β2M, beta-2-microglobulin; CR, complete remission; OR, overall remission; PFS, progression-free survival; Rai III/IV, Rai stage III or IV

* Listed in order of number of patients enrolled (N);

^†time to treatment failure;

^‡Binet stage C;

^§NR, not reached at 15.4 months median follow-up;

^#results combined for concurrent and sequential FR.