pubmed-article:6752874 | pubmed:abstractText | In this double blind, crossover trial, 40 patients with ankylosing spondylitis were treated during two successive periods of 4 weeks each with either pirprofen 800 mg/day or ketoprofen 300 mg/day administered orally in a randomized order. The efficacy of pirprofen and ketoprofen was comparable, the results, as assessed by the clinician, were excellent or satisfactory in 53% of both groups. Pirprofen was well tolerated by 71% of the patients and ketoprofen by 59%. | lld:pubmed |