Theriva Biologics, Inc. · AMEX:TOVX

Theriva Biologics — Synthetic Biologics — 2017 Biotech Showcase

30 slides from Theriva Biologics's conference presentation, Jan 9, 2017

  1. Slide 1: 2017 Biotech Showcase

    2017 Biotech Showcase Investor Presentation January 9, 2017

  2. Slide 2: Forward-Looking Statements

    Forward - Looking Statements This presentation includes forward - looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 , as amended, on Synthetic Biologics’ current expectations and projections about future events . In some cases forward - looking statements

  3. Slide 3: Management Team

    Management Team • Jeffrey Riley, CEO Pfizer, Nichols Institute (Quest), SmithKline Beecham, QIC • Steven Shallcross , CFO Vanda Pharmaceuticals, Inc., Empire Petroleum Partners, LLC, Innocoll AG (formerly privately held Innocoll Holdings, Inc.) • Joseph Sliman , MD, MPH, SVP Clinical/Regulatory Vand

  4. Slide 4: Company Strategy

    Company Strategy Pioneering and developing therapeutics focused on protecting the gut microbiome Core Advancing two lead microbiome - focused drugs with billion - dollar market potential poised for pivotal trials Future Growth Robust pipeline of preclinical therapeutic programs designed to enhance p

  5. Slide 5: Product Pipeline

    Product Pipeline C - Cedars - Sinai Medical Center collaboration I - Intrexon Corporation collaboration T - The University of Texas at Austin collaboration Therapeutic Area / Product Candidate Discovery Preclinical Phase 1 Phase 2 Phase 2b/3 IBS - C SYN - 010 C Oral modified - release lovastatin lac

  6. Slide 6: Recent Highlights

    Recent Highlights 6 SYN - 010 : IBS - C Milestone Phase 2 (1st study; acute, placebo - controlled) √ 4Q 2015 – Reported Supportive Phase 2 topline data Phase 2 (2nd study; extension, SYN - 010 42mg) √ 1Q 2016 – Reported Supportive Phase 2 topline data Completed end of Phase 2 Meeting with FDA √ Summ

  7. Slide 7: The Human Microbiome

    Source: http://commonfund.nih.gov/hmp/overview.aspx US National Library of Medicine. Image source: Ottman N, et al. (2012) The function of our microbiota: who is out there and what do they do? Front. Cell. Inf. Microbio . 2:104. Human Microbiome > 1,000,000 Genes Human Genome 23,000 Genes 99% of Gen

  8. Slide 8: The Human Microbiome

    Source: http://commonfund.nih.gov/hmp/overview.aspx US National Library of Medicine. Image source: Ottman N, et al. (2012) The function of our microbiota: who is out there and what do they do? Front. Cell. Inf. Microbio . 2:104. The Human Microbiome Helps digest food, keep the immune system operatin

  9. Slide 9: Diseases Directly Influenced by the Gut Microbiome

    Source: Belizário JE and Napolitano M (2015) Human microbiomes and their roles in dysbiosis , common diseases, and novel therapeutic approaches. Front. Microbiol . 6:1050. Diseases Directly Influenced by the Gut Microbiome Microbial communities provide ample therapeutic opportunities 9 Vagina Microb

  10. Slide 10: SYN-004 (ribaxamase): Prevention of C. difficile Infection, AAD, and AMR

    SYN - 004 (ribaxamase) Prevention of C. difficile Infection, AAD, and Antimicrobial Resistance (AMR)

  11. Slide 11: C. difficile Infection (CDI): a Growing Epidemic

    C. difficile Infection (CDI): a Growing Epidemic Support from CDC, Department of Health & Human Services and CMC to reduce CDI 11 #1 Hospital - acquired infection in the U.S. 453,000 Patients in the U.S. infected with C. difficile annually 1 4 ̶ 7 Extra days spent in hospital by CDI patients 2 25% P

  12. Slide 12: Antibiotic Resistance: Public Policy Tailwind

    Antibiotic Resistance: Public Policy Tailwind CDC BAA – 2016 • Microbiome assessment and intervention to address antibiotic - mediated antimicrobial resistance (AMR) SYN awarded CDC contract to evaluate ability of ribaxamase to prevent AMR WHO OSTP National Microbiome Initiative - 2016 • Integrated

  13. Slide 13: SYN-004: A potential paradigm shift through prevention and protection

    Gaming Displays & Accessories Services Core PC Business SYN - 004: A potential paradigm shift through prevention and protection of a diverse gut microbiome Ribaxamase Paradigm Current Paradigm Antibiotics • IV β - lactam antibiotic * AND • SYN - 004 (ribaxamase) Good microbes that protect against in

  14. Slide 14: Piglet Model of Antibiotic-Mediated Dysbiosis

    Feces collections Readouts: • Fecal DNA shotgun deep sequencing metagenomics analyses • Antibiotic blood levels Oral ribaxamase (75 mg QID) Days: - 7 - 4 IV Ceftriaxone (50 mg/kg, SID) 0 8 Piglet Model of Antibiotic - Mediated Dysbiosis 2 month old 20 kg piglets N=5 per cohort 7 4 1 2 Blood collecti

  15. Slide 15: Ribaxamase Reduced Propagation of Antibiotic-Resistance Genes

    Ribaxamase Reduced Propagation of Antibiotic - Resistance Genes Ceftriaxone (CRO) increased the frequency of genes conferring resistance to multiple classes of antibiotics, not just beta - lactams Ribaxamase mitigated this increase

  16. Slide 16: SYN-004: Designed to Protect the Microbiome from Antibiotic Damage

    SYN - 004: Designed to Protect the Microbiome from Antibiotic Damage Ribaxamase prevented ceftriaxone - mediated changes in pig fecal microflora 16 Heat map shows log relative abundance of microbial genes in pig feces. Each square represents a microbial species present in an individual microbiome. D

  17. Slide 17: SYN-004 (ribaxamase): Phase 2b Proof of Concept Trial

    SYN - 004 (ribaxamase): Phase 2b Proof of Concept Trial 84 Global Clinical Sites Ceftriaxone + Ribaxamase Ceftriaxone + Placebo Primary Endpoint: • Prevention of C. difficile associated diarrhea (CDAD) Secondary Endpoint: • Prevention of non - C. difficile AAD Exploratory Endpoints: • Evaluate abili

  18. Slide 18: SYN-004: Phase 2b Proof of Concept Trial Study Design

    SYN - 004: Phase 2b Proof of Concept Trial Study Design Fecal microbiome and fecal colonization samples taken 4 weeks Randomized 1:1, 150mg ribaxamase or placebo US Canada Romania Bulgaria Hungary Poland Serbia Diarrhea = 3 or more loose or watery stools in a 24 hour period, samples collected CDI =

  19. Slide 19: SYN-004 (ribaxamase): Phase 2b Topline Results

    New VRE Colonization Data consistent with MoA of protecting the gut microbiome from complications of antibiotic therapy SYN - 004 (ribaxamase): Phase 2b Topline Results P= 0.0002 • Achieved primary endpoint of statistically significant (P=0.045) reduction of CDI • 71.4% relative risk reduction in CD

  20. Slide 20: SYN-004 (ribaxamase): Strong Patent Position

    SYN - 004 (ribaxamase): Strong Patent Position 20 ~ 60 U.S. & Foreign Granted Patents ~25 U.S. & Foreign Pending Patents Patented ribaxamase Composition of Matter Expires 2031 Patented other beta - lactamase Composition of Matter & Uses Expires 2035 Pending Patent Applications • Methods of Manufactu

  21. Slide 21: SYN-004 (ribaxamase): Market Potential

    SYN - 004 (ribaxamase): Market Potential *Estimate based on the following assumptions: Cost of ribaxamase/day of $100 x 117M days of “ribaxamase target” β - lactam antibiotics in 2014 1 Arlington Medical Resources (AMR), a Decision Resources Group Company, 2014 Audits of Acute Care Hospital Antibiot

  22. Slide 22: SYN-010 Treatment of IBS-C

    SYN - 010 Treatment of IBS - C

  23. Slide 23: Irritable Bowel Syndrome with Constipation (IBS-C)

    Irritable Bowel Syndrome with Constipation (IBS - C) 23 Data confirmed that IBS is a long - term condition, with 1/3 of IBS sufferers having experienced IBS symptoms for over 10 years An estimated 10 - 15% of the population suffers from IBS IBS is a prevalent disorder that significantly impacts work

  24. Slide 24: The Role of Methane in the Gut Microbiome

    The Role of Methane in the Gut Microbiome SYN - 010: a proprietary modified - release formulation of lovastatin lactone 24 Bacteroides thetaiotaomicron is one such bacterium Carbohydrates Methanobrevibacter smithii archea consumes hydrogen gas from Bacteroides and produces methane, which is lost fro

  25. Slide 25: SYN-010: Key Differentiators

    SYN - 010: Key Differentiators No serious adverse events reported in clinical trials SYN - 010 is a proprietary, modified - release formulation of lovastatin lactone that is optimal for reducing methane - production by certain microorganisms ( M. smithii ) in the gut 25 Intended to minimize disrupti

  26. Slide 26: SYN-010 Phase 2: Twelve Week Evaluation in IBS-C Patients

    SYN - 010 Phase 2: Twelve Week Evaluation in IBS - C Patients SYN - 010 reduced breath methane and improved IBS - C symptoms 1 - Least - squares linear regression modeling 2 - Paired t - test vs Baseline (Day 1). A Monthly Responder is defined as a subject who has a weekly response in at least 50% o

  27. Slide 27: IBS-C Market Overview

    Product Candidate SYN - 010 * Linzess Amitiza OTC Laxatives Plecanatide Tenapanor Company Synthetic Allergan Takeda Various Synergy Ardelyx Phase/Status Planned pivotal 2b/3 Marketed Marketed Marketed Phase 3 Phase 3 Designed to treat underlying cause of IBS - C Designed to treat symptoms w/o causin

  28. Slide 28: SYN-010's Strategic Patent Position

    SYN - 010’s Strategic Patent Position 28 ~60 U.S. & Foreign Granted Patents ~20 U.S. & Foreign Pending Patents Patented Methods of Treatment (Broadest Indication) Expires 2023 Patented and Pending Methods of Treating Constipation with SYN - 010 in Screened Patients Expires 2034 Pending Patent Applic

  29. Slide 29: Anticipated SYN-010 Phase 3 Pivotal Trials Design

    Once daily, oral dosing Anticipated SYN - 010 Phase Pivotal Trials Design A randomized, 1:1:1, double - blind, placebo - controlled clinical study *An overall (12 - week) responder is defined as a subject who has a weekly response in at least 50% of the weeks in the 12 - weeks t reatment period. Pri

  30. Slide 30: 2017 Biotech Showcase

    2017 Biotech Showcase Investor Presentation January 9, 2017 SYN – January 7, 2017 Draft V4 VP

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