On December 3, 2025, Celltrion announced that the FDA has approved a new dose of OMLYCLO (omalizumab-igec), the first and only biosimilar designated as interchangeable with Genentech and Novartis’s XOLAIR (omalizumab). The FDA approved a 300 mg/2mL solution of OMLYCLO in a single-dose prefilled syringed for subcutaneous injection. Dr. Juby…
