Aclaris Therapeutics
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Aclaris Therapeutics (ACRS) investor relations material

Aclaris Therapeutics Guggenheim Securities Emerging Outlook: Biotech Summit 2026 summary

Complete event summary combining all related documents: earnings call transcript, report, and slide presentation.
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Guggenheim Securities Emerging Outlook: Biotech Summit 2026 summary12 Feb, 2026

Pipeline overview and development updates

  • Focus on large and small molecule therapeutics, including TSLP monoclonal antibody and bispecifics, with key readouts expected in late 2026.

  • TSLP monoclonal antibody in a 90-patient phase II study for atopic dermatitis, aiming for best-in-class efficacy and potential for extended dosing intervals of 2-3 months.

  • Bispecific antibody targeting TSLP and IL-4R demonstrated a 26-day half-life and strong target engagement in healthy volunteers, with phase 1b studies in AD and asthma underway.

  • Oral ITK/JAK3 inhibitor (ATI-2138) showed strong efficacy and safety in atopic dermatitis, with lead indication selection imminent.

  • Next-generation ITK-selective compounds, including ITK/TXK variants, are advancing toward IND filings, with clinical entry expected in the coming months.

Clinical and mechanistic insights

  • TSLP antibody outperformed Tezspire in potency and showed high EASI-75 and IGA 0/1 rates in prior studies, supporting its advancement.

  • Bispecific approach aims for deeper and broader efficacy by targeting both TSLP and IL-4R, addressing both T2 high and T2 low asthma and atopic dermatitis populations.

  • Injection site reactions were the most common adverse event for the bispecific, but were mild, transient, and not dose-related.

  • Phase 1b studies in severe AD and moderate asthma are designed for robust PK/PD and efficacy readouts, with endpoints aligned to industry standards.

  • ITK inhibitors leverage covalent binding for selectivity and potency, overcoming historical challenges with reversible inhibitors.

Competitive positioning and future outlook

  • ITK/JAK3 inhibitor ATI-2138 demonstrated balanced, potent activity and favorable safety, with potential differentiation from existing JAK inhibitors.

  • Indications under consideration include alopecia and lichen planus, with head-to-head data suggesting superior efficacy versus ritlecitinib.

  • Next-gen ITK-selective compounds offer flexibility to target Th2/Th17 or Th1 biology, broadening potential indications.

  • Safety profile of ITK inhibitors is expected to be favorable, with less global immunosuppression compared to other JAK inhibitors.

  • Oral small molecules are positioned as complementary to biologics, with significant market opportunity across multiple immune-mediated diseases.

ATI-052 dosing interval expectations?
ATI-2138's competitive edge in JAK3/ITK space?
ITK/TXK selectivity impact on indication strategy?
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Next Aclaris Therapeutics earnings date

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Oppenheimer 36th Annual Healthcare Life Sciences Conference26 Feb, 2026
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Oppenheimer 36th Annual Healthcare Life Sciences Conference26 Feb, 2026

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Frequently asked questions

Aclaris Therapeutics Inc. is a clinical-stage biopharmaceutical company primarily engaged in the development of novel drug candidates for immuno-inflammatory diseases. Leveraging its core expertise in drug discovery, development, and kinase inhibition, Aclaris focuses on creating small molecule therapies for people affected by underserved immuno-inflammatory conditions. Its proprietary KINect® technology platform enables the development of clinical candidates targeting challenging kinases with novel approaches. Additionally, Aclaris operates Confluence Discovery Technologies, Inc., a full-service drug discovery and early development contract research organization. This subsidiary offers research partnership services across therapeutic areas and gene families, with expertise in a range of scientific disciplines including cell and molecular biology, biochemistry, enzymology, and immunology. he company is headquartered in Wayne, Pennsylvania, and its shares are listed on the Nasdaq.

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