Multiple administrations of anti-tnf antibody

C - Chemistry – Metallurgy – 07 – K

Patent

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Details

C07K 16/24 (2006.01) A61K 39/395 (2006.01) C07K 16/42 (2006.01) C07K 16/46 (2006.01) A61K 38/00 (2006.01)

Patent

CA 2218522

The invention relates to a method of treating an individual having a TNF- mediated disease comprising administering to the individual multiple doses of an anti-TNF antibody wherein the second or subsequent dose is administered during or immediately prior to relapse of the disease. Preferably, the disease is a TNF.alpha.-mediated disease, such as rheumatoid arthritis. The anti-TNF antibody can be a monoclonal antibody or fragment thereof, such as a murine antibody, chimeric antibody or a humanized antibody or fragment thereof. Preferably, the antibody binds to one or more amino acids of human TNF.alpha. (hTNF.alpha.) selected from the group consisting of 87-108 and 59-80. The antibody can bind to the epitope of A2 or cA2. In a preferred embodiment, the antibody is A2 or cA2.

L'invention concerne un procédé pour traiter un individu souffrant d'une maladie liée au facteur nécrosant des tumeurs, consistant à administrer à cet individu des doses multiples d'anticorps anti-TNF, où la seconde dose ou les doses subséquentes sont administrées pendant ou immédiatement avant une rechute due à la maladie. De préférence, la maladie est une maladie liée au facteur TNF.alpha., comme par exemple la polyarthrite rhumatoïde. Cet anticorps anti-TNF peut être un anticorps monoclonal ou l'un de ses fragments, par exemple il peut s'agir d'un anticorps murin, d'un anticorps chimère, d'un anticorps humanisé ou de fragments de ceux-ci. De préférence, l'anticorps se fixe à un ou à plusieurs acides aminés du facteur TNF.alpha. humain (hTNF.alpha.) choisis dans le groupe 87-108 et 59-80. L'anticorps peut se fixer à l'épitope de A2 ou cA2. Dans la forme d'exécution préférée, l'anticorps est A2 ou cA2.

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