On October 5, 2026, Celltrion USA announced that OMLYCLO® (omalizumab-igec) is commercially available in the United States. OMLYCLO® is the first and only FDA-approved interchangeable biosimilar to Genentech and Novartis’s XOLAIR® (omalizumab). As we previously reported, the FDA approved the anti-IgE antibody in March 2025 for all four XOLAIR® indications: moderate…
