Progression free survival (PFS) according to the results of QIP-MS and NGF at the 4 time points analyzed. Landmark analyses of PFS of patients included in GEM12MENOS65 and GEM2014MAIN based on MRD status by QIP-MS (left panels) or by NGF (right panels) at postinduction (A), post-ASCT (B), postconsolidation (C), and after 2 years of maintenance (D).