U.S., April 4 -- ClinicalTrials.gov registry received information related to the study (NCT07510789) titled 'Impact of Low Back Pain Phenotypes on Function and Quality of Life in Ankylosing Spondylitis' on Dec. 12, 2025.
Brief Summary: This study aims to better understand different types of low back pain in patients with ankylosing spondylitis. Low back pain is a common problem in these patients and may affect daily activities and quality of life.
A total of 200 patients with ankylosing spondylitis who have had low back pain for at least three months will be included in the study. Participants will be evaluated during a single visit.
The study will assess pain severity, physical function, and quality of life using standard questionnaires...