NCIt definition : A proprietary oil-in-water emulsion specifically designed for combining protein preparations
used in vaccines. SB-AS02B adjuvant contains monophosphoryl lipid A and QS21, a saponin
extracted from the South American tree Quillaja Saponaria Molina. This agent may be
used for formulating cancer-specific vaccine preparations such as those containing
MAGE-3 melanoma protein. (NCI04);