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Zai Lab Presents New Preclinical Data Suggesting ZL-1503, an IL-13/IL-31Rα Bispecific Antibody, Provides Rapid Itch Relief and Reduction in Inflammation in Atopic Diseases

SHANGHAI & CAMBRIDGE, Mass., April 18, 2026--Zai Lab Limited (NASDAQ: ZLAB; HKEX: 9688) today announced new data from a preclinical study of ZL-1503, demonstrating that the company’s internally developed IL-13/IL-31Rα bispecific antibody may lead to sustained suppression of intense pruritus (itch) and inflammation caused by atopic diseases. The findings, featured in a poster presentation at the IMMUNOLOGY2026 conference in Boston, MA, reinforce the potential of ZL-1503 to be a first-in-class tre

articleZai Lab Ltd.April 18, 20266/company/zai-lab-ltd/news/zai-lab-presents-new-preclinical-data-suggesting-zl-1503-an-il-13il-31ra-bispecific-antibody-provides-rapid-itch-relief-and-reduction-in-inflammation-in-atopic-diseases
Zai Lab Presents New Preclinical Data Suggesting ZL-1503, an IL-13/IL-31Rα Bispecific Antibody, Provides Rapid Itch Relief and Reduction in Inflammation in Atopic Diseases

About this update from Zai Lab Ltd.

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Zai Lab Limitedatopic dermatitisatopic diseasepreclinical studybispecific antibodyZai Labclinical advancementsuppression