On 1 April 2025, Organon announced that it has acquired from Biogen the US regulatory and commercial rights to Tofidence™, biosimilar to Roche’s Actemra® (tocilizumab). Product developer Bio-Thera Solutions will continue to manufacture the product.
Tofidence™ was the first US approved tocilizumab biosimilar (IV formulation, September 2023), followed by Fresenius Kabi’s Tyenne® (SC formulation, March 2024) and Celltrion’s Avtozma® (IV and SC formulations, February 2025).