New genomic research from Aalborg University enables doctors to predict severity of inflammatory bowel disease at diagnosis

Aalborg University researchers find that genetic risk factors can forecast the severity of inflammatory bowel disease at the time of diagnosis.

By: AXL Media

Published: Mar 2, 2026, 6:05 AM EST

Source: The information in this article was sourced from Aalborg University

Identifying genomic markers for disease progression

A study conducted at the DNRF Center of Excellence PREDICT at Aalborg University has established that genomic risk profiles can predict the intensity of inflammatory bowel disease from the moment of diagnosis. Approximately 60,000 Danes currently live with chronic inflammatory conditions such as Crohn's disease or ulcerative colitis, often facing unpredictable transitions between mild discomfort and debilitating relapses. This research, published in the journal Gastroenterology, provides a statistical framework to distinguish between patients who may require aggressive early intervention and those likely to experience a manageable disease course.

Integration of national biobank and clinical data

The research team reached these conclusions by synthesizing extensive datasets from Denmark's national registries with clinical material from the National Biobank. The study included nearly 8,300 Danish citizens, allowing for a robust comparison between genetic predispositions and actual clinical outcomes. Findings indicate that individuals with a higher polygenic risk for developing inflammatory bowel disease are also significantly more likely to suffer from severe complications, including extensive tissue damage and the eventual need for surgical intervention.

Role of specific genetic variants in surgery risk

The current findings build upon previous specialized research involving the HLA-DRB1*01:03 gene. Prior data indicated that this specific genetic variant significantly increases the likelihood of major surgery for patients suffering from ulcerative colitis. By expanding the scope to a larger cohort, the researchers at Aalborg University have reinforced the idea that biological markers are not just indicators of disease presence, but are also reliable forecasters of how aggressively the disease will manifest over time.