Idorsia launches Phase 2 psoriasis trial in 30 patients of oral CCR6 antagonist, readout due Q1 2027

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On January 6, 2026 Idorsia initiated a placebo-controlled Phase 2 trial of oral CCR6 antagonist IDOR-1117-2520 in 30 moderate-to-severe psoriasis patients, measuring PASI score; data are expected in Q1 2027. IDOR-1117-2520, a CCR6 antagonist, blocks Th17 cell migration via CCR6/CCL20 axis and could enable expansion into other Th17-driven autoimmune indications.

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