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Efficacy of the Autoimmune Protocol Diet for Inflammatory Bowel Disease

The study enrolled adults with active IBD (Harvey–Bradshaw index > 5 or partial Mayo score > 3 and erosions on endoscopy and/or elevated fecal calprotectin). For the autoimmune protocol, patients underwent 6-week elimination followed by 5-week maintenance phase.


From week 0 to weeks 6 and 11, mean partial Mayo score significantly improved from 5.8 (SD 1.2) to 1.2 (SD 2.0) and 1.0 (SD 2.0) for ulcerative colitis, and mean Harvey–Bradshaw index significantly improved from 7 (SD 1.5) to 3.6 (SD 2.1) and 3.4 (SD 2.6) for Crohn’s disease.


C-reactive protein did not significantly change during study. Mean fecal calprotectin improved from 471 (SD 562) to 112 (SD 104) at week 11 (P = 0.12). Among those with follow-up endoscopy at week 11 (n = 7), improvements were noted in simple endoscopic score for Crohn’s disease (n = 1), Rutgeerts score (n = 1), and Mayo endoscopy subscore (n = 4).


Dietary elimination can improve symptoms and endoscopic inflammation in patients with IBD.


Konijeti GG, Kim N, Lewis JD, Groven S, Chandrasekaran A, Grandhe S, Diamant C, Singh E, Oliveira G, Wang X et al: Efficacy of the Autoimmune Protocol Diet for Inflammatory Bowel Disease. Inflammatory Bowel Diseases 2017, 23(11):2054-2060.





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