Abstract:We have tested a variety of naturally isolated and synthetic carbohydrate and peptide cancer antigens conjugated to keyhole limpet hemocyanin (KLH) plus an immunological adjuvant in pre clinical studies and clinical trials. The strength of the IgM and IgG antibody response was in each case determined by the potency of the immunological adjuvant, and the saponin fraction QS-21 was consistently the optimal adjuvant. However, there are draw backs to the use of QS-21 including local and systemic toxicity at immuno… Show more
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