01/08/2026 Dr. Reddy’s secures US FDA approval for rituximab biosimilar, expanding its global oncology portfolio with Fresenius Kabi as exclusive US partner Dr. Reddy’s secures US FDA approval for rituximab biosimilar, expanding its global oncology portfolio with Fresenius Kabi as exclusive US partner (Ref) Dr. Reddy’s Laboratories received US FDA approval for its rituximab biosimilar (reference product: Rituxan®), a chimeric monoclonal antibody targeted against the pan-B-cel