Abstract
The N. Blokhin National Cancer Research Center is one of the few Russian scientific institutions in which hybridoma technology of monoclonal antibody (mAb) production has been successfully established. Using this technology, several dozens of mAbs to various antigens of human leukocytes have been elaborated. These mAbs are widely used for immune status evaluation and for differential diagnostics of leukemias. Two mAbs were used to develop therapeutic drugs. Imuteran is a pharmaceutical form of mAb ICO-25 against a mucin-like antigen of human milk fat globules and proposed for treatment of epithelial cell-originating cancers (breast, intestinal, ovarian, lung cancer, etc.). ThePhase II clinical study of this agent is now nearly completed, and preliminary results suggest Imuteran to be a promising anticancer agent with tumor-stabilizing activity, but patients should be carefully monitored for signs of allergic reactions. mAb ICO-90 against the CD3 antigen of human T lymphocytes was used to develop the therapeutic agent Atemonate proposed for treatment of acute transplant rejection. At present, the Phase II clinical study of this agent is over, and the results confirm the drug safety and efficacy for this indication. The drug is being registered at the Ministry of Healthcare and Social Development, and transfer to serial production is expected shortly.
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