Kyowa Kirin Discontinues All Rocatinlimab Clinical Trials

Reuters03-04
Kyowa Kirin Discontinues All Rocatinlimab Clinical Trials

Kyowa Kirin Co., Ltd. announced it is discontinuing all ongoing clinical trials for rocatinlimab, an investigational anti-OX40 monoclonal antibody being studied in moderate-to-severe atopic dermatitis, moderate-to-severe uncontrolled asthma, and prurigo nodularis. The decision followed a planned safety update from the global program, with Kyowa Kirin and Amgen concluding that potential risks may outweigh benefits for the studied patient populations. A recent safety review identified emerging concerns of malignancies with possible viral or immune-related links, including one new confirmed case and one suspected case of Kaposi's sarcoma in addition to a previously confirmed case; the companies said the overall number of malignancy cases remains below expected background rates. Kyowa Kirin and Amgen said they are notifying investigators and regulators and will terminate studies after required safety follow-up visits, while conducting a comprehensive analysis of the full dataset.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Kyowa Kirin Co. Ltd. published the original content used to generate this news brief on March 03, 2026, and is solely responsible for the information contained therein.

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