Treatment of B-cell associated diseases

   
   

Treatment of B-cell associated diseases including autoimmune and B-cell malignancies such as leukemias, lymphomas, using the combination of an anti-CD20 antibody, preferably RITUXAN.RTM. and a radiolabeled anti-CD22 antibody, preferably an .sup.90 Y labeled humanized anti-CD22 antibody, is described. These therapeutic regimens provide for enhanced depletion of B cells, and therefore reduce the risk in B cell malignancy treatment of relapse associated with RITUXAN.RTM. and, moreover, provide for prolonged immunosuppression of B-cell immune responses, especially in the context of autoimmune diseases and transplant.

Il trattamento delle malattie associate B-cellula compreso i malignancies della B-cellula ed autoimmuni quali le leucemie, linfomi, usando la combinazione anti-CD20 di un anticorpo, preferibilmente RITUXAN.RTM. e un anticorpo radioattivo anti-CD22, un sup.90 Y ha identificato preferibilmente l'anticorpo umanizzato anti-CD22, รจ descritto. Questi regimi terapeutici prevedono svuotamento aumentato delle cellule di B e quindi riducono il rischio nel trattamento di malignancy delle cellule di B della ricaduta connesso con RITUXAN.RTM. e, inoltre, prevedono il immunosuppression prolungato delle risposte immunitarie della B-cellula, particolarmente nel contesto delle malattie autoimmuni e del transplant.

 
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