Table 2

Reasons for discontinuation by study

Reason for Discontinuation n (%)
Study 1 (n = 339)
Study 2 (n = 346)
Study 3 (n = 548)
Study 4 (n = 394)
Total (N = 1627)

Overall Discontinuation
161(47.5)
190(54.9)
268(48.9)
247(62.7)
866(53.2)

Poor Response or Worsening
67(41.6)
78(41.0)
99(36.9)
71(28.7)
315(36.4)
Intolerability to Medication
19(11.8)
16(8.4)
31(11.6)
40(16.2)
106(12.2)
Other Reasons*
75(46.6)
96(50.5)
138(51.5)
136(55.1)
445(51.4)

*Other reasons for discontinuation included criteria not met, lost to follow-up, noncompliance, personal conflict, physician decision, satisfactory response, and sponsor decision.

Liu-Seifert et al. BMC Medicine 2005 3:21   doi:10.1186/1741-7015-3-21