Table 1

Reasons for discontinuation of previous TNF inhibitor

ReasonRituximabAlternative TNF inhibitorAll patients
Full analysis population(n=604)(n=507)(n=1111)
Inefficacy465 (77.0)362 (71.4)827 (74.4)
 Primary*214 (46.0)115 (31.8)329 (39.8)
 Secondary*244 (52.5)233 (64.4)477 (57.7)
 Missing data7 (1.5)14 (3.9)21 (2.5)
Intolerance128 (21.2)136 (26.6)263 (23.7)
Other11 (1.8)10 (2.0)21 (1.9)
Primary effectiveness population(n=405)(n=323)(n=728)
Inefficacy311 (76.8)236 (73.1)547 (75.1)
 Primary*130 (41.8)74 (31.4)204 (37.3)
 Secondary*176 (56.6)156 (66.1)332 (60.7)
 Missing data5 (1.6)6 (2.5)11 (20.1)
Intolerance89 (22.0)79 (24.5)168 (23.1)
Other6 (1.2)8 (2.5)13 (1.8)
  • Values are number (%).

  • *Primary inefficacy, lack of initial clinical response to TNF inhibitor treatment; secondary inefficacy, development of an inadequate response over time after an initial clinical response.

  • TNF, tumour necrosis factor.