IQVIA艾昆纬：2025年炎症性肠病治疗呈上升趋势报告（英文版）

Inflammatory bowel disease (IBD) refers to a group of conditions characterized by swelling and inflammation of the tissues in the digestive tract. It is an autoimmune disorder that typically appears as a sudden flare-up of symptoms. Most cases are diagnosed in individuals aged 35 years or younger, with a second peak of diagnosis occurring in individuals in their 60s.1 Globally, the highest rates of IBD prevalence and incidence are observed in Northern Europe and North America.