Biotron Limited · ASX:BIT

Biotron — Shareholder Meeting (October 2007)

23 slides from Biotron's shareholder meeting presentation, Oct 5, 2007

  1. Slide 1: Presentation to Annual General Meeting (ASX cover letter)

    Level 8, 261 George Street Sydney NSW 2000 Tel: (61-2) 9247 8212 Fax: (61-2) 9247 3932 For personal use only E-mail: pnightingale@biotron.com.au Website: www.biotron.com.au 5 October 2007 The Manager Companies Australian Stock Exchange Limited 20 Bridge Street SYDNEY NSW 2000 (23 pages by email) Dea

  2. Slide 2: AGM 5 October 2007

    For personal use only AGM 5 October 2007

  3. Slide 3: Biotron Limited

    BIOTRON LIMITED For personal use only • Developing new generation antiviral drugs with large, expanding world markets. • Current major focus on drugs to treat HIV-1 and Hepatitis C virus. 1 Biotron Limited

  4. Slide 4: Recent Key Highlights

    RECENT KEY HIGHLIGHTS For personal use only • Completed a Phase I human clinical trial of BIT225 – No dose-limiting toxicities – Excellent safety profile with good blood levels of the drug • Achieved estimated therapeutic levels of drug • Hepatitis C virus (HCV) – BIT225 demonstrated excellent activ

  5. Slide 5: BIT – Pipeline of Antiviral Products

    BIT – PIPELINE OF ANTIVIRAL PRODUCTS For personal use only DISCOVERY LEAD PRECLINICAL CLINICAL OPTIMISATION VIRION HIV HCV Flu Dengue Other Biotron’s Project Pipeline by Stage of Development 3 Biotron Limited

  6. Slide 6: BIT – A Novel Approach to HIV Therapy

    BIT 225 – A NOVEL APPROACH TO HIV THERAPY For personal use only • First-in-class new anti-HIV drug • New mode of action • Targets HIV in viral reservoirs in vivo • No existing drugs target this source of HIV in the body 4 Biotron Limited

  7. Slide 7: HIV – High Growth Market

    HIV – HIGH GROWTH MARKET For personal use only • 39.5 million people with HIV/AIDS at end of 2006 • 4.3 million people were newly infected with HIV in 2006 • In 2006 2.9 million people died of HIV/AIDS- related causes • US market alone worth >US$3.3 billion p.a. 5 Biotron Limited

  8. Slide 8: New Treatments Needed

    NEW TREATMENTS NEEDED For personal use only • Resistance is a main cause of antiretroviral therapy failure ~ 26% newly diagnosed patients have resistant strains of virus ~ 78% of late-stage patients develop resistance to existing therapies • Unmet need for new drugs suitable for HAART* therapy that

  9. Slide 9: BIT – A Novel Approach

    BIT 225 – A NOVEL APPROACH For personal use only • BIT-225 is a Viral Protein U (Vpu) inhibitor • No existing drugs target HIV Vpu protein – novel mode of action • Disturbs formation of new virus particles through budding process • Reduces infectivity of virus produced by infected cells 7 Biotron Li

  10. Slide 10: BIT – Targets Different Stage of HIV Life Cycle

    BIT – 225 TARGETS DIFFERENT STAGE OF HIV LIFE CYCLE For personal use only BIT compounds interrupt budding process 8 Biotron Limited

  11. Slide 11: Human Cells Infected with HIV – Untreated and Treated with BIT225

    Human cells infected with HIV – Untreated (A) and Treated with BIT225 (B) For personal use only A B Damaged, non- Healthy HIV infectious HIV 9

  12. Slide 12: BIT – Active in Viral Reservoir Cells

    BIT- 225 ACTIVE IN VIRAL RESERVOIR CELLS For personal use only - Eradication of HIV from reservoirs is essential to prevent development of AIDS - Current HIV drugs cannot eradicate the underlying seat of infection (termed the viral reservoir) BIT DRUGS 10 Biotron Limited

  13. Slide 13: BIT – Profile

    BIT – 225 PROFILE For personal use only • Good stability and half-life in vivo • Excellent safety profile in animals & humans in studies to date • Active against resistant strains of HIV • Synergistic with leading current HIV therapies • Simple chemistry for manufacture • Novel compound - new mechan

  14. Slide 14: BIT225 – HCV Program

    BIT225 – HCV PROGRAM For personal use only • During last 12 months BIT225 shown to have good antiviral activity in preclinical surrogate models of HCV infection • BIT225 highly synergistic with current leading HCV therapies – Triple combination of BIT225 with existing drugs resulted in significantly

  15. Slide 15: Hepatitis C Virus (HCV) Market

    HEPATITIS C VIRUS (HCV) MARKET For personal use only • 4x more prevalent than HIV • 4m patients in US (2.7m chronic infection); 170m worldwide • Worldwide market ~US$2.8 billion currently predicted to expand to >US$10b • US surgeon general considers hepatitis C is one of the most significant public

  16. Slide 16: Clinical Development Program for BIT225 in 07/08

    CLINICAL DEVELOPMENT PROGRAM FOR BIT225 IN 07/08 For personal use only Program for rest of 07/08 FY: 1. Phase Ib/IIa clinical trial in HCV+ patients - Dose-range finding and efficacy study 2. Phase Ib clinical trial in HIV+ patients - Repeat-dose study - Aim to generate data to lead on to Phase II s

  17. Slide 17: Anticipated Milestones 2007/08

    ANTICIPATED MILESTONES 2007/08 For personal use only BIT225 HIV & HCV Programs: • Submission of protocols to ethics and Q4 07 regulatory authorities • Commencement of Phase Ib/IIa clinical trial Q1 08 in HCV+ patients • Commencement of Phase Ib clinical trial in Q1 08 HIV+ patients • Results of thes

  18. Slide 18: Financial Summary

    FINANCIAL SUMMARY For personal use only • $ 1.38 million cash at 30 June 2007 • Expect to receive additional grant funding from AusIndustry 16 Biotron Limited

  19. Slide 19: Dr Michelle Miller, CEO/Managing Director

    For personal use only Dr Michelle Miller CEO/Managing Director 02 9247 8212 mmiller@biotron.com.au www.biotron.com.au

  20. Slide 20: Commentary for a Presentation to the 2007 AGM

    Level 8, 261 George Street Sydney NSW 2000 Tel: (61-2) 9247 8212 Fax: (61-2) 9247 3932 E-mail: pnightingale@biotron.com.au For personal use only Website: www.biotron.com.au COMMENTARY FOR A PRESENTATION TO THE 2007 ANNUAL GENERAL MEETING 5 OCTOBER 2007 I am pleased to be able to present this update

  21. Slide 21: For personal use only

    Slide 3 Biotron has an impressive portfolio of clinical and preclinical antiviral programs developing drugs targeting HIV, Hepatitis C virus (HCV), Dengue virus and Influenza virus. BIT225 is in clinical trials for treatment of HIV and HCV. In addition, the Company has earlier stage drug programs fo

  22. Slide 22: For personal use only

    Slide 10 Critically, BIT225 specifically targets HIV in reservoir cells, in contrast to current therapies that work by reducing the levels of HIV in the blood to undetectable levels. However, these drugs have no effect on the underlying reservoir of infected cells where the HIV hides from the immune

  23. Slide 23: For personal use only

    Slide 15 We expect to submit protocols for approval to human ethics committees before end of 2007, with trials in HIV and HCV patient populations expected to commence early in 2008. The trials are expected to conclude mid-2008. Slide 16 For personal use only Cash balance at 30 June 2007 was $1.3 mil

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