Alnylam Pharmaceuticals, Inc. · NASDAQ:ALNY

Alnylam Pharmaceuticals — Technical Presentation (March 2015)

28 slides from Alnylam Pharmaceuticals's technical presentation, March 2015

  1. Slide 1: Disease Progression in Patients with Familial Amyloidotic Cardiomyopathy

    Disease Progression in Patients with Familial Amyloidotic Cardiomyopathy Results of a Multi-center International Study March 2015 1

  2. Slide 2: Agenda

    Agenda • Disease Background • FAC Natural History Study Results • Overview of Revusiran Program in FAC 2

  3. Slide 3: Transthyretin (TTR) Amyloidosis

    Transthyretin (TTR) Amyloidosis TTR Protein >100 defined mutations Liver-derived TTR Sensorimotor Restrictive Polyneuropathy Cardiomyopathy Familial Amyloidotic Familial Amyloidotic Senile Systemic Polyneuropathy (FAP) Cardiomyopathy (FAC) Amyloidosis (SSA) • Age of onset 30-50 • Age of onset > 60 •

  4. Slide 4: Familial Amyloidotic Cardiomyopathy (FAC)

    Familial Amyloidotic Cardiomyopathy (FAC) Disease Overview Epidemiology • Orphan disease • Estimated >40,000 FAC patients WW ◦ Currently underdiagnosed • Cardiac-predominant TTR genotypes in US/EU ◦ Most common mutation is V122I; occurs in ~4% of African- Americans ◦ T60A most common mutation in UK/

  5. Slide 5: Disease Progression in FAC

    Disease Progression in FAC Published Prospective and Retrospective Studies TRACS* Connors et. al.** Sattianayagam et. al.*** Prospective study Yes No Yes Mutation V122I V122I T60A S77Y T60A N=11 N=35 N=48 N=13 N=60 Median Survival from diagnosis 25.6 41 59 62 40.8 (months) Median time to first CV 26

  6. Slide 6: Agenda

    Agenda • Disease Background • FAC Natural History Study Results • Overview of Revusiran Program in FAC 6

  7. Slide 7: Study of Disease Progression in FAC

    Study of Disease Progression in FAC Multi-center Retrospective Analysis Goal • Characterization of disease severity and rate of progression in multinational population of FAC patients Methods • Demographics, overall survival collected retrospectively on 137 FAC patients in 2 countries with 2 study i

  8. Slide 8: Demographics

    Demographics All Patients NAC Columbia Total Pooled (N=88) (N=49) (N=137) Mutation, n (%) V122I 88 (100%) 29 (59%) 117 (85%) T60A 0 10 (20%) 10 (7%) V30M 0 2 (4%) 2 (1%) Other types (frequency per type <2) 0 8 (16%) 8 (6%) Total N=88 N=49 N=137 Median Age (yrs) 76 66 72 [Min, Max] [57,88] [41,84] [4

  9. Slide 9: Baseline Characteristics

    Baseline Characteristics All Patients NAC Columbia Total Pooled Characteristics N (n=88) N (N=49) N (N=137) Median BMI (kg/m2) 25.7 25.3 26.0 75 49 122 [min, max] [15.9, 38.5] [19.3, 36.6] [15.9, 38.5] Median eGFR (mL/min/ 51.5 54.7 55.3 76 47 123 1.73m2) [min, max] [20, 90] [20,115] [20, 115] Media

  10. Slide 10: Survival Probability

    Survival Product-Limit Survival Estimates (with number of subjects at risk) Survival Probability NAC Columbia Pooled Months NAC Columbia Group N Deaths Censored Median Survival* (months) (95% CI) Columbia 49 17 32 38.5 (34.5, Not Reachable) NAC 88 33 55 29.4 (26.4, 35.1) Pooled 137 50 87 34.1 (28.6,

  11. Slide 11: Probability of CV Hospitalization

    CV Hospitalizations Time to first CV Hospitalization Frequency of CV Hospitalizations 60% Probability of CV Hospitalization 50% Percent of Patients (%) 40% 30% 20% 10% 0% 0 1 2 3 4 5 Total number of CV hospitalizations Months from first visit No. of CV Number of # (%) of Patients with Median Time to

  12. Slide 12: Demographics and Baseline Characteristics

    Demographics and Baseline Characteristics Patients in 6-MWD Analysis FAC with 6MWD Data Characteristics N (N=39*) Mutation, n (%) V122I 39 39 (100%) Median Age (yrs) 76 37 [Min, Max] [60,87] Baseline NYHA Class, n (%) I 1 (3%) II 32 19 (59%) III 12 (38%) IV 0 Stabilizer Use 39 9 (23%) Median Baselin

  13. Slide 13: Change in 6-MWD Over Months

    Change in 6-MWD Over 18 Months 0 0 10 Change From Baseline (m) Change From Baseline (%) -30 0 -30 -10 -60 -60 -20 -90 -90 -30 -120 -120 -40 -150 -150 -50 -180 -180 -60 0 6 12 18 0 6 12 18 Months from 1st visit Months from 1st visit Visit Actual Value Change from Baseline Percentage Change (meters) (

  14. Slide 14: Change in 6-MWD Over Months: Comparison to TRACS

    Change in 6-MWD Over 18 Months Comparison to TRACS* 400 350 Mean [+/-SEM] 6-MWD (meters) 300 250 200 150 100 NAC (n=39) 50 TRACS* (n=10)** 0 0 2 4 6 8 10 12 14 16 18 Months since first visit *Ruberg et al., Am Heart J. 2012 14 **Note: of 11 total V122I patients in TRACS, n=10 with 6-MWD data reporte

  15. Slide 15: NT-proBNP Change Over Time

    NT-proBNP Change Over Time 40000 5 NTproBNP (ng/L) Changes from Baseline NTproBNP Relative to Baseline Value 30000 4 20000 3 10000 2 0 1 -10000 0 0 10 20 30 40 50 0 10 20 30 40 50 Months from First Visit Months from First Visit • V122I patients from NAC with available serial NT-proBNP data (N=78) •

  16. Slide 16: Summary

    Summary Clear decline in 6-MWD in FAC patients with mild-moderate heart failure over an 18-month period • Mean decline of 106 m at 12 months and 140 m at 18 months compared to baseline is consistent with the 91 m and 118 m decline compared to baseline at 12 and 18 months, respectively, observed in t

  17. Slide 17: Agenda

    Agenda • Disease Background • FAC Natural History Study Results • Overview of Revusiran Program in FAC 17

  18. Slide 18: Revusiran for Treatment of FAC

    Revusiran for Treatment of FAC Revusiran in clinical development • Subcutaneous delivery • Well tolerated with > 90% TTR knockdown in Phase 1 healthy volunteer study1 • Phase 2 study in FAC and SSA completed ◦ Interim data presented at ABC meeting November 2014 ◦ Final data presented at ACC March 20

  19. Slide 19: GalNAc-siRNA Conjugates

    GalNAc-siRNA Conjugates Targeted Delivery to Hepatocytes and SC Dosing GalNAc-siRNA Conjugates GalNAc-siRNA conjugate • GalNAc ligand conjugated to chemically modified siRNA to mediate ASGPR (pH>5) targeted delivery Clathrin-coated pit • Trivalent GalNAc carbohydrate cluster has nM affinity for ASGP

  20. Slide 20: Therapeutic Hypothesis for Revusiran in FAC

    Therapeutic Hypothesis for Revusiran in FAC Revusiran acts to knock down hepatic mutant and wild-type TTR production Production of mutant and wild type TTR Reduction of Unstable circulating TTR unstable circulating TTR tetramers tetramers Prevention of organ Organ deposition of monomers, deposition

  21. Slide 21: Revusiran Phase 2 Study Results: Demographics

    Revusiran Phase 2 Study Results Demographics FAC SSA Total (n=14) (n=12) (n=26) Characteristics Mean Age 65.0 71.8 68.1 Gender (M/F) 11/3 12/0 23/3 Race 10 White, 4 African 12 White 22 White, 4 African American American Mean Weight [kg] 77.8 83.1 80.3 TTR Type T60A (7) WT (12) T60A (7) V122I (5) V12

  22. Slide 22: Revusiran Phase 2 Study Results: Safety and Tolerability

    Revusiran Phase 2 Study Results Safety and Tolerability Treatment Emergent Adverse Events Possibly or Definitely Related ≥10% 5.0 mg/kg 7.5 mg/kg Total (n=23) (n=3) (n=26) LFT elevation^ 4 (17%) 0 4 (15%) Injection site erythema 3 (13%) 0 3 (12%) ^ Preferred Terms: LFT abnormal (1), ALT increased (2

  23. Slide 23: Serum TTR Lowering at 5.0 mg/kg by TTR Type

    Revusiran Phase 2 Study Results Serum TTR Lowering at 5.0 mg/kg by TTR Type 1.1 Treatment N Individual Mean ± SD Max KD (%) Max KD (%) 1.0 FAC 13 97.7 84.5 ± 9.1 0.9 SSA 10 96.6 85.8 ± 10.1 0.8 Relative to Baseline 0.7 0.6 0.5 0.4 0.3 0.2 FAC (n=13) 0.1 SSA (n=10) 0.0 0 10 20 30 40 50 60 70 80 90 10

  24. Slide 24: Revusiran Phase 2 Study Results: Summary

    Revusiran Phase 2 Study Results Summary Multiple doses of revusiran generally well tolerated in TTR cardiac amyloidosis patients with low incidence of reported adverse events • Transient mild injection site reactions in 15% of patients • Transient mild LFT changes in 15% of patients, resolved with c

  25. Slide 25: Phase 3 Trial Design Summary

    Phase 3 Trial Design Summary Design Feature Proposal Patient Population • Age 18-90 • TTR mutation • Presence of amyloid deposits in tissue. In patients with monoclonal gammopathy, TTR protein identification by IHC, mass spectrometry or scintigraphy • Clinical evidence of HF with at least 1 prior HF

  26. Slide 26: ALN-TTR-NT-002 Screening Study

    ALN-TTR-NT-002 Screening Study Rationale: • Determine frequency of TTR mutations in subjects suspected of having cardiac amyloidosis • Subjects diagnosed with FAC may be eligible for enrollment in Phase 3 study Design: • Sequencing of TTR gene in subjects with HF suspected to have cardiac amyloidosi

  27. Slide 27: Acknowledgments

    Acknowledgments Investigators for FAC Natural History Study: • Julian Gilmore ◦ National Amyloidosis Centre, London, UK • Philip Hawkins ◦ National Amyloidosis Centre, London, UK • Mathew Maurer ◦ Columbia University, New York, NY, USA Investigators for Phase 2 Study • Julian Gilmore ◦ National Amyl

  28. Slide 28: Thank You

    Thank You ZL Alnylan.

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