Opthea Limited · ASX:OPT

Opthea — Ophthalmology Innovation Summit @ American Academy of Ophthalmology (OIS@AAO) 2019

37 slides from Opthea's conference presentation, Oct 11, 2019

  1. Slide 1: Phase 2b Clinical Results of OPT-302 Combination Treatment in nAMD

    Phase 2b Clinical Results of OPT-302 (VEGF-C/D ‘Trap’) Combination Treatment in nAMD Ophthalmology Innovation Summit @ American Academy Ophthalmology (OIS@AAO) Megan Baldwin PhD, CEO & Managing Director October 10 2019

  2. Slide 2: Forward-Looking Statements

    Forward-Looking Statements Investment in Opthea Limited (‘Opthea’) is subject to investment risk, including possible loss of income and capital invested. Neither Opthea nor any other member company of the Opthea Group guarantees any particular rate of return or performance, nor do they guarantee the

  3. Slide 3: OPT-302 Inhibits VEGF-C and VEGF-D

    OPT-302 Inhibits VEGF-C and VEGF-D Ranibizumab VEGF-C OPT-302 VEGF-A VEGF-D Bevacizumab VEGF-B Aflibercept PlGF VEGFR-1 VEGFR-2 VEGFR-3 OPT-302 ‘trap’ blocks VEGF-C and VEGF-D binding to VEGFR-2 and VEGFR-3 receptors 3

  4. Slide 4: VEGF-A Inhibition Upregulates VEGF-C/D

    VEGF-A Inhibition Upregulates VEGF-C/D Upregulation in Neovascular AMD 1 10.0 66% Aqueous Humor VEGF-C (pg/ml) 8.91 8.0 6.91 VEGF-C 6.0 5.37 4.0 2.0 0.0 Baseline 1m 2m Bevacizumab Bevacizumab 4 1 “Bevacizumab injection in patients with neovascular age-related macular degeneration increases angiogeni

  5. Slide 5: OPT-302 Clinical Program

    OPT-302 Clinical Program Combination 1o Data Agent Preclinical Phase 1 Phase 2a Phase 2b Phase 3 Status Analysis Neovascular AMD April 2017 OPT-302 Ranibizumab Complete Primary Endpt Met Target: VEGF-C/D Target: VEGF-A Ph 1/2a (n=51) Safety OPT-302 Ranibizumab Positive August 2019 Target: VEGF-C/D T

  6. Slide 6: Phase 2b

    Phase 2b A multicenter, randomized, double-masked, sham controlled study of intravitreal OPT-302 in combination with ranibizumab, in participants with neovascular (wet) AMD Conducted at 113 sites across 10 countries: US, EU, Israel OPT-302-1002; NCT ClinicalTrials.gov Identifier: NCT03345082 6

  7. Slide 7: OPT-302 Phase 2b wAMD Study Design

    OPT-302 Phase 2b wAMD ClinicalTrials.gov Identifier: NCT03345082 Randomised 1:1:1 to treatment arms : intravitreal dosing every 4 weeks (x 6) OPT-302 (2.0 mg) + ranibizumab (0.5 mg) Week 24 Follow-up Wet AMD OPT-302 (0.5 mg) + ranibizumab (0.5 mg) Naïve Pts Sham + ranibizumab (0.5 mg) 7

  8. Slide 8: Study Overview

    Study Overview Treatment naïve patients Key Inclusion Criteria with neovascular AMD Key Exclusion Criteria Screening • Active CNV >50% lesion, classic / • Subfoveal fibrosis or >25% of total lesion minimally classic / occult • Haemorrhage >50% total lesion • BCVA ≥ 25 and ≤ 60 letters • Other clinic

  9. Slide 9: Study Outcome Measures

    Study Outcome Measures Primary Outcome: • Mean change from Baseline in ETDRS best corrected visual acuity at Week 24 Key Secondary Outcomes at Week 24: • Patients gaining ≥15 or more ETDRS letters • Patients losing ≥15 or more ETDRS letters • Change in central subfield thickness (SD-OCT) • Change in

  10. Slide 10: Study Demographics and Baseline Characteristics

    Study Demographics and Baseline Characteristics Demographic / Baseline Disease Characteristic Sham + 0.5 mg OPT-302 + 2.0 mg OPT-302 + ranibizumab ranibizumab ranibizumab N=121 N=122 N=123 Mean Age – years ± SD 76.1 ± 9.48 78.8 ± 8.16 77.8 ± 8.82 Sex – n (%) Male 48 (39.7%) 49 (40.2%) 45 (36.6%) Fem

  11. Slide 11: Primary Analysis – Mean Change in BCVA Baseline to Week 24

    Primary Analysis – Mean Change in BCVA Baseline to Week 24 Primary endpoint achieved OPT-302 (2.0 mg) Combination Therapy Demonstrated Superiority in Visual Acuity over Ranibizumab 20 Δ = +3.4 (p=0.0107) Mean change in BCVA (SEM) 15 14.22 (letters) 10 10.84 9.44 5 0 Sham + 0.5 mg ranibizumab 2.0 mg

  12. Slide 12: Mean Change in BCVA Over Time

    Mean Change in BCVA Over Time Additive visual acuity benefit of OPT-302 evident from 8-weeks 20 Mean change in BCVA (SEM) 15 (letters) 10 5 0 0 4 8 12 16 20 24 Weeks Sham + 0.5 mg ranibizumab 0.5 mg OPT-302 + 0.5 mg ranibizumab 2.0 mg OPT-302 + 0.5 mg ranibizumab (n=119) (n=122) (n=121) 12 Modified

  13. Slide 13: Vision Gain - Baseline to Week 24

    Vision Gain - Baseline to Week 24 Higher proportion of patients gaining ≥15, ≥10 and ≥5 letters of vision in OPT-302 combination group 100 100 100 80 80 80 85.0 75.9 % Participants % Participants % Participants 70.0 60 60 60 57.8 40 45.0 40 40 40.5 20 20 20 0 0 0 % Gaining  15 Letters % Gaining  1

  14. Slide 14: Vision Loss - Baseline to Week 24

    Vision Loss - Baseline to Week 24 Fewer patients lose ≥15, ≥10 and ≥5 letters of vision in OPT-302 combination group 8 8 8 6.9 6 6 6 6.0 % Participants % Participants % Participants 4 4 4 4.2 3.4 2 2 2 0.8 0.8 0 0 0 % Losing  15 Letters % Losing  10 Letters % Losing  5 Letters Sham + 0.5 mg ranib

  15. Slide 15: Mean Change in BCVA by Baseline Visual Acuity

    Mean Change in BCVA Baseline to Week 24 Vision gain in OPT-302 combination group compared to sham + ranibizumab is independent of baseline VA 20 16.5 Mean change in BCVA (SEM) 15 15.7 13.9 (letters) 12.4 12.1 11.3 10 10.5 9.3 5 29 40 34 26 31 26 25 29 0  45 > 45 to 54 > 54 to 58 > 58 Baseline BCVA

  16. Slide 16: Central Subfield Thickness

    Central Subfield Thickness Reduction in CST in OPT-302 combination group compared to sham + ranibizumab Mean Change in CST – Mean CST at Week 24 Baseline to Week 24 300 -100 277.84 265.57 Mean change in CST (SEM) 250 Mean CST (SEM) -120 (m) (m) -133.80 200 -140 -146.70 150 -160 100 Sham + 0.5 mg r

  17. Slide 17: Sub-retinal Fluid and Intra-retinal Cysts at Week 24

    Sub-retinal Fluid and Intra-retinal Cysts at Week 24 Fewer participants with retinal fluid present in OPT-302 combination group compared to sham + ranibizumab % Participants % Participants with with SRF present IR Cysts present 30 30 29.3 25 25 21.6 20 20 % Participants % Participants 18.5 16.8 15 1

  18. Slide 18: Total Lesion Area and CNV Area – Baseline to Week 24

    Total Lesion Area and CNV Area – Baseline to Week 24 Greater reduction in Total Lesion and CNV Area in OPT-302 combination group compared to sham + ranibizumab Mean Change in Mean Change in Total Lesion Area CNV Area 0 0 Mean change in Total Lesion Area (SEM) Mean change in CNV Area (SEM) -2 -2 (mm2

  19. Slide 19: Polypoidal Choroidal Vasculopathy

    Polypoidal Choroidal Vasculopathy Mean change in BCVA to Week 24 in participants with and without PCV at baseline 20 Δ = 2.71 Δ = 6.70 (*p = 0.0491) (*p = 0.0253) Mean change in BCVA (SEM) 15 14.2 13.5 (letters) 11.5 10 6.9 5 98 99 20 22 0 Absent Present PCV Detected at Baseline Sham + 0.5 mg ranibi

  20. Slide 20: Mean Change in BCVA Over Time by Lesion Type

    Mean Change in BCVA Over Time by Lesion Type Small number of predominantly classic patients Predominantly Classic Minimally Classic Occult 20 20 20 Mean change in BCVA (SEM) Mean change in BCVA (SEM) Mean change in BCVA (SEM) 15 15 15 (letters) (letters) (letters) 10 10 10 5 5 5 0 0 0 0 4 8 12 16 20

  21. Slide 21: Mean Change in BCVA at Week 24 by Lesion Type

    Mean Change in BCVA at week 24 by Lesion Type Greater vision gains at Week 24 in OPT-302 2.0 mg group in minimally classic and occult lesions Minimally Classic Occult 20 20 Δ = 6.0 (*p = 0.0008) Δ = 2.7 Mean change in BCVA (SEM) Mean change in BCVA (SEM) 16.2 15 15 13.7 (letters) (letters) 11.1 10 1

  22. Slide 22: 3-Line Vision Gain at Week 24 by Lesion Type

    3-Line Vision Gain at Week 24 by Lesion Type >20% increase in 3-line gainers in participants with occult lesions treated with OPT-302 combination therapy Minimally Classic Occult 60 60 55.8 % Participants % Participants 40 42.3 40 39.6 34.0 20 20 22 21 17 29 0 0 Sham + 0.5 mg ranibizumab (n = 52) Sh

  23. Slide 23: 2-Line Vision Gain at Week 24 by Lesion Type

    2-Line Vision Gain at Week 24 by Lesion Type Greater proportion of 2-line gainers in participants with minimally classic and occult lesions following OPT-302 combination therapy Minimally Classic Occult 80 80 76.9 66.0 60 60 58.0 % Participants % Participants 55.8 40 40 20 20 29 35 29 40 0 0 Sham +

  24. Slide 24: 3-Line Vision Loss Baseline to Week 24

    3-Line Vision Loss Baseline to Week 24 Fewer patients with minimally classic and occult lesions lose ≥15 letters following OPT-302 combination therapy Minimally Classic Occult 6 6 5.8 % Participants % Participants 4 4 2 2 1.9 2.0 3 1 1 0 0 Sham + 0.5 mg ranibizumab (n = 52) Sham + 0.5 mg ranibizumab

  25. Slide 25: 2-Line Vision Loss Baseline to Week 24

    2-Line Vision Loss Baseline to Week 24 Fewer patients with minimally classic and occult lesions lose ≥10 letters following OPT-302 combination therapy Minimally Classic Occult 10 10 9.6 % Participants 8 8 % Participants 6 6 4 4 4.0 2 2 1.9 5 1 2 0 0 Sham + 0.5 mg ranibizumab (n = 52) Sham + 0.5 mg r

  26. Slide 26: Central Subfield Thickness by Lesion Type

    Central Subfield Thickness by Lesion Type Reduction in CST in participants with occult lesions treated with OPT-302 combination compared to sham + ranibizumab Minimally Classic Occult -80 -80 -100 -100 -103.5 Mean change in CST (SEM) Mean change in CST (SEM) -120 -120 ( m) ( m) -134.6 -140 -140 -1

  27. Slide 27: Sub-Retinal Fluid at Week 24 by Lesion Type

    Sub-Retinal Fluid at Week 24 by Lesion Type Fewer participants with minimally classic & occult lesions have SRF at week 24 following OPT-302 combination therapy Minimally Classic Occult 30 30 30.0 23.1 % Participants % Participants 20 21.2 20 17.3 10 10 12 11 15 9 0 0 Sham + 0.5 mg ranibizumab (n =

  28. Slide 28: Intra-Retinal Cysts at Week 24 by Lesion Type

    Intra-Retinal Cysts at Week 24 by Lesion Type Fewer participants with minimally classic & occult lesions have intra-retinal cysts following OPT-302 combination therapy Minimally Classic Occult 25 25 22.6 20 20.8 20 19.6 % Participants % Participants 15 15 10 10 7.5 5 5 12 11 10 4 0 0 Sham + 0.5 mg r

  29. Slide 29: Total Lesion Area at Week 24 in Minimally Classic and Occult Lesions

    Total Lesion Area at Week 24 in Minimally Classic and Occult Lesions Greater reductions in Total Lesion Area following OPT-302 combination therapy Minimally Classic Occult 0 0 Mean change in Total Lesion Area (SEM) Mean change in Total Lesion Area (SEM) -2 -2 (mm2) (mm2) -3.3 -3.9 -4 -4 -4.4 -4.9 -6

  30. Slide 30: CNV Area at Week 24 in Minimally Classic and Occult Lesions

    CNV Area at Week 24 in Minimally Classic and Occult Lesions Greater reductions in CNV Area following OPT-302 combination therapy Minimally Classic Occult 0 0 Mean change in CNV Area (SEM) Mean change in CNV Area (SEM) -2 -2 (mm2) (mm2) -3.4 -4 -4 -4.4 -4.6 (p = 0.0555) -5.6 -6 -6 Sham + 0.5 mg ranib

  31. Slide 31: Lesion classification at Baseline and at Week 24

    Lesion classification at Baseline and at Week 24 Lesions shift to an occult, quiescent biology or no CNV following treatment Lesion Classification Lesion Classification at Baseline at Week 24 50 50 45 44 44 45 40 43 40 41 % Participants % Participants 35 30 30 31 20 20 17 14 10 13 12 10 0 0 Predomin

  32. Slide 32: Retinal Angiomatous Proliferation (RAP) Lesions

    Retinal Angiomatous Proliferation (RAP) Lesions Mean change in BCVA to Week 24 in participants without RAP at baseline 20 Δ = 4.4 *p = 0.0025 Mean change in BCVA (SEM) 15 15.0 (letters) 10 10.6 5 102 103 0 Sham + 0.5 mg ranibizumab 2.0 mg OPT-302 + 0.5 mg ranibizumab 32 mITT; RAP – retinal angiomato

  33. Slide 33: Mean Change in BCVA Over Time by Lesion Type, RAP Absent

    Mean Change in BCVA Over Time by Lesion Type, RAP Absent In RAP absent participants, +4.7 letter gain in minimally classic and +6.5 letter gain in occult participants treated with OPT-302 combination therapy compared to sham + ranibizumab Minimally Classic Occult 20 20 Mean change in BCVA (SEM) Mean

  34. Slide 34: Mean Change in BCVA at Week 24 by Lesion Type, RAP Absent

    Mean Change in BCVA at Week 24 by Lesion Type, RAP Absent Minimally Classic Occult 20 20 Δ = 6.5 Δ = 4.7 *p = 0.0005 *p = 0.0415 Mean change in BCVA (SEM) Mean change in BCVA (SEM) 16.7 (letters) 15 15.4 15 (letters) 10 10.7 10 10.1 5 5 40 39 47 49 0 0 Sham + 0.5 mg ranibizumab 2.0 mg OPT-302 + 0.5

  35. Slide 35: Safety – Adverse Events (AEs)

    Safety – Adverse Events (AEs) N Participants (%) Sham + 0.5 mg OPT-302 + 2.0 mg OPT-302 + ranibizumab ranibizumab ranibizumab N=121 N=120 N=124 Treatment emergent AEs 84 (69.4%) 87 (72.5%) 93 (75.0%) Ocular AEs - Study Eye – related to study product(s)1 17 (14.0%) 17 (14.2%) 19 (15.3%) Ocular AEs -

  36. Slide 36: Conclusions – OPT-302 Phase 2b nAMD Trial

    Conclusions – OPT-302 Phase 2b nAMD Trial • Phase 2b trial met primary endpoint • OPT-302 (2.0 mg) combination therapy demonstrated superiority in visual acuity over ranibizumab + sham • Vision gain of 3.4 letters • Statistically significant (p=0.0107) • High ranibizumab control arm • Secondary outc

  37. Slide 37: Megan Baldwin CEO & Managing Director

    Megan Baldwin CEO & Managing Director T +61 (3) 9826 0399 E megan.baldwin@opthea.com Suite 0403, Level 4, 650 Chapel Street, South Yarra 3141 Victoria Australia www.opthea.com

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