Ulmert, David2; Vickers, Andrew J2; Scher, Howard I2; Becker, Charlotte2; Iversen, Peter5; Frankel, David2; Jensen, Jens Kristian Jehrbo4; Olesen, Tine Kold2; Lilja, Hans2
1 Section of Surgery and Internal Medicine, Department of Clinical Medicine, Faculty of Health and Medical Sciences, Københavns Universitet2 unknown3 Department of Clinical Medicine, Department of Clinical Medicine, Faculty of Health and Medical Sciences, Københavns Universitet4 Institut for Byggeri og Anlæg5 Department of Clinical Medicine, Department of Clinical Medicine, Faculty of Health and Medical Sciences, Københavns Universitet
potential for rapid monitoring of treatment responses
The utility of conventional prostate-specific antigen (PSA) measurements in blood for monitoring rapid responses to treatment for prostate cancer is limited because of its slow elimination rate. Prior studies have shown that free PSA (fPSA), intact PSA (iPSA) and human kallikrein-related peptidase 2 (hK2) are eliminated more rapidly after radical prostatectomy. In contrast, all three markers have similarly slow elimination rates after castration induced by gonadotropin-releasing hormone (GnRH) agonists, possibly due to the slow onset of castration. Therefore, we assessed elimination rates of tPSA, fPSA, iPSA and hK2 after rapid induction of castration with degarelix (Firmagon(®)), a novel GnRH antagonist.
Clinical Chemistry and Laboratory Medicine, 2012, Vol 50, Issue 11, p. 1993-8