DR ≥ 12 months DR < 12 months
Responding patients (n=23)   N=10 (43%) N=13 (57%)
Histology Follicular 7 7
  Other 3 6
Prior treatment lines 1 6 1
  >1 4 12
DR of last treatment < 1 an 4 8
  ≥ 1 an 6 5
Response status CR 9 8
  PR 1 5
Table 4: Characteristics of patients according to their duration of response (DR).