Lead scientists representing Biogen and AbbVie presented new data on clinical results from the Phase 3 study DECIDE on the compound ZINBRYTA TM at the 31st Congress of the European Committee for Treatment and Research in MS (ECTRIMS) in Barcelona, Spain. The full results of the 2 to 3-year long Phase 3 study were also published in the New England Journal of Medicine (NEJM), in a manuscript entitled “Daclizumab HYP Versus Interferon Beta-1a in Relapsing Multiple Sclerosis”.
ZINBRYTA TM (daclizumab high-yield process) is a compound being developed by Biogen and AbbVie for the treatment of relapsing-remitting multiple sclerosis (RRMS). It consists of a humanized monoclonal antibody that binds to the receptor subunit CD25 of interleukin-2 (IL-2), highly expressed in immune T-cells. This type of immune cells is overly expressed in MS, so ZINBRYTA theoretically depletes the overly-activated cells and increases cells that regulate the immune response (NK cells). The study DECIDE was designed with the objective of comparing clinical results of subcutaneously-delivered ZINBRYTA (every four weeks) and the commonly used intramuscular injection (IM) of interferon beta-1a.
The results covered a range of clinical measures on MS disease activity, and showed that a greater percentage of patients treated with ZINBRYTA TM exhibited no evidence of clinical disease activity and disease-related lesions (24.6%) in comparison to IM-interferon beta-1a treated patients (14.2%). Furthermore, ZINBRYTA was shown to improve cognitive processing speed, reduce cognitive decline and decrease risk of 24-week disease progression.
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