Qyuns Therapeutics Co., Ltd. announced that the Phase III clinical trial results for Crusekitug (QX002N), a drug developed for the treatment of ankylosing spondylitis, were presented at the 2025 annual meeting of the American College of Rheumatology (ACR Convergence) in Chicago. The multicenter, randomized, double-blind, placebo-controlled study involved 641 patients across 58 research centers in China. The trial demonstrated that at week 16, the ASAS40 response rate in the Crusekitug group was 40.4%, compared to 18.9% in the placebo group, with statistical significance (P < 0.0001). The ASAS20 response rate for Crusekitug was 65.2%, also significantly higher than the placebo group. The study included a 48-week treatment period and a 4-week safety follow-up.