BIRC5 and cancer: DPX-RSV(A) induced antigen-specific antibodies after two immunizations, 56 days apart, which were sustained for at least 180 days, and over a year in the high-dose cohort.14 DPX has also been formulated with cancer antigens and tested in various indications in clinical trials.15,16 The product DPX-Survivac, which contains multiple major histocompatibility complex class I antigens derived from the survivin protein, is in phase 2 clinical evaluation.