Who was studied in the ASSERT study?
The study included 279 patients at 33 research centers in North America and Europe. All patients had active ankylosing spondylitis that had been diagnosed for at least 3 months. To enter the study, patients had to have active AS as determined by the presence of symptoms such as fatigue, morning stiffness, back and joint pain. The majority of patients in the study were also taking nonsteroidal anti-inflammatory drugs (NSAIDs) (e.g., ibuprofen).