Diet boosts IBD drug power? new study tests food as medicine
NCT ID NCT06896305
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tests whether adding a special diet called the Crohn's Disease Exclusion Diet (CDED) to standard anti-TNF therapy can improve outcomes for people with active Crohn's disease or ulcerative colitis. Eighty adults starting anti-TNF drugs will be randomly assigned to either receive dietary advice on CDED or continue with medication alone. The goal is to see if the diet helps more patients achieve symptom remission and better quality of life.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Crohn's Disease Exclusion Diet (CDED) plus anti-TNF therapy
- What this could lead to
- If it works, this could show that a specific diet helps anti-TNF drugs work better for people with inflammatory bowel disease, potentially improving symptom control and quality of life.
- What could go wrong
- This is a small, early-stage study with only 80 participants. Diet adherence is voluntary and not enforced, so results may vary. The diet is restrictive and may be hard to follow long-term.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 80 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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May 2025
- Expected to finish
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Oct 2027
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1. Participant is willing and able to give informed consent forparticipation in the study 2. Males or Females, Adults aged 18 years or older 3. Confirmed diagnosis of moderate-to-severe Crohn's disease orulcerative colitis 4. Patients who are planned to start anti-TNF therapy 5. Ability and willingness to comply with the Crohn's DiseaseExclusion Diet (CDED) Exclusion Criteria: 1. Patients with undetermined inflammatory bowel disease 2. Patients with metabolic or gastrointestinal conditions that couldinterfere or are incompatible with the study intervention (e.i.celiac disease, diabetes etc) 3. Patients with a body-mass index lower than 17 or greater than30 4. Patients who previously underwent intestinal resectionirrespective of cause 5. Patients currently on exclusive enteral nutrition (EEN) 6. Patients who have previously used or are currently adhering toCDED 7. Pregnant or breastfeeding women 8. Patients with a history of severe allergic reactions orintolerance to any food recommended in CDED 9. Patients with significant comorbidities that may interfere withthe study or pose a risk to the participant 10. Inability or unwillingness to comply with study protocols orfollow-up schedules
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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IRCCS Ospedale San Raffaele
RECRUITINGMilan, Michigan, 20132, Italy
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Other studies related to the condition(s) this trial covers.
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- Can tissue clues predict which Crohn's patients relapse after surgery?
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- Antiparasitic drug tested as new weapon against ulcerative colitis
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