Protokinetix, Inc. · OTC:PKTX

Protokinetix — Investor Presentation (September 2020)

26 slides from Protokinetix's investor presentation, September 2020

  1. Slide 1: PKX-001: Novel Treatment for Dry Eye Disease (DED)

    orotoKinetix PKX-O01 + Novel Treatment for Dry Eye Disease (DED)

  2. Slide 2: Overview

  3. Slide 3: Dry eye disease is a multifactorial disease of the ocular surface

    • Dry eye disease (DED) is a multifactorial disease of the ocular surface which results in a spectrum of symptoms and/or signs that Consensus roadmap 2019- affect 5–30% of the population. 2025 developed by European Vision Institute • Dry eye symptoms include discomfort and visual disturbances that s

  4. Slide 4: Dry Eye Disease market value and growth

    Studies of the Dry Eye Disease market1,2 indicated a value of ~USD 4.5 billion in 2018, and ~USD 6.2 billion by 2024, with an anticipated CAGR of 5.23%, during the forecast period (2019-2024). The growth of DED market include several factors: • Population aging • Decrease in the supportive hormone,

  5. Slide 5: PKX-001

    PKX-OOl PKX-001: Novel Glycopeptide in clinical development as cytoprotective agent YY | © i O HII UO.

  6. Slide 6: Novel Glycopeptide in clinical development as cytoprotective agent

    Novel Glycopeptide in clinical development as cytoprotective agent © Small, synthetic analog of the family of anti-freeze glycoproteins. © Cytoprotective and anti-inflammatory activity in various cellular and animal models. © Currently under investigation in patients with type 1 diabetes (effect on

  7. Slide 7: Test Results

    Test Results seener lon

  8. Slide 8: PKX-001 demonstrates strong cytoprotective activity in vitro and in vivo

    Test Results / PKX-OOl demonstrates strong cytoprotective activity in in vitro and in vivo models

  9. Slide 9: In Vitro & In Vivo Models

    In Vitro & In Vivo Models © PKX-001 increased survival of various cells [human and mouse fibroblasts, human peripheral blood mononuclear cells, Jurkat cells, mouse embryonic stem cells, human and mouse islets, and rat cardiomyocytes] incubated under - conditions of: = * Oxidative stress * Low temper

  10. Slide 10: In Vitro & In Vivo Models

    In Vitro & In Vivo Models © PKX-001 increased in vivo survival and functional activity of transplanted cells (human islets and photoreceptor precursor cells) following their in vitro pre-treatment with PKX-001. © Invitrotests suggest that PKX has anti-oxidative Activity and anti-Inflammatory activit

  11. Slide 11: PKX-001 Shows Efficacy in Murine DED Model: Proof-of-Concept Study

    Test Results / PKX-O01 Shows Efficacy in Murine DED Model: Proof-of-Concept Study

  12. Slide 12: Murine DED Model: Proof of Concept Study

    Murine DED Model Proof of Concept Study o Murine model of desiccating stress (induced by low humidity, constant airflow and injections of scopolamine). Oo 5% PKX-001 formulated in BSS (Ocular sterile irrigating solution) and delivered topically QID. YT ~ | oO Results for CD4 + T-cell infiltration up

  13. Slide 13: Murine DED Model: Corneal Permeability

    Murine DED Model Proof of Concept Study eee ns, p=0.0537 900 | ***')=0.003 | | | 800 T Corneal Permeability - * 5% PKX-OO1 improved corneal 3500 permeability to similar extent #400 as Positive control oe. (Cyclosporin CsA-MiDROPS™). 2 100 Oo © xs Ss a ra » io a & ce £0 Q FS Study conducted by EyeCRO

  14. Slide 14: Murine DED Model: Conjunctival Goblet Cell Density

    Murine DED Model Proof of Concept Study Conjunctival Goblet Cell Density * PKX-OO1 treatment normalized conjunctival goblet cell density. Goblet cells/ mm Study conducted by EyeCRO LLC, Oklahoma City, OK ,USA. Additional information and study report available under CDA

  15. Slide 15: PKX-001 Shows Efficacy in Murine DED Model: Confirmatory Study

    Test Results / PKX-O01 Shows Efficacy in Murine DED Model: Confirmatory Study

  16. Slide 16: Murine DED Model: Confirmatory Study

    Murine DED Model Confirmatory Study © Murine model of desiccating stress (induced by low humidity, constant airflow and injections of Study Study 2 scopolamine). Treatment % reduction of elevated © 2-5% PKX-001 formulated in BSS and delivered corneal permeability topically under different treatment

  17. Slide 17: PKX-001 Is Not Genotoxic and Has Beneficial Safety Profile in vivo

    Test Results / PKX-OO1 is Not Genotoxic and Has Beneficial Safety Profile in vivo Study conducted by EyeCRO LLC, Oklahoma City, OK ,USA. Additional information and study report available under CDA

  18. Slide 18: Beneficial Safety Profile in vivo

    Beneficial Safety Profile in vivo o Rabbit eye irritation study (2-10% PKX-00I, single ocular administration): not considered an eye irritant. © Mouse eye irritation study (5% PKX-001, QID ocular administration, 5 days): well tolerated and not considered an eye irritant. Studies conducted by ITR Lab

  19. Slide 19: Rabbit ocular tolerance, genotoxicity and acute toxicity

    © Rabbit ocular tolerance and PK study (5% PKX-001, BID or QID, 14 days): well tolerated at all dose levels. + No difference between Control and PKX-001 groups for clinical signs, body weight, food consumption, gross ocular evaluations for local ocular irritation, or ophthalmology examinations. Ocul

  20. Slide 20: PKX-001 Blood and Ocular Tissue Concentrations

    Test Results / PKX-OO1 Blood and Ocular Tissue Concentrations Study conducted by EyeCRO LLC, Oklahoma City, OK ,USA. Additional information and study report available under CDA

  21. Slide 21: Rabbit ocular tolerance and PK study

    Rabbit ocular tolerance and PK study (5% PKX-001, BID or QID, 14 days). Blood samples collected at several time points post PKX-001 dosing. Ocular tissue samples collected after last PKX-001 dosing (conjunctiva, cornea, aqueous humor, vitreous humor, retina and RPE/choroid/sclera complex) and flash

  22. Slide 22: Secured CMO for cGMP Manufacturing

    Test Results / Secured CMO for CGMP Manufacturing

  23. Slide 23: Secured CMO for cGMP Manufacturing

    Test Results / e secured CMO for cGMP Manufacturing © Process development, analytical and manufacturing of PKX-001 lyophilized powder for clinical studies provided by experienced US-based Contract Manufacturing Organization © PKX-001 powder (API) manufactured using proprietary synthetic manufacturin

  24. Slide 24: PKX-001 has strong IP protection status

    Test Results / PKX-OOl has strong IP protection status Study conducted by EyeCRO LLC, Oklahoma City, OK ,USA. Additional information and study report available under CDA

  25. Slide 25: Patent coverage and market exclusivity

    Secured CMO for cGMP Manufacturing © ProtoKinetix has patent coverage for the composition of matter (for the family of AAGP compounds including PKX-001). © Method of use patent applications are pending for the use of PKX-001 in ocular setting. Specifically, for enhancing neurosensory precursor cells

  26. Slide 26: Additional information and contact

    • Additional information on efficacy, safety and manufacturing of PKX-001 is available under CDA For information please contact: • ProtoKinetix Inc. is seeking collaboration and licensing L. Grant Young partners to further the development of PKX-001 for the Co-founder, treatment of dry eye disease.

ProtoKinetix — Investor Presentation (September 2020) on 6ix