Hemosorption was carried out in 34 cancer patients. Levels of circulating immune complexes, blastogenic reaction of lymphocytes and E--RFC concentration were assayed before and after treatment. Hemosorption was followed by a significant decrease in circulating immune complex level and an improvement in cell-mediated immunity, which appeared to be in correlation with immediate clinical effect. Thus, hemosorption should be regarded as a deblocking therapy procedure.
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