Last April there was some preliminary data from the long-term Phase II STAND study presented at 29th Annual European Association of Urology (EAU) Congress that showed that sipuleucel-T (Provenge) when given after the start of androgen deprivation therapy (ADT) seemed to enhance and sustain the immune response in men with a biochemical failure (PSA only) of prostate cancer.

ADT remains the standard treatment option for men with biochemical failure after failure of local therapy. The STAND study is a Phase II randomized trial t