Aligos Therapeutics, Inc. · NASDAQ:ALGS

Aligos Therapeutics — Investor Presentation (July 2021)

50 slides from Aligos Therapeutics's investor presentation, Jul 14, 2021

  1. Slide 1: Corporate Presentation July 2021

    Lawrence M. Blatt, Ph.D. Chairman, CEO & Co-Founder C Corporate Presentation July 2021

  2. Slide 2: Disclosures

    Disclosures This presentation contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. All statements other than statements of historical facts contained in this presentation, including statements regarding our future results of operations and f

  3. Slide 3: Aligos Therapeutics Highlights

    Aligos Therapeutics Highlights OUR OUR OUR OUR OUR MISSION PLATFORM STRATEGY TEAM GOAL Develop novel Oligonucleotides Develop Decades of drug Become a world therapeutics to pharmacologically discovery and leader in antiviral address unmet Small molecules optimized drug development therapies for CHB

  4. Slide 4: Our Platforms, Capabilities and Collaborations

    Our Platforms, Capabilities and Collaborations Oligonucleotide Modalities Emory University CAM IP & Collaboration Small Molecule Chemistry Luxna Biotech 3rd Generation XNA Nucleotides Intellectual Property AM Chemicals Chemistry, Manufacturing Proprietary GalNAc and Controls Merck (MSD) NASH Collabo

  5. Slide 5: A Lesson from Chronic Hepatitis C

    A Lesson from Chronic Hepatitis C From First Movers to Best-in-Class Regimens • Efficacy  Safety  Convenience • First in class entrants – Demonstrated mechanistic proof of principle – Several did not gain approval due to poor pharmacology • Late entrants with improved pharmacology attained signifi

  6. Slide 6: Our Pipeline

    Our Pipeline Anticipated Candidate Indication MOA Discovery Nonclinical Phase 1 Phase 2 Phase 3 Milestones Initial ALG-010133 CHB STOPSTM Phase 1 Data Initial ALG-000184 CHB CAM Phase 1 Data Phase 1 ALG-020572 CHB ASO Start in 2H 2021 Phase 1 ALG-125755 CHB siRNA Start in 1H 2022 Phase 1 ALG-055009

  7. Slide 7: Chronic Hepatitis B

    ALIGOS THERAPEUTICS Chronic Hepatitis B

  8. Slide 8: CHB Epidemiology & Our Portfolio

    CHB Epidemiology & Our Portfolio • CHB Epidemiology* - Most common chronic viral infection in the world – >290 million carriers worldwide (2020) – Affects ~8 million in US, EU, Japan (2015) – Responsible for ~900,000 deaths/year (2015) – Only ~2% of patients currently treated (2016) • Our Portfolio

  9. Slide 9: Chronic Hepatitis B and Functional Cure

    Chronic Hepatitis B and Functional Cure Outcome Determined by Balance Between Virus and Host Immune Response Chronic Hepatitis B Functional Cure Therapeutics Tip the Balance Robust Viral Replication Direct Acting Antivirals No viral replication (High HBV DNA & RNA Levels) e.g., NA, CAM (undetectable

  10. Slide 10: Our CHB Clinical Development Strategy

    Our CHB Clinical Development Strategy SAD/MAD CHB Patients CAM in HV x 4 weeks SAD/MAD CHB Patients Combination Protocol STOPS in HV x 12 weeks Multiple combinations of CAM, STOPS and ASO/siRNA Pivotal Trial(s) SAD/MAD CHB Patients +/- SOC in patients with CHB ASO in HV x 4 weeks x 24-48 weeks treat

  11. Slide 11: STOPS

    STOPS ALG-010133, a novel, chemically optimized poly-AC oligonucleotide analog 10

  12. Slide 12: Oligonucleotides HBsAg Reductions Over Time

    Oligonucleotides HBsAg Reductions Over Time NAPS ASO siRNA REP2139 GSK836 Dicerna/RG6436 Mean HBsAg lowering: 1.6 (1.4) naïve – 2.0 (1.8) on NA log10 R931 Mean HBsAg lowering: 1.65 (2.0) log10 Mean HBsAg lowering: <0.5 (<0.2) log10 Mean HBsAg lowering: 1.3-1.8 (<0.5) log10 12 weeks is sufficient tim

  13. Slide 13: Oligonucleotides HBsAg Reductions Over Time

    Oligonucleotides HBsAg Reductions Over Time NAPS ASO siRNA REP2139 GSK836 Dicerna/RG6436 Mean HBsAg lowering: 1.6 (1.4) naïve – 2.0 (1.8) on NA log10 R931 Mean HBsAg lowering: 1.65 (2.0) log10 Mean HBsAg lowering: <0.5 (<0.2) log10 Mean HBsAg lowering: 1.3-1.8 (<0.5) log10 12 weeks is sufficient tim

  14. Slide 14: STOPS Mechanism of Action to Inhibit HBsAg Secretion

    STOPS Mechanism of Action to Inhibit HBsAg Secretion* • STOPS affinity chromatography identified ~20 cellular binding proteins • Five of these proteins are required for optimal HBsAg production based on siRNA knockdown experiments in HepG2.2.15 cells – SRSF1, HNRNPA2/B1, RPLP2 and RPLP1, GRP78 • All

  15. Slide 15: ALG-010133 Our Lead STOPS Molecule

    ALG-010133 Our Lead STOPS Molecule Significantly greater potency* vs. reference Poly-AC oligonucleotide** EC50 = 3.2 nM EC50 = 3.86 nM EC50 = 339.5 nM EC50 = 343.3 nM ~100-Fold improvement in potency enables efficient subcutaneous administration *Hong et. al., AASLD (2019), poster #0689. **ALG-01000

  16. Slide 16: ALG-010133 Phase 1 Study in HV Study Design

    ALG-010133 Phase 1 Study in HV Study Design Single/Multiple Ascending Dose (SAD/MAD) study in HV N=72; n=8 per Cohort, n=6 ALG-010133, n=2 Placebo Single (SAD) or three weekly subcutaneous (SC) doses (MAD) SAD Follow-up N=8 Safety and PK of single doses of 20, 50, 75, 125, 160 and 200* mg N=2 MAD Fo

  17. Slide 17: ALG-010133 Phase 1 Study in HV PK Data

    ALG-010133 Phase 1 Study in HV PK Data SAD MAD * Doses ≥125 mg approach linearity; low-to-moderate intersubject variability; no accumulation Doses ≥120 mg anticipated to have antiviral activity *All doses used 100 mg/mL solution except 2nd 200 mg cohort, which used 200 mg/mL solution Gane et. al., E

  18. Slide 18: ALG-010133 Phase 1 Study in HV Safety

    ALG-010133 Phase 1 Study in HV Safety • No serious adverse events (SAEs) • Treatment emergent adverse events (TEAEs) – No TEAEs led to study drug discontinuation – Injection site reactions (ISRs) › Occurred in ~19% of ALG-010133-treated subjects › Generally characterized by localized erythema that w

  19. Slide 19: ALG-010133 Phase 1 Study in CHB Subjects

    ALG-010133 Phase 1 Study in CHB Subjects Multiple Doses in CHB Subjects NA Suppressed (DNA < LLOQ), HBeAg Negative, HBsAg >1000 IU/mL Up to 6 cohorts (n=10 per Cohort; n=8 ALG-010133, n=2 Placebo) Up to 12 weekly doses Endpoints: PK, safety, antiviral activity (e.g., HBsAg) Endpoint data collected t

  20. Slide 20: CAM

    CAM ALG-000184, a prodrug of ALG-001075 19

  21. Slide 21: Class-II CAMs Have Clinical Validation

    Class-II CAMs Have Clinical Validation JNJ-6379* JNJ-440* ABI-731 At Day 28 Class-II CAMs result in ~2.5-3 log10 reductions in DNA at Day 28 in treatment naïve HBeAg negative CHB patients Zoulim et al., Gastroenterology 2020 *~75% of subjects are HBeAg negative Gane et al., AASLD 2019 Yuen, AASLD 20

  22. Slide 22: ALG-000184 Demonstrates ~10 to 300-Fold Improvement in In Vitro Potency

    ALG-000184 Demonstrates ~10 to 300-Fold Improvement in In Vitro Potency vs. Other Known CAMs in Clinical Development Phase 1 21

  23. Slide 23: ALG-000184 Phase 1 Study in HVs

    ALG-000184 Phase 1 Study in HVs SAD/MAD in HVs N=48; n=8 per Cohort, n=6 ALG-000184, n=2 Placebo Up to 7 oral daily doses SAD Follow-up Safety and PK of single doses of 40, 100, 250 and 500 mg MAD Follow-up Safety and PK of 7 doses of 150 and 250 mg Results Safety: all doses well tolerated – no SAEs

  24. Slide 24: ALG-000184 Phase 1 Study in CHB Subjects

    ALG-000184 Phase 1 Study in CHB Subjects Multiple Doses in Currently Not Treated/Treatment Naïve CHB Subjects HBV DNA > 2000 IU/mL, HBeAg Negative Up to 6 cohorts (n=10 per Cohort, n=8 ALG-000184, n=2 Placebo) 28 daily oral doses Endpoints: PK, safety, antiviral activity (e.g., DNA, RNA) Endpoint da

  25. Slide 25: ALG-000184 CHB Cohort 1 (100 mg) Safety, PK Data

    ALG-000184 CHB Cohort 1 (100 mg) Safety, PK Data • Safety – No serious adverse events – No TEAEs leading to discontinuation – All TEAEs were mild except one case of moderate back pain (unlikely related to study drug) › Most common TEAEs: back pain, dry mouth & headache (2 subjects each); nausea (3 s

  26. Slide 26: ALG-000184 CHB Cohort 1 (100 mg) Day 14 Antiviral Activity Data

    ALG-000184 CHB Cohort 1 (100 mg) Day 14 Antiviral Activity* Data Antiviral Activity* Mean (SD) Baseline HBV DNA 4.2 (1.0) log10 IU/mL Mean (SEM) HBV DNA reduction: 2.9 (0.2) log10 IU/mL 4 of 8 (50%) ALG-000184-treated subjects <LLOQ 1st cohort (100 mg) has completed dosing, 2nd cohort (50 mg) curren

  27. Slide 27: Additional Oligonucleotide Approaches

    Additional Oligonucleotide Approaches • ALG-020572 (ASO) • ALG-125755 (siRNA) 26

  28. Slide 28: Antisense Oligonucleotides and Small-Interfering RNAs

    Antisense Oligonucleotides and Small-Interfering RNAs RNA interference (RNAi) Antisense oligonucleotides (ASOs) All PS* Wings (LNA) GAP (DNA) The Aligos team is agnostic to oligonucleotide modality *PS = Phosphorothioate Lennox, KA & Behlke, MA J Rare Dis Res Treat (2016) 1(3): 66-70. 27

  29. Slide 29: Map of HBV Trigger Locations

    Map of HBV Trigger Locations ASO ALG-020572 and siRNA ALG-125755 Dicerna Arrowhead (S) Aligos ALG-125755 (S) Aligos ASO ALG-020572 (S) HBV ASO ALG-020572 (S) and siRNA ALG-125755 (S) trigger locations are >100 nucleotides apart Roche Arrowhead X ASO Arbutus GSK VIR 28

  30. Slide 30: Antisense Oligonucleotide ALG-020572

    Antisense Oligonucleotide ALG-020572 Discovery and Advancement of a Differentiated ASO • Antisense oligonucleotides have demonstrated clinical validation in CHB infected patients • We have designed our sequences using our proprietary Luxna Biotech 3rd generation XNA nucleotides to enhance potency, s

  31. Slide 31: ALG-020572 Our ASO Drug Candidate in the AAV-HBV Mouse Model

    ALG-020572 Our ASO Drug Candidate in the AAV-HBV Mouse Model Potent in vivo activity of ALG-020572 in the AAV-HBV mouse model without ALT elevation 30

  32. Slide 32: ALG-020572 Our ASO vs. GSK-836 ASO in the AAV-HBV Mouse Model

    ALG-020572 Our ASO vs. GSK-836 ASO in the AAV-HBV Mouse Model 5.0 Serum HBsAg 4.5 Vehicle, SC, 6 doses HBsAg Log10 (IU/mL) ALG-020001 GSK-836, 3 mg/kg, SC, 6 doses ALG-020001 GSK-836, 10 mg/kg, SC, 6 doses 4.0 ALG-020572, 3 mg/kg, SC, 6 doses 3.5 ALG-020572, 10 mg/kg, SC, 6 doses 3.0 2.5 2.0 0 5 10

  33. Slide 33: ALG-020572 Phase 1a/b Clinical Trial Design

    ALG-020572 Phase 1a/b Clinical Trial Design Part 1: SAD (HV) Part 2: VS CHB patients Multiple Cohorts Multiple Cohorts Each Cohort - 6 Active: 2 Placebo Each Cohort - 8 Active: 2 Placebo Loading Doses 1 4 8 11 15 22 29 Day Phase 1 target mean HBsAg reduction: ≥1 log10 IU/mL 32

  34. Slide 34: ALG-020572 Development Timelines

    ALG-020572 Development Timelines* Initiation of Phase 1 ALG-020572 Phase 1-enabling SAD in HV Multiple dosing CHB (ASO) Nonclinical Studies 2021 2022 Q2 Q3 Q4 Q1 Q2 Dosing in CHB subjects (MAD) anticipated to start in H2 2021 SAD – Single ascending doses; HV – Healthy volunteers; CHB – Chronic hepat

  35. Slide 35: Short Interfering Nucleic Acid ALG-125755

    Short Interfering Nucleic Acid ALG-125755 Discovery and Advancement of a Differentiated siRNA • siRNAs have demonstrated clinical validation in CHB infected patients • We have designed our siRNA sequences using our proprietary technology and liver targeting conjugation to maximize in vitro and in vi

  36. Slide 36: ALG-125755 Our siRNA vs. VIR-2218 siRNA in the AAV-HBV Mouse Model

    ALG-125755 Our siRNA vs. VIR-2218 siRNA in the AAV-HBV Mouse Model HBsAg in Serum Log10 (IU/mL, mean ± SEM) Change in Serum HBsAg Vehicle, 5 mL/kg, SC ALG-125852, 5 mg/kg, SC, Day 0 (VIR-2218) ALG-125755, 5 mg/kg, SC, Day 0 ALG-125755 demonstrates significantly improved efficacy in vivo vs. a compet

  37. Slide 37: ALG-125755 Development Timelines

    ALG-125755 Development Timelines* Projected Initiation of Phase 1 ALG-125755 Ph1-enabling Nonclinical Studies SAD in HV (siRNA) 2021 2022 Q3 Q4 Q1 Q2 Q3 Phase 1 target mean HBsAg reduction: ≥1 log10 IU/mL SAD – Single ascending doses; MAD- Multiple ascending doses; HV – Healthy volunteers; CHB – Chr

  38. Slide 38: Aligos' Advancing CHB Portfolio In Vitro Combination Studies

    Aligos’ Advancing CHB Portfolio In Vitro Combination Studies in Cell Based Assays • STOPS ALG-010133 + ASO ALG-020572 (Unconjugated form) – Synergistic (HBsAg) • STOPS ALG-010133 + CAM ALG-000184 (ALG-001075) – Synergistic (HBV DNA) • siRNA ALG-125755 + ASO ALG-020572 (Unconjugated versions) – Syner

  39. Slide 39: ALG-125755 + ALG-020572 In Vivo Combination Study

    ALG-125755 + ALG-020572 In Vivo Combination Study in the Mouse AAV-HBV Model Log10 (IU/mL, mean ± SEM) Change in Serum HBsAg Vehicle, 5 mL/kg, SC ALG-125755, 5 mg/kg, SC, Day 0 ALG-020572, 5 mg/kg, SC, Days 0, 7, 14 ALG-125755 5 mg/kg, SC, Day 0 + ALG-020572, 5 mg/kg, SC, Days 0, 7, 14 siRNA x 1 dos

  40. Slide 40: NASH

    NASH ALG-055009, small molecule THR-β agonist 39

  41. Slide 41: NAFLD and NASH High Prevalence + No Approved Therapy

    NAFLD and NASH* High Prevalence + No Approved Therapy: Large Unmet Need • Disease Progression Metabolic syndrome Liver Inflammation Liver Fibrosis Cirrhosis complications, liver associated with fat (NASH) (cirrhosis) transplant, cancer, death accumulation in liver (NAFLD) • Incidence – NAFLD – 25% w

  42. Slide 42: THR-β Agonists are Clinically Validated

    THR-β Agonists are Clinically Validated THR-β agonists have demonstrated beneficial effects on serum lipid levels and liver histology ^All dose levels pooled. *Placebo corrected values. **In patients with NASH, Harrison, Lancet, 2019. Resmetirom = MGL-3196. ***In patient with NAFLD, hyperlipidemia,

  43. Slide 43: ALG-055009 More Potent and Selective In Vitro than MGL-3196 and VK-2809

    ALG-055009 More Potent and Selective In Vitro than MGL-3196 and VK-2809 Relative THR-α and THR-β Activity in Cell-Based Assays In vitro, ALG-055009 is 5-47x more potent compared to resmetirom (MGL-3196) and 2-3x more selective for THR-β than VK-2809* High β selectivity and potency may improve risk-b

  44. Slide 44: ALG-055009 Development Timelines

    ALG-055009 Development Timelines* Initiation of Phase 1 ALG-055009 SAD in HV (THR-β) Ph1-enabling Nonclinical Studies MAD in HV with hyperlipidemia 2021 2022 Q1 Q2 Q3 Q4 Q1 Lipid Reduction Target Exceed Madrigal/Viking Phase 1 results at Phase 2b/3 dose levels Mean placebo-corrected LDL-C reduction

  45. Slide 45: Our NASH Strategy

    Our NASH Strategy • Advance ALG-055009 through Phase 1 proof of concept study – Benchmark safety, PK, anti-lipid data vs. resmetirom & VK2809 Phase 1 data – Data expected 2H 2022 • Resmetirom Phase 3 Phase 2b readouts are expected in 2H 2022 • Aligos NASH ALG-055009 program has strong optionality in

  46. Slide 46: Coronavirus

    ALIGOS THERAPEUTICS Coronavirus

  47. Slide 47: Our Approach to Developing a Broad Coronavirus Treatment

    Our Approach to Developing a Broad Coronavirus Treatment • Despite the recent availability of prophylactic vaccines, a need for therapeutics still exists – Resistant variants are emerging and may become dominant – Large segments of global population lack access to, or are opposed to vaccination – Es

  48. Slide 48: ALG-097111 Efficacy in SARS-CoV-2 Hamster Model

    ALG-097111 Efficacy in SARS-CoV-2 Hamster Model ✱✱ 7 ✱✱ ALG-097111 SARS-CoV-2 In Vitro Biochemical IC50 = 7 nM Cell-based EC50 =200 nM (A549) 6 Log10 TCID50/mg lung Infectious viral loads in the lungs of 5 RTV + Vehicle 60% PEG400 in water, subcutaneous[SC]) + ritonavir (50 mg/kg/dose, BID oral gava

  49. Slide 49: Aligos Therapeutics Summary

    Aligos Therapeutics Summary • We are advancing multiple drug candidates with clinically-validated MOAs with the goal of rapidly developing optimized combination regimens – CHB › STOPS molecule (ALG-010133) Phase 1 clinical trial ongoing, currently dosing in 2 CHB cohorts (120, 200 mg) › CAM (ALG-000

  50. Slide 50: Aligos Therapeutics

    ALIGOS THERAPEUTICS

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