Can enteral nutrition therapy help achieve remission for Chinese patients with inflammatory bowel disease?

Enteral nutrition (EN) therapy, which involves using liquid formula diets to provide nutrition, is a recognized treatment for inflammatory bowel disease (IBD), particularly Crohn's disease. For Chinese patients, a large study found that EN was associated with clinical remission in 60% of patients over 6 weeks, with improvements in nutrition and inflammation. This approach may be especially helpful for those who cannot tolerate or do not respond to standard medications.

What the research says

A retrospective study of 750 Chinese IBD patients (400 with Crohn's disease, 350 with ulcerative colitis) found that enteral nutrition therapy was associated with clinical remission in 60% of patients over 6 weeks ⁶. Remission was defined as a Crohn's Disease Activity Index score below 150 for Crohn's disease and a Mayo score of 2 or less for ulcerative colitis ⁶. The study also reported significant improvements in nutritional markers like hemoglobin, albumin, and body mass index, as well as reductions in inflammatory markers such as erythrocyte sedimentation rate ⁶. Elemental and semi-elemental formulas were more commonly used in Crohn's disease and were linked to better outcomes ⁶.

For pediatric Crohn's disease, a network meta-analysis of 14 studies found that exclusive enteral nutrition (EEN) and partial enteral nutrition combined with the Crohn's disease exclusion diet (PEN+CDED) were effective for inducing remission ¹⁰. PEN+CDED showed an odds ratio of 7.86 for clinical remission compared to standard therapy ¹⁰. Another review of the Crohn's disease exclusion diet reported clinical remission rates of 70%-94% in pediatric patients and 45%-83% in adults, with improvements in inflammatory markers and gut microbiota ⁹.

While the evidence supports EN for Crohn's disease, its role in ulcerative colitis is less established. The Chinese study included both Crohn's disease and ulcerative colitis patients, but the majority of dietary therapy research focuses on Crohn's disease ⁶⁹¹⁰. For acute severe ulcerative colitis, exclusive enteral nutrition may play a role in comprehensive management, but it is not a first-line therapy ¹¹.

What to ask your doctor

• Could enteral nutrition therapy be a suitable option for my type and severity of IBD?
• What type of enteral formula (elemental, semi-elemental, or polymeric) would you recommend for my condition?
• How long should I try enteral nutrition before evaluating if it is working?
• Can enteral nutrition be combined with my current medications, or is it a replacement?
• Are there any side effects or risks I should be aware of with enteral nutrition therapy?