Cure8 research brief
This study suggests routine restriction of oral intake during IBD flares (without obstruction/abscess/fistula) is common but not linked to better short-term outcomes, so unnecessary fasting may be avoidable for many hospitalized patients.
Adult patients with Crohn’s disease or ulcerative colitis hospitalized for flares, inpatient clinicians, hospital dietitians, and caregivers.
This multicenter retrospective cohort study reviewed 315 hospitalized IBD flare admissions (Crohn’s disease, ulcerative colitis, and IBDU) from 2015–2020 and measured time spent nil per os (NPO) or on clear liquids. Most patients (90%) experienced at least one period of restricted oral intake, averaging about one-third of the hospital stay.
Greater duration of NPO/clear-liquid diet was not associated with lower 30- or 90-day readmission, unplanned surgery, or inpatient biologic use, including in Crohn’s and ulcerative colitis subgroups.
The report supports current guideline thinking that routine dietary restriction during IBD flares — in the absence of obstruction, abscess, fistula, or other clear indications — is unlikely to improve short-term clinical outcomes. This study is retrospective, so it can show associations but not prove cause and effect.
If you are hospitalized with an IBD flare, ask your care team whether dietary restrictions are necessary for a specific medical reason rather than being applied routinely.
Structured content depth: abstract — the summary is grounded in the journal abstract available on PubMed. The study is retrospective and observational; results show associations, not causation. The cohort excluded patients with obstruction, abscess, fistula, elective surgery, or new diagnoses, so findings apply to inflammatory flares without those complications.
Review the original publication for the complete reporting, methods, and context.
Conflict statement: Declarations. Conflict of interest: None relevant to this manuscript for any author. LAF has research funding, paid to their institution, for participation in industry-sponsored trials from Takeda, Johnson & Johnson, and CorEvitas.
This Cure8 brief is based on source text from the linked article. Cure8 is informational only and is not a substitute for professional medical advice, diagnosis, or treatment.
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