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Shattuck Labs (STTK) investor relations material

Shattuck Labs Evercore ISI 8th Annual HealthCONx Conference summary

Complete event summary combining all related documents: earnings call transcript, report, and slide presentation.
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Evercore ISI 8th Annual HealthCONx Conference summary4 Dec, 2025

Scientific rationale and differentiation

  • Targeting the TL1A receptor (DR3) offers potential advantages over ligand-blocking, including reduced immunogenicity and improved efficacy due to stable receptor expression on lymphocytes.

  • Ligand-blocking antibodies form immune complexes that drive high rates of antidrug antibodies (ADA), while receptor-blocking avoids this liability.

  • The receptor is not shed, eliminating immune complex formation and associated toxicity seen in ligand-blocking approaches.

  • Blocking the receptor ensures all TL1A-mediated inflammation and fibrosis are addressed, as TL1A only signals through DR3.

  • Persistent receptor blockade may provide more consistent efficacy compared to chasing pulsatile ligand expression.

Preclinical and clinical progress

  • Preclinical studies in non-human primates showed no evidence of receptor agonism or toxicity at any dose.

  • Phase 1 study in healthy volunteers is about halfway complete, with early indicators supporting a differentiated immunogenicity profile.

  • Receptor occupancy and lack of ADA in phase 1 are expected to provide confidence for efficacy in future patient studies.

  • Chronic toxicology studies are ongoing for both the lead and half-life extended antibody variants, with clinical readiness expected post-study.

  • Plans include rapid transition to phase 2 studies in non-IBD indications, leveraging recent financing.

Competitive landscape and future plans

  • Multiple TL1A programs are advancing, with up to four new indications expected to report data next year.

  • The company is not waiting for backup molecules and is prioritizing non-IBD phase 2 studies.

  • Half-life extension and bispecific antibody programs are in development, with the potential for quick clinical integration.

  • Combination strategies, including DR3 bispecifics with IL-23, are under consideration for future trials.

  • A large phase 2 platform trial with multiple indications and biosimilar combinations is possible within the next few quarters.

Confirm DR3 target's immunogenicity profile
Detail persistent receptor blockade efficacy thesis
Outline DR3 bispecific and half-life extension plans
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Frequently asked questions

Shattuck Labs Inc. is a clinical-stage biotechnology company focused on developing novel immunotherapies for the treatment of cancer and autoimmune diseases. The company leverages its proprietary Agonist Redirected Checkpoint (ARC) platform to create biologic therapies that enhance the body's immune response. Shattuck Labs' technology is designed to modulate immune pathways, potentially improving outcomes for patients with challenging conditions. The company is involved in research and development efforts, advancing its immunotherapy candidates through clinical trials. The company is headquartered in Durham, North Carolina, and its shares are listed on the NASDAQ.

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