Aclaris Therapeutics announced the publication of research on ATI-2138, a novel dual inhibitor of ITK and JAK3, currently in development for autoimmune and inflammatory diseases. Preclinical and early clinical data suggest ATI-2138 effectively inhibits key T cell activity implicated in conditions like atopic dermatitis, alopecia areata, and vitiligo. The research underscores the drug’s unique mechanism of action and potential for treating a range of inflammatory conditions.

This development is noteworthy because it validates the dual-inhibition approach targeting both ITK and JAK3. The data suggests that ATI-2138 could offer a more comprehensive treatment strategy compared to existing therapies by addressing multiple pathways involved in immune system dysregulation. This is particularly important for patients with conditions like atopic dermatitis, where current treatment options may not be fully effective or well-tolerated. The research also highlights the potential of ATI-2138 to expand treatment options for other autoimmune and inflammatory diseases with similar underlying mechanisms.

Technical findings demonstrate ATI-2138’s potent and selective inhibition of ITK and JAK3, surpassing the potency of comparable drugs like ritlecitinib in inhibiting TCR-mediated ITK signaling. Furthermore, the drug showed efficacy in preclinical animal models of chronic inflammation. In initial human trials (single and multiple ascending dose studies), ATI-2138 was well-tolerated with no serious adverse events reported. The drug also demonstrated dose- and time-dependent modulation of biomarkers related to ITK and JAK3 activity.

The positive preclinical and early clinical results for ATI-2138 provide a solid foundation for advancing the drug’s development. The data strengthens Aclaris’ position in the field of immunology and suggests that ATI-2138 could become a valuable treatment option for patients with various inflammatory and autoimmune diseases. Further clinical trials are necessary to confirm these findings and explore the full therapeutic potential of ATI-2138 in specific patient populations.

Source link: https://www.globenewswire.com/news-release/2025/02/12/3024875/37216/en/New-Publication-Highlights-Unique-Properties-of-ATI-2138-a-Potent-and-Selective-Inhibitor-of-ITK-and-JAK3.html

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Jon Napitupulu is Director of Media Relations at The Clinical Trial Vanguard. Jon, a computer data scientist, focuses on the latest clinical trial industry news and trends.