AIDA 0493 protocol for newly diagnosed acute promyelocytic leukemia: very long-term results and role of maintenance by Giuseppe Avvisati, Francesco Lo-Coco, Francesca Paola Paoloni, Maria Concetta Petti, Daniela Diverio, Marco Vignetti, Roberto Latagliata, Giorgina Specchia, Michele Baccarani, Eros Di Bona, Giuseppe Fioritoni, Filippo Marmont, Alessandro Rambaldi, Francesco Di Raimondo, Maria Grazia Kropp, Giovanni Pizzolo, Enrico M. Pogliani, Giuseppe Rossi, Nicola Cantore, Francesco Nobile, Attilio Gabbas, Felicetto Ferrara, Paola Fazi, Sergio Amadori, Franco Mandelli, and Blood Volume 117(18):4716-4725 May 5, 2011 ©2011 by American Society of Hematology AIDA protocol: treatment schedule. Giuseppe Avvisati et al. Blood 2011;117:4716-4725 ©2011 by American Society of Hematology EFS, OS, and DFS. EFS (A) and OS (B) probability for the whole cohort of patients. Giuseppe Avvisati et al. Blood 2011;117:4716-4725 ©2011 by American Society of Hematology DFS probability before maintenance amendment by randomization. Giuseppe Avvisati et al. Blood 2011;117:4716-4725 ©2011 by American Society of Hematology DFS probability after maintenance amendment by randomization. Giuseppe Avvisati et al. Blood 2011;117:4716-4725 ©2011 by American Society of Hematology