How a Food-Only Diet Matched Feeding-Tube Formula in Kids With Crohn’s

For parents of a child newly diagnosed with Crohn's disease (a chronic inflammatory bowel disease that can inflame any part of the digestive tract), the standard first step often means weeks of nutrient formula, sometimes through a feeding tube, with solid food off the table entirely. A new pediatric trial tested whether a diet built from real food, not just formula, could get kids into remission and keep them there. The results, drawn from a multinational randomized controlled trial of 74 children, show a food-based approach that started out roughly tied with formula-only feeding but pulled decisively ahead by three months. For families weighing tube feeding against a supervised diet, and for anyone trying to gauge how much gut inflammation actually responds to what's on the plate, the gap that opened up matters.

Key takeaways

• Core finding: In a 74-child trial, kids on the Crohn's Disease Exclusion Diet (CDED) plus partial enteral nutrition (PEN) reached 76% sustained remission at week 12, versus 45% on exclusive enteral nutrition (EEN) alone (p=0.01).
• Real-world implication: For children with mild-to-moderate luminal Crohn's disease, a supervised food-based diet plus partial formula performed as well as, and eventually better than, formula-only feeding, without cutting out solid food entirely.
• Headline caveat: The advantage was not yet significant at week 6 (p=0.38); it only became statistically significant by week 12, and the strong evidence base remains pediatric only.

CDED Plus Partial Enteral Nutrition Beats Formula-Only Feeding by Week 12

A multinational randomized controlled trial, summarized in a review in Practical Gastroenterology, found that children with Crohn's disease who followed the Crohn's Disease Exclusion Diet (CDED, a phased whole-food diet that removes ingredients linked to gut inflammation while reintroducing others in stages) alongside partial enteral nutrition (PEN, a supplemental nutritional formula taken alongside regular food) reached sustained remission more often than children given exclusive enteral nutrition (EEN, a formula-only regimen with no solid food) on its own. By week 12, 76% of children on CDED+PEN were in sustained clinical remission, compared with 45% on EEN alone, a gap the original trial reported as statistically significant (p=0.01). The diet was developed by Sigall-Boneh and colleagues in Israel and validated in this larger, multinational cohort by Levine and co-investigators.

Why It Matters for Kids With Mild-to-Moderate Crohn's

The trial enrolled children with mild-to-moderate luminal Crohn's disease (inflammation limited to the intestinal lining, without complications such as strictures or fistulas), the population for whom exclusive enteral nutrition is already a standard, steroid-sparing first-line option in pediatric gastroenterology. EEN works, but sticking with a formula-only diet for six to eight weeks is notoriously hard on kids and families; some children need a nasogastric tube just to get enough formula down. A diet that lets children eat real, if restricted, food while still reaching comparable or better remission rates could ease one of the biggest adherence problems in pediatric Crohn's care, without asking families to give up a treatment that already works.

Inside the 74-Child Randomized Trial

Researchers randomized 74 children with mild-to-moderate luminal Crohn's disease to either CDED+PEN or EEN and measured clinical remission at two points: week 6 (induction) and week 12 (sustained remission). At week 6, the groups looked similar: 75% remission on CDED+PEN versus 59% on EEN, a difference that was not statistically significant (p=0.38). The two diets only pulled apart by week 12, when CDED+PEN's remission rate held at 76% while EEN's dropped to 45%. Secondary measures moved in the same direction: fecal calprotectin (a protein measured in stool that rises when the intestinal lining is inflamed, used as a non-invasive marker of disease activity) decreased more in the CDED+PEN group, and those children also gained more weight than children on EEN alone. In a small subgroup that kept following CDED after stopping the formula supplement entirely, 6 of 7 children remained in remission, though that group was too small to draw firm conclusions from on its own.

What This Means for Managing a Child's Diagnosis

CDED is not a general "eat healthier" recommendation; in the trial, it was a structured, clinically supervised protocol with defined food lists and phased reintroduction, run alongside a pediatric gastroenterology or dietetics team. Parents researching options for a child with Crohn's disease can reasonably ask a treating physician whether a supervised diet-based approach, such as CDED, fits their child's disease severity and family circumstances as an alternative to formula-only feeding. What the trial does not support is a self-directed elimination diet outside clinical supervision. Nothing here establishes CDED as a substitute for medical care, and growing children with active inflammation need monitored nutrition regardless of which protocol they follow.

Why the Evidence Still Has Real Limits

The trial's 74 participants is a moderate sample for a pediatric RCT, and the headline result rests on the week-12 comparison, not the week-6 one; the earlier difference between diets was not statistically significant. The review notes robust evidence for CDED so far is limited to children, with the underlying document itself describing adult data as scant. Longer-term outcomes beyond the trial's follow-up window, including how many children stay in remission for years rather than months, are also not yet established.

Next Steps: Validation and Maintenance-Phase Trials

Beyond the induction trial covered here, researchers have been extending the CDED approach into maintenance-phase trials testing whether a modified version of the diet can keep children in remission over the longer term, not just get them there. Wider clinical uptake will likely depend on that maintenance data, on replication in adult populations, and on pediatric gastroenterology societies formally weighing CDED against EEN in treatment guidelines.

Common Questions

Is CDED safe to try at home without a doctor's involvement? No. The trial supervised every phase of food introduction through a clinical team; attempting a similar elimination diet on a growing child without that oversight risks nutrient deficiencies.

Does this trial apply to adults with Crohn's disease? Not directly. The 74 participants were all children with mild-to-moderate luminal Crohn's disease, and adult evidence for CDED remains scant.

How is CDED different from a normal healthy diet? CDED follows a specific, staged list of included and excluded foods designed to reduce gut inflammation, then reintroduces foods in phases under monitoring, rather than offering general nutrition advice.

Why did researchers also track fecal calprotectin? It's a stool protein that rises with intestinal inflammation, giving researchers and clinicians a non-invasive way to check whether a treatment is calming gut inflammation, not just easing symptoms.

References

1. PP Tizzard, S Paseka, A Husain, E Lai, GG Konijeti… (2026). The Role of the Crohn's Disease Exclusion Diet in Treatment and Management of Crohn's Disease. PRACTICAL. https://practicalgastro.com/wp-content/uploads/2026/07/Nutrition-June-2026.pdf
2. Dawei Gong, Xinjuan Yu, Lili Wang, Lingling Kong, Xiaojie Gong, Quanjiang Dong (2017). Exclusive Enteral Nutrition Induces Remission in Pediatric Crohn’s Disease via Modulation of the Gut Microbiota. BioMed Research International. https://doi.org/10.1155/2017/8102589
3. Rotem Sigall Boneh, Catherine Westoby, Ilan Oseran, et al. (2023). The Crohn’s Disease Exclusion Diet: A Comprehensive Review of Evidence, Implementation Strategies, Practical Guidance, and Future Directions. Inflammatory Bowel Diseases. https://doi.org/10.1093/ibd/izad255