Pyc Therapeutics Limited · ASX:PYC

Pyc Therapeutics — Foundation Fighting Blindness Retinal Therapeutics Innovation Summit 2025

25 slides from Pyc Therapeutics's conference presentation, May 2, 2025

  1. Slide 1: Foundation Fighting Blindness Presentation Materials

    31 October 2 May 2025 2022 FOUNDATION FIGHTING BLINDNESS PRESENTATION MATERIALS PERTH, Australia and SAN FRANCISCO, California – 2 May 2025 For personal use only PYC Therapeutics Limited (ASX:PYC) (PYC or the Company) is a precision medicine Company dedicated to changing the lives of patients with g

  2. Slide 2: For personal use only

    This ASX announcement should not be relied on as a recommendation or forecast by the Company. Nothing in this ASX announcement should be construed as either an offer to sell or a solicitation of an offer to buy or sell shares in any jurisdiction. This ASX announcement was approved and authorised for

  3. Slide 3: Advancing PRPF31-Related Retinitis Pigmentosa Treatment: Key Insights from the VP-001 Phase 1B Study

    Advancing PRPF31-Related Retinitis For personal use only Pigmentosa Treatment: Key Insights from the VP-001 Phase 1B Study Retinal Therapeutics Innovation Summit May 2, 2025 Lesley Everett, MD, PhD Paul H. Casey Ophthalmic Genetics Division Casey Eye Institute Oregon Health & Science University Port

  4. Slide 4: Co-Investigators and Co-Authors

    For personal use only Co-Investigators and Co-Authors Dr. David Birch Dr. Thiran Jayasundera Dr. John Chancellor Retina Foundation Dr. Sandeep Grover Kellogg Eye Center Alkek Eye Center Dr. Byron Lam of the Southwest University of Florida University of Michigan Baylor College of Medicine Bascom Palm

  5. Slide 5: Disclosures

    Disclosures Investigator or Co-Investigator for Clinical Trials (no financial disclosures): For personal use only 4D Molecular Therapeutics Ocugen Ascidian Therapeutics SepulBio Atsena Therapeutics Sparing Vision Beacon Therapeutics Spark Therapeutics Biogen SpliceBio Editas Medicine Sanofi Foundati

  6. Slide 6: Retinitis Pigmentosa type 11 is a progressive blinding eye disease with no treatment options

    Retinitis Pigmentosa type 11 (RP11) is a progressive blinding eye disease for which there are no treatment options (PRPF31) Degenerative sight of an RP11 patient Retinitis Pigmentosa (RP)1,2 For personal use only 6 YEARS OLD • A severe and progressive blinding eye disease that begins in childhood •

  7. Slide 7: RP11 is caused by insufficient expression of PRPF31 in the retina and RPE

    RP11 is caused by insufficient expression of PRPF31 in the retina and RPE PRPF31 expression For personal use only Unaffected individual RP11 patient PRPF31 PRPF31 PRPF31 PRPF31 PRPF31 PRPF31 DNA RNA Protein DNA RNA Protein Functional PRPF31 expression = 100% Functional PRPF31 expression = ~50% https

  8. Slide 8: VP-001 is designed to address the underlying cause of RP11

    VP-001 is designed to address the underlying cause of RP11 • Cell-penetrating peptide conjugated to an oligonucleotide to modulate CNOT3 expression • Intravitreal injection (50 µl) For personal use only Without VP-001 With VP-001 ASO CNOT3 Exon 15 Intron Exon 16 Intron Exon 17 Intron Exon 18 Exon 15

  9. Slide 9: VP-001's Robust Preclinical Proof of Concept

    VP-001’s Robust Preclinical Proof of Concept VP-001 shows the ability to rescue PRPF31 haploinsufficiency in patient-derived models For personal use only PRPF31 mRNA Expression in Patient iPSC-RPE 6 days post VP-001 treatment Unaffected RP11 RP11 + VP-001 Scrambled control oligo 3) Rescues morpholog

  10. Slide 10: Overview of VP-001 Clinical Trials

    Overview of VP-001 Clinical Trials Current stage For personal use only Data from the extension study Completed Enrollment Phase 1/2 will inform the final design and Phase 1/2 studies Open-Label Extension Study duration of the registrational trial PLATYPUS: Single Ascending Dose Study and Part B Exte

  11. Slide 11: Overview of the Phase 1/2 studies of VP-001 in RP11

    Overview of the Phase 1/2 studies of VP-001 in RP11 Overview of PLATYPUS Overview of WALLABY For personal use only Primary Outcome: Safety & Tolerability Primary Outcome: Safety & Tolerability Single Ascending Dose (SAD) study SAD ‘Part B’ Multiple Ascending Dose (MAD) study Extension study • n = 3

  12. Slide 12: Inclusion criteria progressively refined to seek an accelerated efficacy signal

    The inclusion criteria was progressively refined to seek an accelerated efficacy signal in the ongoing studies of VP-001 Study Cohorts Inclusion criteria For personal use only • PRPF31 mutation 3, 10, 30 mcg PLATYPUS • Light perception SAD Study 75 mcg • PRPF31 mutation • At least one of the below:

  13. Slide 13: Key outcomes from ongoing clinical studies of VP-001 in RP11

    For personal use only Key outcomes from ongoing clinical studies of VP-001 in RP11

  14. Slide 14: Overview of patient exposure to VP-001 in the Phase 1/2 trials

    Overview of patient exposure to VP-001 in the Phase 1/2 trials Study Cohort Patient ID Received repeat doses of > 30 µg VP-001 Number of doses > 30 µg VP-001 patient has received SAD 3 µg Patient 1 Yes – patient was eligible for Part B study 2 (first dose was < 30 µg) SAD 3 µg Patient 2 Yes – patien

  15. Slide 15: No treatment emergent-serious adverse events (TE-SAEs)

    No treatment emergent-serious adverse events (TE-SAEs) • No Treatment Emergent-Serious Adverse events observed in For personal use only any subjects dosed with VP-001 to date • Including subjects who received repeat doses of VP-001 • Treatment-Emergent Adverse Events were mostly mild and/or Safety p

  16. Slide 16: Dose-dependent improvement in low-luminance visual acuity

    A dose-dependent improvement in low-luminance visual acuity was observed in the first study of VP-001 for Retinitis Pigmentosa type 11 20 For personal use only Change from baseline in Low-Luminance 3µg treated eyes (n=3) 10µg treated eyes (n=2)3 Visual Acuity (ET-DRS letters) 15 30µg treated eyes (n

  17. Slide 17: Transition to therapeutically relevant repeat doses

    Transition to therapeutically relevant repeat doses (subsequent data shown will reflect patients treated with multiple 30 or 75 µg doses) Overview of PLATYPUS Overview of WALLABY For personal use only Primary Outcome: Safety & Tolerability Primary Outcome: Safety & Tolerability Single Ascending Dose

  18. Slide 18: Improved vision after VP-001 treatment on two registrational endpoints

    Improved vision after VP-001 treatment on two registrational endpoints with high impact for patients with RP11 I For personal use only 1 LLVA is a more sensitive marker of M P Low-Luminance impaired central vision than BCVA R O Baseline Visual Acuity and has been linked to higher V E Week 16 (+4 let

  19. Slide 19: Improvements in low-luminance visual acuity within 12 months

    RP11 patients treated with VP-001 have shown improvements in low- luminance visual acuity within 12 months VP-001 treated eyes1 show improvement in LLVA compared to the disease progression observed in the Natural History Study (NHS) of patients with RP112,3 For personal use only 20 1 LLVA 15 Mean VP

  20. Slide 20: Greater proportion of treated eyes show LLVA improvement versus untreated eyes

    A greater proportion of RP11 eyes treated with VP-001 show improvement in LLVA compared to untreated eyes RP11 patients treated with VP-001 have shown improvements in LLVA relative to untreated RP11 Natural History Study subjects For personal use only 100 Data from 56-weeks 1 LLVA onwards will be as

  21. Slide 21: Microperimetry improvements observed in VP-001 treated eyes

    Microperimetry improvements have been observed in VP-001 treated eyes VP-001 treatment Baseline Week 32 12.5 dB 15.1 dB For personal use only 7 loci improved by >7dB Patient 1 2 MP 0.2 dB 6.3 dB 23 loci improved by >7dB Patient 2 4.6 dB 4.9 dB Patient 3 12 loci improved by >7dB PYC THERAPEUTICS Mean

  22. Slide 22: Bilateral improvements in retinal sensitivity following unilateral injection

    Bilateral improvements in retinal sensitivity following unilateral injection VP-001 treatment UNTREATED Baseline Week 32 Baseline Week 32 12.5 dB 15.1 dB 8.1 dB 10.2 dB For personal use only Patient 1 2 MP 0.2 dB 6.3 dB 0.3 dB 4.7 dB Patient 2 4.6 dB 4.9 dB 4.5 dB 4.6 dB Patient 3 The phenomenon of

  23. Slide 23: Clinically meaningful improvements in microperimetry in RP11 patients

    Clinically meaningful improvements in microperimetry have been observed in RP11 patients treated with VP-0011 There is a high degree of confidence that it is likely attributable to a genuine treatment effect rather than random chance2 For personal use only 60 10 VP-001 treated eyes 2 MP % of eyes wi

  24. Slide 24: Patients report improved vision and quality of life after VP-001

    Multiple RP11 patients have reported improved vision and quality of life after treatment with VP-001 - “For the first time, I’ve seen airplanes in the sky- it was amazing! When we travel to the national parks and stay in our camper van, now I can get around at dusk by myself in unfamiliar For person

  25. Slide 25: Acknowledgements

    Acknowledgements OHSU Ophthalmic Genetics Clinical Trials Funding & Support Paul Yang, MD, PhD Hardew Mahto Foundation Fighting Blindness Career Development Mark Pennesi, MD, PhD Alexis Mooney Award (2022-2027) CD-GE-0822-0831-OHSU For personal use only Andreas Lauer, MD Andrew Lamborn Steven Bailey

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