Could an american-style diet calm ulcerative colitis? new study investigates
NCT ID NCT06784323
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether a diet made from common American foods like sandwiches, grilled meats, and oatmeal can reduce inflammation and improve symptoms in people with ulcerative colitis. Over 8 weeks, 122 participants will receive catered meals and guidance from a dietitian. The goal is to see if this approach can help control the disease and identify biological markers of response.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- anti-inflammatory diet with American staple foods
- What this could lead to
- If it works, this could offer a dietary approach to help manage ulcerative colitis and reduce inflammation without added medication.
- What could go wrong
- This is a small early-stage trial with only 122 participants, so results may not apply to everyone. The diet may be hard to follow long-term, and it's not a cure.
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 122 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Mar 2025
- Expected to finish
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Sep 2030
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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16 to 75 years
- 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.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Documented diagnosis with ulcerative colitis from medical records. * Self-Identify as American * Ages 16-75 * SCCAI between 3-9 (no greater than 12 bowel movements a day) * Fecal calprotectin \> 150mg/dl. * On stable medications for their disease for the past 3 months * Likeability of American foods (sandwiches, BBQ or grilled meats and vegetables, baked potatoes, smoothies, salmon, oatmeal, avocado, soups) * No recent Inflammatory Bowel Disease (IBD) related hospitalization in the last month. Exclusion Criteria: * Diagnosis of Crohn's Disease (CD). * Prior ileoanal anastomosis (J-pouch) or diversion * No recent hospitalizations on the last 4 weeks * No Clostridium difficile or enteric infections on the last 4 weeks * No use of probiotics on the last 4 weeks * Patients following the specific carbohydrate diet or mediterranean diet or anti-inflammatory diet * No active cancer or conditions limiting their ability to follow a diet (heart failure, end stage renal disease) * Pregnancy, breastfeeding or planning to become pregnant during study period * Use of Total Parenteral Nutrition at the time of screening and during the study period * Other significant or life-threatening co-morbidities * The need for antibiotic use during the study period * Adults unable to consent * Ages less than 16 and \> 75 years old * Prisoners
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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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University of Miami Health System
RECRUITINGMiami, Florida, 33136, United States
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