Actinogen Medical Limited · ASX:ACW

Actinogen Medical — Investor Presentation (December 2024)

36 slides from Actinogen Medical's investor presentation, December 2024

  1. Slide 1: Oral Xanamem

    Oral Xanamem® Controlling brain cortisol to treat depression and slow progression in Alzheimer’s disease Corporate Presentation December 2024 ® Xanamem is a registered trademark of Actinogen Medical Limited

  2. Slide 2: Disclaimer

    Disclaimer • This presentation has been prepared by Actinogen Medical Limited. (“Actinogen” or the “Company”) based on information available to it as at the date of this presentation. The information in this presentation is provided in summary form and does not contain all information necessary to m

  3. Slide 3: Overview

    Overview Corporate Presentation December 2024 3

  4. Slide 4: Xanamem is now significantly de-risked

    Xanamem is now significantly de-risked Novel 11β-HSD1 cortisol control mechanism, oral, attractive safety profile • Brain cortisol has long been proposed as a pathogenic mechanism in Major Depressive Disorder (MDD) and Alzheimer’s (AD) • Unique brain-penetrant tissue cortisol synthesis inhibitor tha

  5. Slide 5: Experienced board and management team

    Experienced board and management team Board of Directors Dr. Geoff Brooke Dr. Steven Gourlay Mr. Malcolm McComas Dr. George Morstyn Dr. Nicki Vasquez Chairman CEO & MD Non-Executive Director Non-Executive Director Non-Executive Director MBBS; MBA MBBS; FRACP; PhD; MBA BEc, LLB; FAICD; SF Fin MBBS; P

  6. Slide 6: Company now in late-stage trials

    Company now in late-stage trials ASX-listed company founded in 2014 • Market Cap ~$90 million • Cash balance of $24.5 million provides runway to at least mid 2026 • Conducted three phase 1 (Australia) and four phase 2 trials (Australia, US and UK) Key shareholders • Biotech Value Fund (BVF) ~8% • CE

  7. Slide 7: State of play for Xanamem programs

    State of play for Xanamem programs Evidence of durable benefit on depression from control of brain cortisol validates the Xanamem program in terms of:  “Cortisol control” mechanism of action  10 mg daily proof-of-concept dose being used in Alzheimer’s phase 2b/3 trial  10 mg daily dose is also su

  8. Slide 8: Xanamem - Pipeline

    Xanamem - Pipeline Indication Preclinical Phase 1 Phase 2 Phase 3 Next Milestone On-going phase 2b/3 Results 25-26 Alzheimer’s disease FDA Type C MDD Phase 2a complete, Phase 2b/3 in planning Open INDs in Q1 25 Fragile X syndrome Phase 2a on hold On hold Bipolar disorder PTSD Potential next indicati

  9. Slide 9: Xanamem – AD and MDD Program Timelines

    Xanamem – AD and MDD Program Timelines* 2024 2025 2026 H1 H2 H1 H2 H1 H2 Phase 2b/3 Alzheimer’s Interim data Final results Phase 3 Alzheimer’s Phase 2a Depression Final results Phase 2b Depression Expert, partner & Phase 3 Depression FDA discussions Ancillary Clinical Pharmacology and Non-clinical S

  10. Slide 10: Xanamem

    Xanamem Corporate Presentation December 2024 10

  11. Slide 11: Once-daily oral treatment with a unique mechanism

    Once-daily oral treatment with a unique mechanism Xanamem is a small molecule tissue cortisol synthesis inhibitor (11β-HSD1 enzyme) Good safety profile in ~400 treated Brain-penetrant at low doses Potentially disease-modifying in AD Anti-depressant activity in phase 2 Low drug interaction potential

  12. Slide 12: Xanamem controls cortisol by inhibition of 11β-HSD1

    Xanamem controls cortisol by inhibition of 11β-HSD11 Controlling brain cortisol2 has potential durable benefits “STRESS” in the brain becomes “CHILL” RAPID changes in kinases, cell function, “Lower stress” shorter term e.g. neurotransmitters over hours to days • Reducing inflammation lead to short-t

  13. Slide 13: Human PET study shows full target engagement

    Human PET study shows full target engagement Other 11β-HSD1 enzyme inhibitors have not achieved adequate brain levels Baseline After 7 days of daily dosing 5 mg Xanamem 10 mg Xanamem 20 mg Xanamem Xanamem extensively binds SUVRcarotid to the 11β-HSD1 enzyme throughout the brain, with high post-treat

  14. Slide 14: Alzheimer's disease program

    Alzheimer’s disease program Corporate Presentation December 2024 14

  15. Slide 15: Alzheimer's disease

    Alzheimer’s disease Strong cortisol control scientific rationale to address huge unmet medical need Rationale Growing Alzheimer’s Disease market – U.S. • Cortisol levels are elevated in brain fluid in Large, unsatisfied and growing market early AD • Chronic corticosteroid treatment leads to # of pat

  16. Slide 16: Anti-amyloid therapy modestly slows AD progression

    Anti-amyloid therapy modestly slows AD progression Ideally patients with AD would not worsen on treatment at all 0.5 Ideal trajectory Worsening of 0 with disease CDR-SB stabilization over 18 months -0.5 Unmet need -1 despite amyloid therapy -1.5 -2 Benefit of donanemab over 18 months -2.5 Worse perf

  17. Slide 17: Xanamem benefit in pTau181-positive AD patients

    Xanamem benefit in pTau181-positive AD patients Phase 2a biomarker study: major slowing of CDR-SB decline (n=34) Xanamem Placebo 0 0.2 0.4 0.36 Xanamem vs. Placebo CDR-SB units 0.6 • Mean 0.6 units Change from • Median 0.8 units Baseline (SE) • p = 0.09 0.8 • Cohen’s d = 0.4 1 0.98 1.2 1.4 Worse Bas

  18. Slide 18: XanaMIA phase 2b/3 trial in Alzheimer's disease

    XanaMIA phase 2b/3 trial in Alzheimer’s disease Initial, interim results in Q3 2025, final results H2 2026 10mg Xanamem Follow-up & open label Screening from Dec 23 Placebo -4 0 36 Weeks 40 Weeks Double-blind, randomised treatment period (N=220) Interim analysis N=100 @ 24 weeks Key Inclusion Criter

  19. Slide 19: Depression program

    Depression program Corporate Presentation December 2024 19

  20. Slide 20: There remains significant unmet need in depression

    There remains significant unmet need in depression Xanamem’s unique mechanism and safety differentiate it from older drugs Scientific rationale U.S. Depression market large unmet need • More than 50 years of research associates • 21M patients have had ≥ 1 MDD episode cortisol with depression • Eleva

  21. Slide 21: XanaCIDD trial design and methods

    XanaCIDD trial design and methods Phase 2, double-blind, proof-of-concept controlled trial to assess safety and efficacy 10mg Xanamem +/- Existing Antidepressant Follow-up Screening Placebo +/- Existing Antidepressant 10 Weeks -4 0 6 Weeks post-treatment Double-blind, randomized treatment period (N=

  22. Slide 22: MADRS from baseline (± SE)

    Xanamem MADRS separation from Week 6 (n=165) All randomized participants Baseline Week 2 Week 4 Week 6 Week 10 PT 0 -2 BETTER PT 2.7-point difference -4 from baseline (± SE) EOT 1.5-point difference Cohen’s d = 0.43 LS mean change Cohen’s d = 0.24 p < 0.05 p = 0.23 MADRS -6 -8 -10 -12 ON TREATMENT F

  23. Slide 23: PGI-S from baseline (± SE)

    Xanamem PGI-S separation from Week 2 (n=165) All randomized participants Baseline Week 2 Week 4 Week 6 Week 10 PT 0 -0.2 BETTER EOT 0.22-point difference -0.4 Cohen’s d = 0.23 p = 0.19 from baseline (± SE) PT 0.28-point difference LS mean change -0.6 Cohen’s d = 0.29 p = 0.12 PGI-S -0.8 -1 -1.2 -1.4

  24. Slide 24: MADRS in patients taking concurrent SSRI

    MADRS in patients taking concurrent SSRI (n=76) Largest co-treatment subgroup Baseline Week 2 Week 4 Week 6 Week 10 0 -2 PT 4.2-point difference BETTER Cohen’s d = 0.64 EOT 2.6-point difference p = 0.03 -4 Cohen’s d = 0.38 from baseline (± SE) p = 0.15 LS mean change MADRS -6 -8 -10 -12 ON TREATMENT

  25. Slide 25: PGI-S benefit in patients taking SSRI

    PGI-S benefit in patients taking SSRI (n=75) Largest co-treatment subgroup Baseline Week 2 Week 4 Week 6 Week 10 PT 0 -0.2 EOT 0.41-point difference Cohen’s d = 0.43 BETTER -0.4 p = 0.08 PT 0.59-point difference Cohen’s d = 0.62 from baseline (± SE) p = 0.03 -0.6 LS mean change -0.8 PGI-S -1 -1.2 -1

  26. Slide 26: Xanamem improves MADRS response rates

    Xanamem improves MADRS response rates (n=165) Increased rates of remission (MADRS < 10) and large (50%) improvements % with ≥ 50% reduction in MADRS % with < 10 points on MADRS 40 30 >50% more >50% more 35 25 30 20 25 20 15 15 10 10 5 5 0 0 Week 2 Week 4 Week 6 Week 10 Week 2 Week 4 Week 6 Week 10 X

  27. Slide 27: Excellent safety profile consistent with prior trials

    Excellent safety profile consistent with prior trials Summary of Treatment-Emergent Adverse Effects (TEAE) Xanamem Placebo Overall N = 82 N = 83 N = 165 Any TEAE 70 (85.4%) 67 (80.7%) 137 (83.0%) TEAE related to trial drug 27 (32.9%) 24 (28.9%) 51 (30.9%) Serious adverse event 0 1 (1.2%) 1 (0.6%) Re

  28. Slide 28: Depression phase 2a conclusions and next steps

    Depression phase 2a conclusions and next steps • Clinically and statistically significant treatment benefits on depressive symptoms for MADRS and patient-reported outcome of severity • Heavily pre/co-treated population with moderate MDD • Consistent depression efficacy across subgroups • Cognition i

  29. Slide 29: Conclusion

    Conclusion Corporate Presentation December 2024 29

  30. Slide 30: Positive momentum as XanaMIA trial accelerates

    Positive momentum as XanaMIA trial accelerates Evidence of durable benefit on depression from control of brain cortisol validates the Xanamem program in terms of:  “Cortisol control” mechanism of action  10 mg daily proof-of-concept dose being used in Alzheimer’s phase 2b/3 trial  10 mg daily dos

  31. Slide 31: Selected upcoming milestones

    Selected upcoming milestones Milestone Likely Timing First patient randomized and treated in US, XanaMIA trial Q4 24 Meetings at JP Morgan Healthcare conference week, San Francisco Q1 25 Clinical pharmacology manuscript peer-reviewed publication Q1 25 FDA Type C meeting for MDD Q1 25 Clinical Trials

  32. Slide 32: Appendix

    Appendix Corporate Presentation December 2024 32

  33. Slide 33: Key references

    Key references Other references see also https://actinogen.com.au/xanamem 11β-HSD1 inhibition Alzheimer’s disease and cortisol • Seckl J. 11β-Hydroxysteroid dehydrogenase and the brain: Not (yet) lost in translation. J Intern Med. 2024 Jan;295(1):20-37. doi: 10.1111/joim.13741. Epub 2023 Nov 8. • Pl

  34. Slide 34: Selected Glossary

    Selected Glossary 1 • 11β-HSD1 – 11 beta HydroxySteroid Dehydrogenase-1 enzyme. Selectively expressed in brain, liver, adipose. • Aβ – Amyloid beta – a type of amyloid protein associated with Alzheimer’s Disease, 42 and 40 are different forms • ACTH – Adrenocorticotropic hormone that regulates blood

  35. Slide 35: Selected Glossary

    Selected Glossary 2 • IQCODE – Informant Questionnaire on Cognitive Decline in the Elderly • MCI – Mild Cognitive Impairment – memory, executive function deterioration with retained functional abilities • MDD – Major Depressive Disorder • MMSE – Mini Mental State Examination – a 30-point scale of si

  36. Slide 36: Contacts

    Contacts Michael Roberts Steven Gourlay Investor Relations CEO & Managing Director P: +61 2 8964 7401 P: +61 2 8964 7401 M: +61 423 866 231 E. steven.gourlay@actinogen.com.au E. michael.roberts@actinogen.com.au Corporate Presentation December 2024 36

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