Patients’ choice in antibody therapeutics for common immune-mediated disorders such as psoriasis and rheumatoid arthritis (RA) is set to substantially increase in 2017. As of December 1, 2016, marketing applications for 10 antibody therapeutics are being evaluated by either the US Food and Drug Administration (FDA) or European Medicines Agency (EMA) for possible first approvals in the US or EU, respectively. Of these, five (brodalumab, dupilumab, sirukumab, sarilumab, and guselkumab) are being considered as treatments for immune-mediated disorders.
Brodalumab (LUMICEF®) is a human anti-IL-17 receptor A mAb that inhibits biological activity of IL-17A, IL-17F and other IL-17s. The product was granted a first marketing approval from the Ministry of Health, Labour and Welfare in Japan on July 4, 2016 for the treatment of psoriasis vulgaris, psoriatic arthritis, pustular psoriasis, and psoriatic erythroderma. The FDA’s action date for the biologics license application (BLA) is February 16, 2017. A marketing authorization application for brodalumab in psoriasis is undergoing evaluation by EMA. Guselkumab, an IgG1 mAb that targets the IL-23 p19 subunit, is undergoing review by FDA and EMA as a treatment for plaque psoriasis. Dupilumab (Dupixent®), an anti-IL-4Ra IgG4 mAb, is undergoing review by FDA for atopic dermatitis. The mAb has Breakthrough Therapy designation for this indication, and the BLA was granted a priority review. FDA’s action date for the application is March 29, 2017. Sirukumab is a human anti-IL-6 mAb being evaluated by EMA, FDA and the Ministry of Health, Labour and Welfare for the treatment of adult patients with moderately to severely active RA. Sarilumab, a human IgG1 targeting IL-6R, is undergoing review by EMA, FDA and the Ministry of Health, Labour and Welfare in Japan for the treatment of adult patients with moderately to severely active RA. The BLA submitted to FDA has undergone a first review; deficiencies identified were detailed in a complete response letter.
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