ge Trudexa 40 mg every other week was assessed in 393 patients in two randomised, 24 week double− blind, placebo− controlled studies in patients with active ankylosing spondylitis (mean lon baseline score of disease activity [Bath Ankylosing Spondylitis Disease Activity Index (BASDAI)] was 6.3 in all groups) who have had an inadequate response to conventional therapy.