Developing Novel Treatments for Autoimmune Diseases - January 2020

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Developing Novel Treatments for Autoimmune Diseases - January 2020
Developing Novel Treatments for
      Autoimmune Diseases
             January 2020

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Developing Novel Treatments for Autoimmune Diseases - January 2020
New Immunometabolic Targets Addressing Unmet Needs in Autoimmunity

Pioneering Research Platform
• Advanced computational platform applied to the discovery of new therapeutic targets
• Top targets identified and validated experimentally (LANCL2 and NLRX1)

Clinical Stage Asset
 • Lead asset, BT-11 is an orally active, gut-restricted, first-in-class therapeutic with limited systemic exposure and a benign safety profile
 • BT-11 entered Phase 2 clinical trials in UC and planning CD studies

Pipeline
• Assets in several autoimmune indications (Lupus, Irritable Bowel Syndrome, Rheumatoid Arthritis, Multiple Sclerosis, Type 1 Diabetes)
• First-in-class compounds with oral route of administration

Strong IP and Financial Position
• Composition of matter and method of use IP with long patent life
• $10M Series A with Perceptive Advisors in 2017 & $60M Series B co-led by Perceptive Advisors and RTW Investments in 2019

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Developing Novel Treatments for Autoimmune Diseases - January 2020
Landos Accomplishments

                 2017                                        2018                                          2019
• Company founded                            • IND filed for BT-11 in UC              • Initiated patient enrollment for Phase 2 UC

• Medicinal Chemistry and preclinical        • IND filed for BT-11 in CD              • Publishing of Phase 1 data BT-11 in
  testing on oral, gut-restricted LANCL2                                                Inflammatory Bowel Diseases
  agonists in 5 mouse models                 • BT-11 tablet formulation completed
                                                                                      • NX-13 composition of matter patent issued
• BT-11 composition of matter patent         • Completed pig studies
  issued                                                                              • Initiated Phase 2 study set for CD
                                             • BT-11 clinical development initiated
• BT-11 publication in J. Med Chem.                                                   • NX-13 publications in J. Immunology and
                                             • BT-11 translational publication in       Drug and Chemical Toxicology
• $10M Series A                                Inflammatory Bowel Diseases
                                                                                      • Initiated NX-13 Preclinical studies
• Scaled up manufacturing of BT-11           • NLRX1 publication in Frontiers of
                                               Immunology                             • Initiated Phase 2 UC study
• Initiated IND-enabling studies for BT-11
                                             • Completed BT-11 Phase 1 trial          • $60M Series B round

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Developing Novel Treatments for Autoimmune Diseases - January 2020
Landos Leadership Team

        Dr. Josep Bassaganya-Riera                   Dr. Andrew Leber
        Chairman, President, and CEO                 Scientific Director
        Biotech entrepreneur and innovator with 20   His expertise spans immunology and
        years of scientific innovation in drug       development for autoimmune disease with
        development, business development and        specific focus on immunometabolism and
        fundraising experience.                      development of therapeutics for CD & UC.

        Dr. Raquel Hontecillas                       Jennifer Collette, MSA, CPA
        Chief Scientific Officer                     Finance Director
        20 years of translational experience in      15 years of experience in accounting and
        immunology, drug development, and the        financial systems. Her expertise is in
        biotech industry focusing on infectious,     technical & project accounting, budgets,
        autoimmune, and metabolic diseases.          controls, and financial reporting.

        Jyoti Chauhan, MS, RAC                       Dr. Simon Lichtiger
        Executive Director, Global Clinical Ops &    Medical Director
        Regulatory Compliance                        Clinical gastroenterologist and internal
        Expertise encompassing strategic             medicine expert with over 40 years of
        regulatory liaising with focus on policy     experience in CD and UC Phase 2 & 3
        analysis and filings, product development    clinical trials.
        lifecycle & clinical trials management.

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Developing Novel Treatments for Autoimmune Diseases - January 2020
Landos Board of Directors

         Dr. Josep Bassaganya-Riera
         Chairman, President and CEO

         Chris Garabedian
         Xontogeny Perceptive Advisors
         Board Member

         Konstantin Poukalov
         Perceptive Advisors
         Board Member

         Rod Wong
         Managing Partner, RTW Investments
         Board Member

                                             5
Developing Novel Treatments for Autoimmune Diseases - January 2020
Landos Clinical Advisory Board for CD & UC

       Fabio Cominelli, MD                             Jean-Frederic Colombel, MD
       Director of the UH Case Medical Center,         Director of the Helmsley IBD Center at Mount
       Cleveland, OH.                                  Sinai, NYC, NY.

                                                       Maria T. Abreu, MD
       William Sandborn, MD
                                                       Faculty of University of Miami Health System,
       Chief, Division of Gastroenterology
                                                       Miami, FL.
       and Professor of Medicine at UC San
       Diego Health, CA.

       Francisco A. Sylvester, MD                      Asher Kornbluth, MD
       Division Chief for Pediatric Gastroenterology   Clinical Professor, Mount Sinai School of
       at UNC Chapel Hill, NC.                         Medicine, NYC, NY.

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Developing Novel Treatments for Autoimmune Diseases - January 2020
Broad Pipeline of Candidates with Novel Mechanisms

                                              Upcoming Milestones
                                    Q3 2020: Phase 2 UC BT-11 Data Readout
                                    Q3 2020: Clinical testing of NX-13

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Developing Novel Treatments for Autoimmune Diseases - January 2020
Projected Milestones

                     2020                                      2021

• Begin dosing BT-11 Phase 2 in CD             • Begin dosing for BT-11 Phase 3 study in CD

• Scale up manufacturing of NX-13              • Begin NX-13 Phase 2 study in UC

• Begin NX-13 Phase 1 human trial              • Begin BT-104 Phase 1 human trial

• Double the number of employees               • Begin BT-111 Phase 1 human trial

• Data readout for BT-11 Phase 2 study in UC   • Data readout for BT-11 Phase 2 CD study

• Initiate BT-11 Phase 3 study in UC

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Developing Novel Treatments for Autoimmune Diseases - January 2020
Advanced Computational Target Discovery Engine
                                                             Applying AI to New Therapeutic Target Identification

• Machine learning/AI-based analysis of gene
  expression and proteomic data from multiple sources

  • Identifies blindspots, or missing linkages, in
    regulatory and immunometabolic pathways at
    critical nodes for control

• AI-based filter for prognostic druggability for targets
  (i.e., localization, binding domains, interactions)

• Modeling at multiple scales using ordinary
  differential equation/agent-based modeling

• Accelerate development of new targets based on
  predictive potency

  • Platform has led to identification of five new targets

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Developing Novel Treatments for Autoimmune Diseases - January 2020
BT-11 Selectively Activates Novel Target LANCL2 in the Gut

                                                             10
BT-11 Acts to Reduce Inflammation Through Multiple Mechanisms

 • BT-11 Multimodal MoA:                                                            BT-11
   – Decreases the production of inflammatory mediators tied to
     IBD (TNF⍺, IFNγ, MCP1, IL-6, and IL-8)
   – Increases anti-inflammatory molecules in Tregs that protect                  LANCL2
     from autoimmunity (IL-10, FOXP3)

 • BT-11 generates suppressive regulatory CD4+ T cells                  AC
                                                                                                  5’AMP
                                                                                    cAMP
   (Tregs) that restore and maintain immune tolerance in
   the GI tract
   – Decrease proliferation and differentiation of effector CD4+ T          PKA             ATP
     cells (Th1 and Th17)
   – Aid in epithelial cell and support the reduction of IL-8 and
     chemokine-dependent neutrophil influx                                        Activates IL-10 & FOXP3
                                                                     CREB
                                                                                  Inhibits TNF-⍺ & IFN-γ
   Leber, A., et al. J Immunol, 2019.

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Oral, gut-restricted small molecule BT-11 activates novel target LANCL2

Lanthionine Synthetase C-Like 2
• Multipronged mechanism of action targeting downstream
  known immunological targets tied to autoimmune diseases,
  including IBD.
• BT-11 enhances CD25/STAT5 signaling to support the stable
  differentiation of regulatory CD4+ T cells with greater anti-
  inflammatory functionality.
• BT-11 increases PDH activity, resulting in increased oxidative
  metabolism supporting FOXP3 stability.
• BT-11 downregulates glycolytic pathways associated with
  TNF-a production and effector CD4+ T cells, including
  production of lactate and over-expression of ENO1.
• BT-11 increases suppressive effects of Tregs due to enhanced
  immune checkpoint surface markers (LAG3 and PD-1).
Leber, A., et al. Inflammatory Bowel Diseases. 2018 24:1978-1991.
Carbo, A., et al. J Med Chem. 2016 Nov 23;59(22):10113-10126.
Leber, A., et al. J Immunol, 2019.

                                                                          12
BT-11 Acts Locally in the GI Tract Without Systemic Distribution

                                            Oral         > 99 %      Intestinal
                                           dosage                    contents

                                                                           8 – 12 %
                                                   0.01 – 0.1 %
                                                                     Intestinal
                                                                       tissue

                                           Blood             Urine

                                         Metabolized

                                                                                      13
BT-11 Rebalances the Human Immune Response

   Treating human PBMCs from Crohn’s disease
  patients with increasing concentrations of BT-11
induced IL-10 production and expression of FOXP3
  while suppressing production of TNF⍺ and IFNγ

                                                     14
Better Preclinical Efficacy vs. Aminosalicylates, JAK inhibitors, anti-TNFα

                      Disease Activity Index                                                 105               % Weight Loss
              5
                                                                                                                 *                   *
                                                                                                                         *                           *
              4                                                                                                                              *

                                                                             % weight loss
                                                                                             100                                                             Vehicle
                                                                 *       *
  Score DAI

              3                                                                                                                                              BT-11
                                                         *
                                                                                                                                                             Anti-TNF alpha
              2
                                                                                              95
                                                                                                                                                             5’ASA
                                                                     ***
              1                                      *** ***
                                           ***
                               *** ***
              0                                                                               0
                  1        2   3       4   5         6       7       8                             1       2         3       4           5       6       7
                               Days Post-DSS                                                                   Days Post-DSS

                      Leukocytic Infiltration wild-type                                            Leukocytic Infiltration LANCL2 -/-
              4                                                                               4

                                                                 *                                                                               *
              3                                  *                                            3
                                                                                                                                 **                          Vehicle
  Score

                                                                                Score
                                                                                                                                                             BT-11
              2                                                                               2
                                                                                                                                                             Anti-TNF alpha
                                                                                                                                                             5’ASA
              1                                                                               1
                                   **
              0                                                                               0
                       1           2           3                 4                                     1         2               3           4
                                                                                                                                                                              15
Highly Favorable Effects on Biomarkers Compared to Existing Treatments

                                                                                                                  Th1
 Oral BT-11 treatment when compared                  80        Calprotectin                   2.5    CD45+ CD4+ CD8- Tbet+ IFNg+
 to other treatment modalities:
                                                                                              2.0
                                                     60

                                                                                 % CD45
                                                                                              1.5
   • Lower fecal calprotectin levels

                                            μg/g
                                                     40

   • Lower Th1 inflammatory cells in the                                                      1.0
                                                                                                            *
     colon                                           20
                                                                 *                            0.5

   • Lower Th17 inflammatory cells in                 0
                                                                 *
                                                                                              0.0
     the colon
   • Higher numbers of Treg anti-                                    Treg                                       Th17
                                                     0.8   CD4+ CD25+ FOXP3+ IL10+             2.0
     inflammatory cells in the colon that                                                            CD3+ CD4+ RORgt+ IL17+
     express FOXP3 and IL-10                         0.6         *                             1.5

                                                                                     % CD45
                                            % CD45
                                                     0.4                                       1.0

                                                     0.2                                       0.5         *
                                                     0.0                                       0.0

                                                                                                                              16
BT-11 Phase 1 Dose-Finding Study in Healthy Volunteers

Completed BT-11 Phase 1 Study (SAD/MAD)

• Study Objective: To assess the safety and tolerability of BT-11 after single and multiple ascending oral dose
  administration in healthy volunteers, and to characterize the PK profile of BT-11
• Study Design: This is a double-blind, placebo-controlled, ascending dose, multicohort trial. The study was
  conducted with a single ascending dose (SAD) phase and a multiple ascending dose (MAD) phase
• Population: Male or female normal healthy volunteers (NHV) aged 18 and over at the time of signing the
  informed consent, no prior use of any prescription medication
• Study Dosing:
  – For SAD five dose target ranges of BT-11 (depending on body weight the doses in each cohort were 7.7 mg/kg;
    25.0 mg/kg; 50.0 mg/kg; 75 mg/kg and 100.0 mg/kg) were evaluated
  – For MAD (once daily for 7 days), three dose target ranges of BT-11 (depending on body weight the doses in
    each cohort were 7.7 mg/kg; 50.0 mg/kg; and 100.0 mg/kg) were evaluated

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Phase 1 Dose-Finding Study Establishes Positive Safety Profile

Oral dosing of BT-11 does not induce systemic immunosuppression (observed with other IBD therapeutics)

                 Single Ascending Dose                              Multiple Ascending Dose

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BT-11 Reaches High Concentrations Within the Gut

• BT-11 is observed in high concentrations in feces after both single- and seven-day dosing
• GI concentrations are 6,000 times higher than Cmax levels found in plasma
• Results confirm that BT-11 is stable within the gut and reaches the rectum in high concentration at proposed low
  dose level (7-14 mg/kg, total doses for the planned Phase 2 studies)

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BT-11 Reduces Calprotectin in Stool, an Indicator of Inflammation in IBD

• Fecal calprotectin is a biochemical measurement of the protein calprotectin in the stool
• Elevated fecal calprotectin indicates the migration of neutrophils to the intestinal mucosa, which occurs during
  intestinal inflammation

                     SAD: Calprotectin (day 2)                              MAD: Calprotectin (day 7)

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IBD Treatment Paradigm
                              Mild to Moderate UC                            Moderate to Severe CD
                                                                                          IL-12/IL-23
                                                                                                Stelara
                                      Immunosuppressants                                                  Oral Approaches S1P1,
Aminosalicylates (5-ASA)                  6-MP, Azathioprine,       TNF-alpha inhibitors                       JAK Pathways
  Balsalazide, Mesalamine             Cyclosporine, Methotrexate    Humira*, Remicade, Cimzia             Xeljanz, Ozanimod, Etrasimod

                    Corticosteroids                                         Alpha-4-beta-7 integrin                      Surgery
                        Prednisone                                                    Entyvio                         Proctocolectomy,
                                                                                                                         Ileostomy

                    *Targeting a projected
                    2024 annual market of           Landos Therapeutic Candidates
                    $4B in UC and $5B in CD                 BT-11 & NX-13
                    (GlobalData)

                                                                                                                                    21
UC and CD Sales – 2019 and Forecasted 2024

BT-11 & NX-13                                 BT-11 & NX-13
 are uniquely                                  are uniquely
positioned to                                 positioned to
    capture                                       capture
patients prior                                patients prior
  to biologics                                  to biologics
  targeting a                                   targeting a
    total UC                                      total CD
 market share                                  market share
 about $4B in                                  about $5B in
      2024                                          2024

                                                        22
Phase 2 Study Design in ulcerative colitis

                                             23
Phase 2 Study Design in Crohn’s disease

                                          24
NX-13: Pipeline Asset Overview

• Indications: Ulcerative Colitis and Crohn’s Disease
• Mechanism of Action: Activation of the NLRX1 pathway to decrease cellular reactive oxygen species and NF-kB
  activation and to reduce differentiation of effector CD4+ T cells.
• Therapeutic Efficacy: Oral efficacy confirmed in 3 mouse models and PBMCs from UC and CD patients
• Drug Profile: NX-13 is orally active, gut-restricted allowing target engagement within the GI tract without systemic
  distribution
• Safety/Tolerability: Benign safety profile up to 1,000 mg/kg p.o. in 7-day rat studies. Full IND-enabling studies
  are ongoing with projected completion by Q2 2020.
• Clinical studies: Phase I studies in normal healthy volunteers and UC patients
    - Safety, Tolerability and Pharmacokinetics of Oral NX-13 in NHVs
    - First Subject to be Dosed: Q2 2020

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NX-13: Potential for Complementary or Combination IBD Therapy

•      NLRX1 is a mitochondria-associated receptor with the ability to modulate immune responses
•      NX-13 has site-specific binding to NLRX1
•      NX-13 increases oxidative phosphorylation in immune cells, resulting in decreased NF-κB activity and
       lower production of inflammatory cytokines
•      Potent effects in IBD models

                                           Calprotectin in Stool

        CD45RBhi adoptive transfer model                           DSS challenge model of colitis

    Leber, A., et al. J Immunol, 2019.
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Summary and Conclusions

    Two Open INDs
   for UC and CD in      • Landos is uniquely positioned to develop new oral, first-in-class
   June and August         therapeutics for autoimmune diseases
         2018
                         • Innovative MoA based on novel targets (LANCL2, NLRX1) with strong
                           intellectual property protection
  Completed Phase 1
     human clinical      • Extensive animal pharmacology, MoA, toxicology, benign safety profile
   trials for BT-11 in     and human translational data
           2018
                         • Committed leadership with autoimmune disease and biopharma
                           industry experience in effectively executing clinical development plans
   Initiated global
   Phase 2 clinical      • Strong financial position with backing of investors co-led by
  study for BT-11 in       Perceptive Advisors, RTW Investments, and a robust crossover
     UC in 2019            syndicate

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Thank you

Dr. Josep Bassaganya-Riera
    jbr@landosbiopharma.com

 www.landosbiopharma.com

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BT-11 & LANCL2 Publications

Leber, A., Hontecillas, R., Zoccoli-Rodriguez, V., Colombel, J-F., Chauhan, J., Ehrich, M., Farinola, N., Bassaganya-Riera, J. Safety,
tolerability and PK of BT-11, an oral, gut-restricted LANCL2 agonist investigational new drug for IBD: A randomized, double-blind,
placebo-controlled Phase 1 clinical trial, Inflammatory Bowel Diseases 2019. PMID: 31077582
Leber, A., Hontecillas, R., Zoccoli-Rodriguez, V., Chauhan, J., Bassaganya-Riera, J. Oral treatment with BT-11 ameliorates IBD by
enhancing Treg responses in the gut. J Immunol, 2019. PMID: 30760618 DOI: 10.4049/jimmunol.1801446
Leber, A., Hontecillas, R., Zoccoli-Rodriguez, V., Ehrich, M., Davis, J., Chauhan, J., Bassaganya-Riera, J. Nonclinical toxicology and
toxicokinetic profile of an oral LANCL2 agonist, BT-11. Int J Tox, 2019. PMID: 30791754 DOI: 10.1177/1091581819827509
Leber A., Hontecillas R. Zoccoli-Rodriguez V, Bassaganya-Riera J. Activation of LANCL2 by BT-11 Ameliorates IBD by Supporting
Regulatory T Cell Stability through Immunometabolic Mechanisms. Inflammatory Bowel Diseases. 2018 24:1978-1991.
PMID: 29718324 PMCID: PMC6241665
Carbo A., Gandour RD, Hontecillas R, Philipson N, Uren A, Bassaganya-Riera J. An N,N Bis(benzimidazolylpicolinoyl)piperazine (BT-11):
A Novel LANCL2-Based Therapeutic for Inflammatory Bowel Disease. J Med Chem. 2016 Nov 23;59(22):10113- 10126. PubMed PMID:
27933891.
Bissel P., Boes K, Hinckley J, Jortner BS, Magnin-Bissel G, Were SR, Ehrich M, Carbo A, Philipson C, Hontecillas R, Philipson N,
Gandour RD, Bassaganya-Riera J. Exploratory Studies With BT-11: A Proposed Orally Active Therapeutic for Crohn's Disease. Int J
Toxicol. 2016 Sep;35(5):521-9. doi: 10.1177/1091581816646356. PubMed PMID: 27230993; PubMed Central PMCID: PMC5033715.

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NX-13 & NLRX1 Publications

Leber, A., Hontecillas, R., Zoccoli-Rodriguez, V., Bienert, C., Chauhan, J. and Bassaganya-Riera, J. Activation of NLRX1 by NX-13
ameliorates IBD through immunometabolic mechanisms in CD4+ T cells. J Immunol, PMID: 31694910

Leber, A., Hontecillas, R., Zoccoli-Rodriguez, V., Ehrich, M., Chauhan, J. and Bassaganya-Riera, J. Exploratory Studies with NX-13: Oral
toxicity and pharmacokinetics in rodents of an orally active, gut-restricted first-in-class therapeutic for IBD that targets NLRX1. Drug and
Chemical Toxicology, PMID: 31650868

Leber, A., Hontecillas, R., Tubau-Juni, N., Zoccoli-Rodriguez, V., Abedi, V., and Bassaganya-Riera, J. NLRX1 Modulates
Immunometabolic Mechanisms Controlling the Host-Gut Microbiota Interactions during Inflammatory Bowel Disease. Front Immunol,
2018. PMID: 29535731

Leber, A., Hontecillas, R., Tubau-Juni, N., Zoccoli-Rodriguez, V., Hulver, M., McMillan, R., Eden, K., Allen, IC., and Bassaganya-Riera, J.
NLRX1 regulates effector and metabolic functions of CD4+ T cells. J Immunol, 2017 PMID: 28159898

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