Algeta demonstrates radioimmunotherapeutic potential of a tumor-targeting monoclonal antibody labeled with Thorium-227
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Algeta ASA announced the publication of its study demonstrating the potential of monoclonal antibodies (mAbs) labeled with alpha-emitting radionuclides for the targeting and treatment of cancer. Through the application of Algeta's proprietary TH-1 Therapeutic Antibody Enhancement technology, it has been shown that in vivo a Thorium-227 conjugate of the chimeric mAb rituximab retains immunoreactivity against human CD20-positive cells and its biodistribution properties are compatible with therapeutic mAbs developed for oncology indications.
While these initial observations have been made with a mAb already indicated for relapsed or refractory non-Hodgkin's lymphoma, Algeta anticipates this study having broader implications for mAb-alpha emitter conjugates in a therapeutic setting. In particular, given the known affinity of selected alpha-emitting nuclides for skeletal tissues to which a number of solid tumors metastasize, mAb-directed approaches would appear to have therapeutic potential even in advanced stages of cancer.
In view of these results, Algeta is now seeking partner companies committed to the development and commercialization of alpha-particle emitting mAbs as products for the treatment of primary and advanced cancer conditions.
Original publication: J. Dahle et al.; Nuclear Medicine and Biology 2006, 33, 271-279.
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Topic world Antibodies
Antibodies are specialized molecules of our immune system that can specifically recognize and neutralize pathogens or foreign substances. Antibody research in biotech and pharma has recognized this natural defense potential and is working intensively to make it therapeutically useful. From monoclonal antibodies used against cancer or autoimmune diseases to antibody-drug conjugates that specifically transport drugs to disease cells - the possibilities are enormous

Topic world Antibodies
Antibodies are specialized molecules of our immune system that can specifically recognize and neutralize pathogens or foreign substances. Antibody research in biotech and pharma has recognized this natural defense potential and is working intensively to make it therapeutically useful. From monoclonal antibodies used against cancer or autoimmune diseases to antibody-drug conjugates that specifically transport drugs to disease cells - the possibilities are enormous