P648 Dietary therapy using a short course of Exclusive Enteral Nutrition followed by the Crohn’s Disease Exclusion Diet in children with mild to severe Crohn’s Disease; maintenance update on the DIETOMICS trial
Bibliographic record
Abstract
Abstract Background Exclusive enteral nutrition (EEN) is the first-line treatment for active Crohn’s disease (CD) in children. CD Exclusion Diet (CDED) combined with Partial Enteral Nutrition (PEN) has demonstrated better tolerance with a comparable effect in inducing remission among children with mild to moderate CD. This study evaluated the effectiveness of 2 weeks of EEN followed by CDED+PEN for maintaining remission for up to 24 weeks in children with mild-severe disease. Methods We conducted an international, multicenter, randomized controlled trial comparing 2 weeks of EEN using Modulen®, followed by 3 phases of the CDED+PEN (hereafter CDED), to 8 weeks of EEN followed by PEN with a free diet (hereafter EEN), all extended up to week 24 with a follow up till week 52. Children aged 8-18 with luminal CD duration less than 3 years, mild-severe disease [pediatric CD activity index (PCDAI),15-47.5], and active inflammation [elevated C-reactive protein (CRP),or fecal calprotectin (FC)] were included. Remission was defined as PCDAI≤10. Stable immunomodulator (IM) treatment was allowed, and naïve patients could initiate IM from week 4. Results We randomized 56 patients into two groups: Group CDED (n=30) and Group EEN (n=26); mean age 12.7±2.4, 37% female. Intention-to-treat analysis revealed remission in 18/30(60%) patients with CDED compared to 11/26(42%) with EEN at week 24,p=0.18 and 27% in CDED and 23% in EEN at week 52,p=0.75. Per protocol analysis showed 18/20(90%) remission in CDED compared to 11/14(78%) in EEN at week 8, p=0.35. Among patients who achieved remission at week 8, 18/23(78%) with CDED and 9/14(64%) with EEN maintained remission up to week 24, p=0.15. In CDED,15/20(75%) and 100% of EEN used IM, p=0.04. All CDED patients without IM remained in remission. Reduction of >50% in FC from baseline was obtained in 55% in the CDED and 28% in EEN, p=0.12. PCDAI improved from 31.2[20-35.6] to 5[0-12.5] in CDED and from 22.5[20-29.3] to 5[0-15.6] at week 24 in EEN, p<0.001 to all. CRP and FC significantly improved in both groups. Z score BMI improved from -1.3 [-2.1-(-0.1)] to -0.2 [-0.9-0.4], p=0.003 in CDED and from 0.08[-1.1-0.4] to 0.2[-1.7-0.7] at week 24 in EEN,p=0.098. Remission at week 2 (p=0.006) and overall high compliance (p=0.009) were identified as predictors of response at week 24. Conclusion While 2 weeks of EEN followed by CDED+PEN was not superior to EEN at 14 weeks (as previously reported), extending CDED+PEN for 24 weeks successfully maintained remission for up to 52 weeks in children with mild-to-severe CD. Moreover, a subset of patients maintained sustained clinical remission following CDED monotherapy. The long-term implementation of dietary therapy using CDED+PEN resulted in a significant improvement in nutritional status.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.001 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.002 | 0.002 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.001 | 0.002 |
| Insufficient payload (model declined to judge) | 0.002 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".