P768: GUADECITABINE (SGI-110) VS. TREATMENT CHOICE (TC) IN RELAPSED/REFRACTORY(R/R) MYELODYSPLASTIC SYNDROME (MDS), RESULTS OF A GLOBAL, RANDOMIZED, PHASE 3 STUDY. (23rd June 2022) - Garcia-Manero, G.; Bart, S.; McCloskey, J. K.; Fenaux, P.; Selleslag, D.; Reda, G.; Valcárcel, D.; Santini, V.; Mayer, J.; Xicoy, B.; Yamaguchi, H.; Lübbert, M.; et al.