On March 22, ixekizumab (Taltz®) became the second monoclonal antibody product to be granted a first approval in 2016. Ixekizumab targets interleukin-17A, and it was approved by the Food and Drug Administration for treatment of adults with moderate-to-severe plaque psoriasis. A decision by the European Commission on marketing in the European Union is pending; in February 2016, the European Medicines Agency’s Committee for Medicinal Products for Human Use issued a positive opinion for ixekizumab for the treatment of moderate-to-severe plaque psoriasis in adults in the European Union who are candidates for systemic therapy.

On March 18, obiltoxaximab (ANTHIM®) became the first monoclonal antibody to be approved in 2016. Obiltoxaximab targets the protective antigen of Bacillus anthracis, and it was approved by the Food and Drug Administration for the treatment of inhalational anthrax due to B. anthracis in combination with appropriate antibacterial drugs, and for prophylaxis of inhalational anthrax when alternative therapies are not available or are not appropriate. Administered intravenously, the product is indicated in both adult and pediatric patients. Efficacy studies in animal models of inhalational anthrax served as the basis for the effectiveness of obiltoxaximab in humans.

A total of 8 additional antibody therapeutics are now undergoing their first regulatory review in the European Union and the Unites States, suggesting that the number of approvals for new antibody products in 2016 may meet or exceed the record set in 2015. The Antibody Society maintains a comprehensive table of approved antibody therapeutics and those in regulatory review in these regions. Information about the antibody target, format and year of first approval are included in the table. Please log in to access the table, located in the Members Only section.

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