Krystal Biotech, Inc. · NASDAQ:KRYS

Krystal Biotech — Investor Presentation (August 2021)

30 slides from Krystal Biotech's investor presentation, Aug 9, 2021

  1. Slide 1: The Leader in Redosable Gene Therapy for Rare Disease

    The Leader in Redosable Gene Therapy for Rare Disease August 2021 © Copyright 2021 Krystal Biotech, Inc. All rights reserved. Exhibit 99.2

  2. Slide 2: Forward looking statements

    Forward looking statements This presentation contains forward-looking statements that involve substantial risks and uncertainties. Any statements in this presentation about future expectations, plans and prospects for Krystal Biotech, Inc. (the “Company”), including but not limited to statements abo

  3. Slide 3: Krystal overview

    Krystal overview Proprietary, engineered replication incompetent HSV-1 based platform Clinical data shows maintenance of safety and transgene expression after repeat dosing Positive external clinical and regulatory precedent with in vivo HSV-1 based therapy Differentiated viral vector platform enabl

  4. Slide 4: Upcoming Milestones

    Upcoming Milestones Timing Program Event 1Q21 B-VEC for DEB Complete enrollment in pivotal GEM-3 study in DEB 1Q21 KB301 for aesthetic indications Announce Initial safety data from cohort 1 of Phase 1 study in facial wrinkles and acne scars 1Q21 KB301 for aesthetic indications Provide update on stra

  5. Slide 5: Our technology platform enables noninvasive, redosable gene therapy

    Our technology platform enables noninvasive, redosable gene therapy © Copyright 2021 Krystal Biotech, Inc. All rights reserved.

  6. Slide 6: HSV-1 is positively differentiated vs. other gene therapy technologies

    HSV-1 is positively differentiated vs. other gene therapy technologies Lundstrom, K. Viral Vectors in Gene Therapy. Diseases 2018, 6, 42. Generation Bio (GBIO) Prospectus. (2020, June 11). Retrieved September 4, 2020, https://www.sec.gov/Archives/edgar/data/1733294/000119312520167812/d924849d424b4.h

  7. Slide 7: Therapeutic pipeline

    Therapeutic pipeline †: FDA Orphan Drug Designation; ¤: FDA Rare Pediatric Disease Designation; •: Fast-track Designation; Δ: FDA RMAT designation; ‡: EMA Orphan Drug Designation; §: EMA PRIME Designation. All pipeline compounds are investigational, being evaluated in clinical or pre-clinical studie

  8. Slide 8: Aesthetics pipeline

    Aesthetics pipeline © Copyright 2021 Krystal Biotech, Inc. All rights reserved. All pipeline compounds are investigational, being evaluated in clinical or pre-clinical studies.

  9. Slide 9: Platform supported by in-house manufacturing capacity and expertise

    Platform supported by in-house manufacturing capacity and expertise Established process conducted at Krystal’s end-to-end GMP facility (Ancoris) Maintains control of IP/trade secrets relating to manufacturing process Adheres to internal process and production schedules, avoiding use of high demand g

  10. Slide 10: Initial focus on rare skin diseases led to rapid clinical POC and pipeline

    Initial focus on rare skin diseases led to rapid clinical POC and pipeline © Copyright 2021 Krystal Biotech, Inc. All rights reserved.

  11. Slide 11: Dystrophic epidermolysis bullosa (DEB)

    Dystrophic epidermolysis bullosa (DEB) DEBRA International, http://www.debra-international.org/epidermolysis-bullosa/causes-and-subtypes.html; http://www.debra-international.org/what-is-eb/causes-and-subtypes/deb.html Pfendner EG, Lucky AW. Dystrophic Epidermolysis Bullosa. 2006 Aug 21 [Updated 2015

  12. Slide 12: Beremagene geperpavec (B-VEC) for DEB

    Beremagene geperpavec (B-VEC) for DEB Blister Untreated DEB Patient Skin B-VEC-treated Skin 1 Keratinocytes Dermoepidermal Junction Fibroblasts Anchoring Fibrils (Collagen VII) B-VEC 2 3 Nucleus COL7 transcripts COL7 protein Keratinocyte (or Fibroblast) Cell 4 1 B-VEC enters the compromised skin of

  13. Slide 13: Topical B-VEC was evaluated in a Phase1/2 study

    Topical B-VEC was evaluated in a Phase1/2 study GEM1/2 (NCT03536143) was an intra-patient comparison of wounds randomized to receive either topical B-VEC or placebo. Each patient on-study for ~6 months; 3 months of on-site visits followed by 3-month at-home imaging period Study PI: Dr. Peter Marinko

  14. Slide 14: Repeat doses of topical B-VEC were well tolerated; COL7 expression established

    Repeat doses of topical B-VEC were well tolerated; COL7 expression and molecular correction established In the Ph1/2 trial, the number of repeat doses per wound ranged from 4 to 41; the PFU per wound ranged from 1e8 to 8e8 No treatment-related serious AEs were reported; AEs deemed possibly related w

  15. Slide 15: Time course of B-VEC vs. placebo treated wounds

    Time course of B-VEC vs. placebo treated wounds - patient 5 (age 13) B-VEC is an investigational therapy being studied in clinical trials © Copyright 2021 Krystal Biotech, Inc. All rights reserved. B-VEC Placebo 3.6 cm2 Baseline Day 30 Day 60 Day 90 Dose: 3x108 PFU per dose Dosing days: 1, 2, 3, 4,

  16. Slide 16: B-VEC showed statistically significant benefit in wound healing relative to placebo

    B-VEC showed statistically significant benefit in wound healing relative to placebo B-VEC is an investigational therapy being studied in clinical trials © Copyright 2021 Krystal Biotech, Inc. All rights reserved. 78.6% of B-VEC treated wounds vs. 0% of placebo treated wounds were completely closed a

  17. Slide 17: The pivotal GEM-3 study is ongoing; top line data expected in 4Q21

    The pivotal GEM-3 study is ongoing; top line data expected in 4Q21 GEM-3 (NCT04491604) is a randomized, double-blind, intra-patient comparison of wounds randomized to receive either topical B-VEC or placebo Each patient on-study for approximately 7 months: the 6-month dosing period followed by a 30-

  18. Slide 18: Phase 3 trial is well powered and inclusive of a broad patient population

    Phase 3 trial is well powered and inclusive of a broad patient population Screening 6-month Treatment Period 30-day Safety OLE Dosing: Primary wounds will be treated once weekly with a fixed dose until wound closure; should a wound re-open, weekly dosing will resume at the assigned dose until wound

  19. Slide 19: Autosomal Recessive Congenital Ichthyosis associated with TGM1 mutations

    Autosomal Recessive Congenital Icthyosis associated with TGM1 mutations Autosomal Recessive Congenital Ichthyosis (ARCI) Associated with TGM1 The most common form of ARCI is caused by an inactivating mutation in the TGM1 gene encoding the enzyme transglutaminase-1, a protein that is essential for th

  20. Slide 20: KB105 for TGM1 associated ARCI

    KB105 for TGM1 associated ARCI 3 TGM1 transcripts are generated, which allows the cell to produce functional TGM1 protein that localizes to the cell membrane 2 KB105 is transported into the nucleus of transduced cells and the vector genome is deposited (episomally) 1 KB105 enters permeabilized skin

  21. Slide 21: KB105 is being evaluated in a Phase 1/2 study

    KB105 is being evaluated in a Phase 1/2 study The Ph1/2 trial (NCT04047732) is an open label, intra-patient comparison of KB105 and placebo Each patient on-study for four to six months Study PI: Dr. Amy Paller (Northwestern University) Design Enrollment Key Endpoints 4 TGM1-ARCI subjects were enroll

  22. Slide 22: Phase 1/2 data shows repeat dosing of KB105 to be well tolerated

    Phase 1/2 data shows repeat dosing of KB105 to be well tolerated; molecular and phenotypic improvement evident Repeat dosing with KB105 was well tolerated with no drug related AEs and no immune response to HSV or TGM1 No vector shedding detected in swabs, blood or urine in all three patients Biopsie

  23. Slide 23: Leveraging platform to target new tissues and larger indications

    Leveraging platform to target new tissues and larger indications © Copyright 2021 Krystal Biotech, Inc. All rights reserved.

  24. Slide 24: HSV-1 has potential beyond rare skin diseases

    HSV-1 has potential beyond rare skin diseases B-VEC (COL7) for DEB KB105 (TGM1) for TGM1-ARCI KB104 (SPINK5) for Netherton’s Disease Additional preclinical candidates Wild-type HSV-1 Krystal’s Current Platform HSV-1 has natural affinity for epithelial cells, in addition to several other cell types,

  25. Slide 25: KB407 for cystic fibrosis

    KB407 for cystic fibrosis Gene therapy approaches have been tried and failed in their attempts to replace CFTR protein Viral (adenovirus and AAV) and non-viral (DNA plasmids and stabilized mRNA) approaches have been tested in more than 25 clinical trials enrolling >470 patients Past approaches suffe

  26. Slide 26: Preclinical data supports KB407 in CF and broader development in lung disease

    Preclinical data supports KB407 in CF and broader development in lung disease Robust, dose-dependent CFTR expression and functional correction in 2D airway epithelial cell culture KB407-mediated functional correction of CF phenotype in clinically relevant 3D organotypic system (HUB) *Van Mourik et a

  27. Slide 27: KB301 for aesthetic indications

    KB301 for aesthetic indications KB301 aims to increase neocollagenesis, thereby correcting the underlying molecular defect of the aged phenotype Dermal collagen, composed primarily of types 1 and 3 collagen fibrils, represents >90% (dry weight) of human skin Declining levels of collagen are caused b

  28. Slide 28: Financials and Milestones

    Financials and Milestones © Copyright 2021 Krystal Biotech, Inc. All rights reserved.

  29. Slide 29: Krystal summary

    Krystal summary Current Status and Milestones Rare Skin B-VEC: Pivotal GEM-3 trial ongoing with topline data expected 4Q21. Commercial planning in US and EU underway KB105: Phase 2 study ongoing; Initiation of dosing in next Phase 2 cohort in 2022 KB104: IND filing in 2022 Jeune Aesthetics, Inc KB30

  30. Slide 30: The Leader in Redosable Gene Therapy for Rare Disease

    The Leader in Redosable Gene Therapy for Rare Disease August 2021 © Copyright 2021 Krystal Biotech, Inc. All rights reserved.

Krystal Biotech — Investor Presentation (August 2021) on 6ix