Ulcerative Colitis Clinical Trials

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Mediterranean Diet and Time-Restricted Feeding Intervention to Improve Gut Health, Quality of Life and Inflammation in Patients With Ulcerative Colitis in Remission: A Pilot Randomized Controlled Trial

Status: Recruiting
Location: See location...
Intervention Type: Behavioral
Study Type: Interventional
Study Phase: Not Applicable
SUMMARY

This study will evaluate whether a 12-week dietary intervention can improve gut health, inflammation, and quality of life in adults with ulcerative colitis in remission. Participants will be randomly assigned to one of three groups: a Mediterranean diet, a Mediterranean diet combined with time-restricted feeding (eating within an 8-hour window each day), or standard dietary advice. The Mediterranean diet emphasizes fruits, vegetables, whole grains, legumes, nuts, olive oil, and fish, while limiting processed foods and red meat. The main outcome will be changes in short-chain fatty acids in stool samples, which are markers of gut health. Additional outcomes include changes in inflammation markers, gastrointestinal symptoms, and quality of life. The results of this study may help identify effective dietary strategies to support patients with ulcerative colitis.

Eligibility
Participation Requirements
Sex: All
Minimum Age: 18
Maximum Age: 60
Healthy Volunteers: f
View:

• Adults aged 18 to 60 years

• Diagnosis of ulcerative colitis

• Clinical remission for at least 6 months

• Fecal calprotectin \< 250 µg/g in the last 3 months

• Daily eating window ≥ 11 hours

Locations
Other Locations
Chile
Pontificia Universidad Católica de Chile
RECRUITING
Santiago
Contact Information
Primary
Alejandra Parada Daza, Phd
acparada@uc.cl
+56994751585
Time Frame
Start Date: 2026-04-10
Estimated Completion Date: 2027-06-01
Participants
Target number of participants: 45
Treatments
Experimental: Mediterranean Diet
Participants will receive individualized nutritional counseling to follow a Mediterranean diet, emphasizing fruits, vegetables, whole grains, legumes, nuts, olive oil, and fish, while limiting red meat and ultra-processed foods.
Experimental: Mediterranean Diet + Time-Restricted Feeding
Participants will follow a Mediterranean diet combined with time-restricted feeding (16:8), consisting of an 8-hour eating window and a 16-hour fasting period
Active_comparator: Standard Diet
Participants will receive standard dietary counseling based on current clinical guidelines for ulcerative colitis.
Sponsors
Leads: Pontificia Universidad Catolica de Chile

This content was sourced from clinicaltrials.gov