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Curr Opin Investig Drugs. 2001 May;2(5):635-8.

IDEC-114 (IDEC).

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  • 1Johannes Gutenberg University, Department of Dermatology, Mainz, Germany.


IDEC is developing a PRIMATIZED-anti-B7 antibody (IDEC-114) for the treatment of autoimmune and inflammatory diseases, such as psoriasis and rheumatoid arthritis. It is currently undergoing phase II trials in patients with psoriasis [395813]. A randomized, blind, placebo-controlled, multiple-dose phase II study was initiated in January 2001 to evaluate the potential clinical activity and safety of IDEC-114 in patients with moderate-to-severe psoriasis [395813]. The antibody targets the B7 antigen on the surface of antigen-presenting cells that normally interact with T-cells to initiate an immune response. Antibodies directed at B7 may be useful in preventing unwanted immune responses in autoimmune diseases such as systemic lupus erythematosus, idiopathic thrombocytopenic purpura as well as transplant rejection [178382], [178929]. PRIMATIZED antibodies, genetically engineered from cynomolgus macaque monkey and human components, are structurally indistinguishable from human antibodies. They may, therefore, be less likely to cause adverse reactions in humans, making them potentially suited for long-term, chronic treatment [244805]. IDEC has signed an antibody humanization patent licensing agreement with Protein Design Labs [240591]. IDEC is also collaborating with Mitsubishi-Tokyo (formerly Mitsubishi Kasei) on the development of this antibody [178382].

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