Aclaris Therapeutics Highlights Upcoming Atopic Dermatitis Data, ITK Progress

Biotech company outlines clinical milestones for large-molecule and small-molecule pipeline at healthcare conference.

Published on Mar. 10, 2026

Aclaris Therapeutics, a clinical-stage biopharmaceutical company, outlined multiple near-term development milestones across its pipeline during a presentation at the Leerink Partners Global Healthcare Conference. Management emphasized upcoming data readouts for its atopic dermatitis programs, including the TSLP monoclonal antibody ATI-045 in a Phase 2 study and the bispecific ATI-052 in Phase 1 trials. The company also discussed progress with its oral small-molecule ITK inhibitor franchise, including plans to file an IND for a 'next-gen' ITK program in the second half of the year.

Why it matters

Aclaris is positioning itself as a leader in immunology and inflammation, with a focus on developing novel therapies for chronic skin conditions like atopic dermatitis. The upcoming data readouts and pipeline advancements could help validate the company's scientific approach and drive further investment and interest in its programs.

The details

Aclaris outlined plans for its large-molecule programs, including the TSLP monoclonal antibody ATI-045 in a Phase 2 study in moderate-to-severe atopic dermatitis, with results expected in the latter part of 2026. The company also discussed ATI-052, a bispecific that combines the ATI-045 TSLP antibody with an IL-4 receptor component, which is currently in SAD/MAD studies with Phase 1b trials enrolling in moderate asthma and severe AD, targeting readouts by the end of 2026. On the small-molecule side, Aclaris highlighted ATI-2138, which is Phase 2-ready with a long-term toxicology package, as the company selects a lead indication. The company also plans to file an IND for a 'next-gen' ITK program, ATI-9494, in the second half of 2026, touting improved potency and extended half-life compared to competitor molecules.

  • ATI-045 Phase 2 results expected in late 2026.
  • ATI-052 Phase 1b readouts targeted for end of 2026.
  • ATI-9494 IND filing planned for second half of 2026.

The players

Aclaris Therapeutics

A clinical-stage biopharmaceutical company focused on developing novel therapies for dermatologic and inflammatory conditions.

Neal Walker

Chairman and CEO of Aclaris Therapeutics.

Hugh Davis

President and COO of Aclaris Therapeutics.

Roland Kolbeck

Chief Scientific Officer of Aclaris Therapeutics.

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