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Silence Therapeutics (SLN) investor relations material

Silence Therapeutics Jefferies London Healthcare Conference 2025 summary

Complete event summary combining all related documents: earnings call transcript, report, and slide presentation.
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Jefferies London Healthcare Conference 2025 summary19 Nov, 2025

Technology platform and capabilities

  • Utilizes a proprietary small interfering RNA (siRNA) platform called GOLD, targeting hepatocytes via GalNAc ligands.

  • Employs machine learning algorithms for sequence specificity and off-target minimization.

  • Features a chemistry toolbox for compound stability, durability, and potency, supported by a robust IP library.

Clinical programs and pipeline

  • Three clinical programs: SLN360 (Lp(a)), SLN124 (polycythemia vera), and a partnered AstraZeneca compound.

  • SLN360 is phase III ready, pending partnership, with strong regulatory feedback and global trial readiness.

  • SLN124 targets TMPRSS6 for polycythemia vera, currently in phase II, with orphan and fast-track status in the US and EU.

  • AstraZeneca partnership includes up to 10 programs, with the first in phase I and milestone-based payments.

Polycythemia vera program (SLN124)

  • SLN124 increases hepcidin by targeting TMPRSS6, reducing iron to bone marrow and lowering RBC production.

  • Phase I data showed robust hematocrit control below 45% and reduced phlebotomy need in phlebotomy-dependent patients.

  • Improvement in ferritin and iron status observed, with persistent hepcidin elevation post-treatment.

  • Phase II trial completed enrollment early; results expected in early Q3 2025.

  • Differentiation from competitors includes less frequent dosing (Q6 weeks or quarterly) and durable siRNA effects.

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Q4 202526 Feb, 2026
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Frequently asked questions

Silence Therapeutics plc is a biotechnology company that focuses on the discovery and development of therapeutic molecules using RNA interference (RNAi) technology. The company’s proprietary mRNAi GOLD platform is designed to develop short interfering RNA (siRNA) therapies that target and silence specific genes associated with various diseases, particularly in the liver. Silence Therapeutics is involved in developing treatments for cardiovascular conditions, hematological disorders, and rare diseases. Their leading product candidates include Zerlasiran (SLN360) for cardiovascular disease and Divesiran (SLN124) for hematological conditions. Silence Therapeutics plc is headquartered in London, United Kingdom, and its shares are listed on the NASDAQ.

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