U.S., Jan. 24 -- ClinicalTrials.gov registry received information related to the study (NCT07364734) titled 'Epidemiological Characteristics and Efficacy Evaluation of Difficult-To-Treat Crohn's Disease' on Jan. 16.
Brief Summary: Difficult to treat Crohn's disease (DTT-CD) was defined by the International Organization for the Study of Inflammatory Bowel Diseases (IOIBD) in 2023, which refers to CD patients with poor response to drug treatment and poor prognosis. Foreign epidemiological studies have shown that DTT-CD accounts for 24.8% of all CD patients, and most of them are patients with advanced treatment failure according to more than two different mechanisms. Our previous retrospective data suggested that compared with foreign DTT-CD ...