Antibody composition-containing medicament

A - Human Necessities – 61 – K

Patent

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Details

A61K 39/395 (2006.01) A61P 9/00 (2006.01) A61P 29/00 (2006.01) A61P 31/04 (2006.01) A61P 31/12 (2006.01) A61P 31/14 (2006.01) A61P 35/00 (2006.01) A61P 37/02 (2006.01) A61P 37/04 (2006.01) A61P 37/08 (2006.01) A61P 43/00 (2006.01) C07K 16/18 (2006.01) C07K 16/28 (2006.01) C07K 16/44 (2006.01) C12N 5/10 (2006.01) C12N 15/09 (2006.01) C12P 21/08 (2006.01) G01N 33/15 (2006.01)

Patent

CA 2481920

A drug containing, as the active ingredient, an antibody composition produced with the use of cells tolerant to a lectin recognizing a sugar chain structure in which an .alpha.-bond is formed between the 6-position of N- acetylglucosamine at the reducing end of an N-glycoside bond-type complex sugar chain and the 1-position of fucose. This drug is appropriate for patients who cannot be treated with a drug containing, as the active ingredient, an antibody composition produced from cells not tolerant to a lectin recognizing a sugar chain structure in which an .alpha.-bond is formed between the 6-position of N-acetylglucosamine at the reducing end of an N- glycoside bond-type complex sugar chain and the 1-position of fucose. A method of screening such a patient using the drug.

Ce médicament contient, comme ingrédient actif, une composition anticorps produite avec des cellules tolérantes à la lectine, reconnaissant une structure de chaîne de sucre dans laquelle est formée une liaison-.alpha. entre la position 6 de N-acétyglucosamine à l'extrémité de réduction d'une chaîne de sucre complexe du type à liaison N-glycoside et la position 1 de fucose. Ce médicament convient à des patients ne pouvant être soignés avec un médicament contenant, comme ingrédient actif, une composition anticorps produite avec des cellules intolérantes à la lectine, reconnaissant une structure de chaîne de sucre dans laquelle est formée une liaison-.alpha. entre la position 6 de N-acétyglucosamine à l'extrémité de réduction d'une chaîne de sucre complexe du type à liaison N-glycoside et la position 1 de fucose. L'invention porte également sur une technique de criblage de ce type de patient utilisant ledit médicament.

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