Validation of metastasis-free survival as a surrogate endpoint for overall survival in localized prostate cancer in the era of docetaxel for castration-resistant prostate cancer

Wanling Xie, Praful Ravi, Marc Buyse, Susan Halabi, Philip W. Kantoff, Oliver Sartor, Howard R. Soule, Nigel Clarke, James J. Dignam, Nicholas D. James, Karim Fizazi, Silke Gillessen, Nicolas Mottet, Laura Murphy, Wendy R. Parulekar, Howard M. Sandler, Bertrand Tombal, Scott Williams, Christopher J. Sweeney