American-style low-fat, high-fiber diet to reduce gut inflammation in ulcerative colitis

Targeting gut inflammation through diet: a tailored American diet for patients with ulcerative colitis

NIH-funded research University of Miami School of Medicine · NIH-11180220

A low-fat, high-fiber American-style diet with a balanced n-6:n-3 fat ratio to help adults with mild to moderate ulcerative colitis reach remission.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Miami School of Medicine NIH-funded
Lab location1 site (Coral Gables, United States)
Project IDNIH-11180220 on NIH RePORTER

What this research studies

You will follow a personalized American-style low-fat (<3:1 n-6:n-3), high-fiber diet built around foods you prefer. The study compares this tailored diet to a typical Western diet over an eight-week period to see who reaches disease remission. Researchers will collect stool samples to study the microbiome and blood samples to measure polyunsaturated fatty acids before and after the diet. The team will examine whether your baseline microbiome or blood PUFA levels help predict who benefits from the diet.

Who could benefit from this research

Good fit: Adults in the United States with mild to moderate ulcerative colitis who can follow a dietary program and attend clinic visits.

Not a fit: People with severe or fulminant ulcerative colitis, those needing immediate surgery, or those unable to adhere to the diet may not benefit.

Why it matters

Potential benefit: If successful, this could provide a personalized, food-based way to help people with ulcerative colitis achieve remission and lower inflammation.

How similar studies have performed: Small pilot studies and preliminary data suggest low-fat, higher-fiber diets and PUFA-informed approaches can lower inflammation, but larger randomized trials are limited.

Where this research is happening

Coral Gables, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.