Simulation studies of surrogate endpoint validation using single trial and multitrial statistical approaches. by Lassere, M, Johnson, K, Hughes, M, Altman, D, Buyse, M, Galbraith, S, Wells, G

Definitions and validation criteria for biomarkers and surrogate endpoints: development and testing of a quantitative hierarchical levels of evidence schema. by Lassere, M, Johnson, K, Boers, M, Tugwell, P, Brooks, P, Simon, L, Strand, V, Conaghan, P, Ostergaard, M, Maksymowych, W, Landewe, R, Bresnihan, B, Tak, P, Wakefield, R, Mease, P, Bingham, C, Hughes, M, Altman, D, Buyse, M, Galbraith, S, Wells, G

A framework for the definition and interpretation of the use of surrogate endpoints in interventional trials by Ciani, O, Manyara, AM, Davies, P, Stewart, D, Weir, CJ, Young, AE, Blazeby, J, Butcher, NJ, Bujkiewicz, S, Chan, A-W, Dawoud, D, Offringa, M, Ouwens, M, Hróbjartssson, A, Amstutz, A, Bertolaccini, L, Bruno, VD, Devane, D, Faria, CDCM, Gilbert, PB, Harris, R, Lassere, M, Marinelli, L, Markham, S, Powers, JH, Rezaei, Y, Richert, L, Schwendicke, F, Tereshchenko, LG, Thoma, A, Turan, A, Worrall, A, Christensen, R, Collins, GS, Ross, JS, Taylor, RS