell survival and m

  25. Slide 25: Effective solid cancer therapy requires changes to macrophages in the TME

    Effective solid cancer therapy requires changes to macrophages in the TME Multiple strategies to kill or reprogram non-homeostatic, pro-tumor macrophages (TAMs)1 Kill or inhibit recruitment of TAMs Reprogram TAMs SIRPa inhibitors Trabectedin SIRP1a Immune checkpoints PD-L1 inhibitors Caspase 8 Bisph

  26. Slide 26: The Enlivex differentiation: resident vs infiltrating macrophages

    The Enlivex differentiation: Balance of resident macrophages vs bloodborne infiltrating macrophages and the effect on anti-tumor activity Cancer-induced changes to macrophage sub-populations: • Elimination of resident macrophages • Accumulation of pro-tumor TAMs originating from infiltrating macroph

  27. Slide 27: Macrophage reprogramming in solid tumor microenvironment: Preclinical data

    AllocetraTM Macrophage reprogramming in solid tumor microenvironment Preclinical data

  28. Slide 28: Synergistic effect of Allocetra + anti-CTLA4 in peritoneal mesothelioma

    Synergistic effect of Allocetra™ + anti-CTLA4 in peritoneal mesothelioma solid tumor 28

  29. Slide 29: Synergistic effect of Allocetra + anti-CTLA4: survival

    Synergistic effect of Allocetra™ + anti-CTLA4 in peritoneal mesothelioma solid tumor • Superior survival of the anti-CTLA4+Allocetra combinations, dose response demonstrated • Weak, although statistically-significant, survival effect of stand-alone anti-CTLA4, Allocetra 120 100 PBS p=**** <0.0001 Me

  30. Slide 30: Synergistic effect of Allocetra + anti-CTLA4: clinical score

    Synergistic effect of Allocetra™ + anti-CTLA4 in peritoneal mesothelioma solid tumor • Clinical score observations support superior clinical and survival effect of the anti-CTLA4+Allocetra combinations 18 PBS 15 Mesothelioma (no treatment, n=16) 12 Mesothelioma + Anti-CTLA4 (n=16) Clinical score 9 M

  31. Slide 31: Synergistic effect of Allocetra + anti-CTLA4: IVIS imaging

    Synergistic effect of Allocetra™ + anti-CTLA4 in peritoneal mesothelioma solid tumor Legend Initial cancer spread advanced cancer spread mouse dead mouse alive Mortality 100% 75% 71.5% 33% 0% Survival 0% 25% 28.5% 67% 100% Complete 0% 25% 28.5% 67% 100% cure IVIS imageing, AB12-137 study 31

  32. Slide 32: Synergistic effect of Allocetra + anti-PD1 in ovarian cancer model

    Synergistic effect of Allocetra™ + anti-PD1 in ovarian cancer solid tumor model Immunocompetent ⍺PD1 (1.25 mg/kg) C57BL/6 ±Allocetra/vehicle Injection IP Injection ip 32

  33. Slide 33: Synergistic effect of Allocetra + anti-PD1 in ovarian cancer

    Synergistic effect of Allocetra™ + anti-PD1 in ovarian cancer (study conducted in collaboration with Yale Cancer Center) Ovarian Cancer ID8 Study – Survival Probability 100% • Superior overall survival, 90% Allocetra 20M monotherapy survival duration and lower rate 80% 70% of tumor progression with

  34. Slide 34: Allocetra: reprogramming of peritoneal pro-tumor macrophages

    Allocetra™: reprogramming of peritoneal pro-tumor macrophages Preclinical study model: solid tumor engineered to express CD19, making it potentially responsive to CD19 CAR-T Macrophage reprogramming effect measured via single cell analysis SCID Survival/Histology 1 6 12 18 24 30 40 Days 0 10 20 30 4

  35. Slide 35: Allocetra macrophage reprogramming synergistic with CD19 CAR-T

    Allocetra™ macrophage reprogramming synergistic with CD19 CAR-T D89* Allocetra (opsonized, not engulfed by macrophages) has no programming nor clinical effect 120 HeLaCD19 100 HeLa-CD19 + CAR-T HeLa-CD19 + CAR-T + Allocetra-OTS 80 HeLa-CD19 + CAR-T + D89E_Allocetra-OTS % Survival 60 Complete remissi

  36. Slide 36: The Enlivex differentiation: resident vs infiltrating macrophages

    The Enlivex differentiation: Balance of resident macrophages vs bloodborne infiltrating macrophages and the effect on anti-tumor activity Cancer-induced changes to macrophage sub-populations: • Elimination of resident macrophages • Accumulation of pro-tumor TAMs originating from infiltrating macroph

  37. Slide 37: Peritoneal cell clustering with Allocetra on top of CAR-T

    Peritoneal cell clustering, potential additive effect of Allocetra on top of CAR-T in different cell clusters Clusters 100% Percent of cells 50% 0% 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Bg-Hela CAR-T Mock CAR-T + Allocetra 37

  38. Slide 38: Macrophage reprogramming in solid tumor microenvironment: Clinical programs

    AllocetraTM Macrophage reprogramming in solid tumor microenvironment Clinical programs

  39. Slide 39: Phase I/II Trial Evaluating Allocetra + Chemotherapy in Peritoneal Metastases

    Phase I/II Clinical Trial Evaluating Allocetra™ + Chemotherapy in Patients with Peritoneal Metastases Arising from Solid Tumors Phase I/II Addressable global market $4 Billion market Type Open-label, single center Patients 12, all-comers with peritoneal metastases Duration 90 days / patient Expected

  40. Slide 40: Allocetra macrophage reprogramming research collaborations

    Allocetra macrophage reprogramming research collaborations Collaborations aim to evaluate the potential of Allocetra™ in combination with immune-checkpoint inhibitors in solid cancer patients that do not respond to stand-alone checkpoint inhibitor therapies 40

  41. Slide 41: Planned milestones (24 months)

    Planned milestones (24 months) Q1 2022 Q3 2022 Q1 2023 Q3 2023 Completion of development Initiation of Phase I/II in Interim data Top line data macrophage of frozen formulation advanced-stage solid tumors macrophage reprogramming sepsis AllocetraTM patients with peritoneal reprogramming sepsis Phase

  42. Slide 42: Financial Summary

    Financial Summary NASDAQ GS ENLV Cash $78MM (Mar 31, 2022) Debt None Shares Outstanding 18.2 MM Funded Through Q3 2024 42

  43. Slide 43: Management

    Management Founder and President of PROLOR Biotech, Sold in 2013 ($560mm transaction). Lead product Shai Novik partnered to Pfizer, $295 million down payment, $275 upon FDA & other regulatory approvals. BLA filed Executive Chairman by Pfizer late 2020. Oren Hershkovitz Former Director of CMC, VP R&D

  44. Slide 44: Board Of Directors

    Board Of Directors Shai Novik Founder and President of PROLOR Biotech, Sold in 2013 ($560mm transaction). Lead product partnered to Pfizer, Executive Chairman $295 million down payment, $275 upon FDA & other regulatory approvals. BLA filed by Pfizer late 2020. Sangwoo Lee Executive Director of the I

  45. Slide 45: Thank You

    Thank You

Enlivex Therapeutics — Investor Presentation (May 2022) on 6ix