Multi-country Post-Marketing Observational Study on Maintenance of Effectiveness of Adalimumab (Humira®) in Patients With Ankylosing Spondylitis and Psoriatic Arthritis

This 12-month postmarketing observational study (PMOS) was a prospective, single-arm, multicenter, multi-country study, with follow-up visits at 3, 6, 9, and 12 months after the initial baseline visit. The study was conducted to determine the long-term effectiveness of treatment with adalimumab in routine clinical use in participants with Ankylosing Spondylitis (AS) and Psoriatic Arthritis (PsA) in Central and Eastern European Countries.