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Showing 1–24 of 28 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Ulcerative Colitis Diet Clear all
Not listed Not applicable Interventional

SCD vs. Mediterranean Diet Therapy in Ulcerative Colitis

NCT04398550
View directory record Official record
Conditions
Ulcerative Colitis
Interventions
Specific Carbohydrate Diet, Mediterranean Diet
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 30, 2022 · Synced Sep 4, 2026, 1:00 PM EDT
Completed Not applicable Interventional

Personalized Research on Diet in Ulcerative Colitis and Crohn's Disease

NCT03301311
View directory record Official record
Conditions
Inflammatory Bowel Diseases, Crohn Disease, Ulcerative Colitis, Indeterminate Colitis
Interventions
Specific Carbohydrate Diet (SCD), Modified Specific Carbohydrate Diet (MSCD)
Other
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
7 Years to 18 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
20
States / cities
Little Rock, Arkansas • Los Angeles, California • Oakland, California + 17 more
Source: ClinicalTrials.gov public record
Updated Jun 27, 2022 · Synced Sep 4, 2026, 1:00 PM EDT
Completed Phase 2 Interventional

Elemental Diet for Treatment of Inflammatory Bowel Disease in Patients With Chronic Granulomatous Disease

NCT03983837
View directory record Official record
Conditions
Chronic Granulomatous Disease, Inflammatory Bowel Disease
Interventions
Neocate Splash
Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
8 Years to 65 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 10, 2025 · Synced Sep 4, 2026, 1:00 PM EDT
Completed Not applicable Interventional

Treatment With the Specific Carbohydrate Diet for Children With Active Crohns Disease and Ulcerative Colitis

NCT02213835
View directory record Official record
Conditions
Crohn's Disease, Ulcerative Colitis
Interventions
Specific Carbohydrate diet (SCD)
Other
Lead sponsor
David Suskind
Other
Eligibility
8 Years to 21 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 23, 2019 · Synced Sep 4, 2026, 1:00 PM EDT
Recruiting Not applicable Interventional

The Influence of a Fasting Mimicking Diet on Ulcerative Colitis

NCT03615690
View directory record Official record
Conditions
Inflammatory Bowel Disease, Diet Modification, Ulcerative Colitis
Interventions
Fasting Mimicking Diet, Regular Diet
Other
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 70 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2028
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Feb 26, 2026 · Synced Sep 4, 2026, 1:00 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Dietary Impact on Intestinal Sulfate Metabolism

NCT05333900
View directory record Official record
Conditions
Healthy Nutrition
Interventions
Plant-Based Diet then animal-based diet, Animal-based diet then plant-based diet
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 80 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 4, 2023 · Synced Sep 4, 2026, 1:00 PM EDT
Withdrawn Early Phase 1 Interventional

Evaluating the Combined Effect of Vedolizumab and Semi-Vegetarian Diet on Ulcerative Colitis.

NCT03309865
View directory record Official record
Conditions
Ulcerative Colitis, Dietary Modification
Interventions
semi-vegetarian diet, Vedolizumab Injection
Dietary Supplement · Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Sep 25, 2018 · Synced Sep 4, 2026, 1:00 PM EDT
Completed Not applicable Interventional Results available

Effects of Carrageenan-Elimination Diet on Ulcerative Colitis Disease Activity

NCT01065571
View directory record Official record
Conditions
Ulcerative Colitis
Interventions
carrageenan, dietary intervention with no-carrageenan diet
Dietary Supplement · Other
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
2
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 25, 2019 · Synced Sep 4, 2026, 1:00 PM EDT
Recruiting Not applicable Interventional

Ketogenic and Carnivore (Lion) Diets for Inflammatory Bowel Disease and Rheumatoid Arthritis

NCT07524244
View directory record Official record
Conditions
Rheumatoid Arthritis (RA), Crohn's Disease (CD), Ulcerative Colitis (UC)
Interventions
Ketogenic diet, Carnivore (Lion) Diet
Behavioral
Lead sponsor
Fuller Research Foundation
Other
Eligibility
18 Years to 64 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Sep 4, 2026, 1:00 PM EDT
Completed Phase 3 Interventional Results available

Second Line Induction Therapy and Healthy Diet for Patients With Ulcerative Colitis

NCT04505410
View directory record Official record
Conditions
Ulcerative Colitis
Interventions
A plant based high fiber diet that mimics fasting ("FMD") plus advanced therapy, Advanced therapy only without dietary intervention
Other · Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Feb 27, 2025 · Synced Sep 4, 2026, 1:00 PM EDT
Recruiting Not applicable Interventional

Diet and Stress Management Combined With Advanced Therapy for Crohn's and Ulcerative Colitis

NCT07168499
View directory record Official record
Conditions
IBD (Inflammatory Bowel Disease)
Interventions
Diet Management, Stress Management
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 5, 2025 · Synced Sep 4, 2026, 1:00 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Impact of Circadian Misalignment on Colonic Barrier Homeostasis in Ulcerative Colitis

NCT05180279
View directory record Official record
Conditions
Ulcerative Colitis
Interventions
7-day sleep lab
Behavioral
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years to 50 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 18, 2025 · Synced Sep 4, 2026, 1:00 PM EDT
Completed Not applicable Interventional

Diet Study on Ulcerative Colitis

NCT04147598
View directory record Official record
Conditions
Ulcerative Colitis
Interventions
LFD, SAD
Other
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 70 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Oct 31, 2019 · Synced Sep 4, 2026, 1:00 PM EDT
Recruiting Not applicable Interventional

Impact of Prebiotics in Ulcerative Colitis

NCT06495658
View directory record Official record
Conditions
Crohn Disease, Ulcerative Colitis
Interventions
Prebiotic
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 85 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 26, 2026 · Synced Sep 4, 2026, 1:00 PM EDT
Completed Phase 2 Interventional Results available

Examining the Efficacy of Fecal Microbiota Transplantation (FMT) and Dietary Fiber in Patients With Ulcerative Colitis

NCT03998488
View directory record Official record
Conditions
Ulcerative Colitis, Inflammatory Bowel Diseases
Interventions
Fecal Microbiota Transplantation, Psyllium Husk Powder
Drug · Dietary Supplement
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 89 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 2, 2025 · Synced Sep 4, 2026, 1:00 PM EDT
Active, not recruiting Not applicable Interventional Results available

A Study of Endoscopic Sleeve Gastroplasty for Obesity in Ulcerative Colitis

NCT05739162
View directory record Official record
Conditions
Obesity, Ulcerative Colitis
Interventions
Apollo Endoscopic Suture System, Lifestyle Intervention
Device · Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
22 Years to 69 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Sep 4, 2026, 1:00 PM EDT
Completed Not applicable Interventional

Broccoli Sprouts for Mild Ulcerative Colitis

NCT05507931
View directory record Official record
Conditions
Ulcerative Colitis, Ulcerative Colitis Chronic Mild
Interventions
1 Serving of broccoli sprouts, 3 Servings of broccoli sprouts
Dietary Supplement
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Sep 4, 2026, 1:00 PM EDT
Not yet recruiting Not applicable Interventional

The EDICT Trial - Therapy for Inflammatory Bowel Disease Flares

NCT07143188
View directory record Official record
Conditions
Inflammatory Bowel Disease
Interventions
elemental diet (ED)
Dietary Supplement
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
21 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 28, 2026 · Synced Sep 4, 2026, 1:00 PM EDT
Completed Not applicable Interventional

Microbiota-targeted Diet for Pediatric UC

NCT02922881
View directory record Official record
Conditions
Ulcerative Colitis
Interventions
Ulcerative Colitis Diet (UCD)
Other
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
8 Years to 19 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 21, 2021 · Synced Sep 4, 2026, 1:00 PM EDT
Not yet recruiting Not applicable Interventional

Impact of a Human Origin Heat Inactivated Probiotic-Lactobacillus Paracasei D3.5 (LpD3.5) as Dietary Supplement on Gut Mucin and Intestinal Permeability in Adults With IBD

NCT07017959
View directory record Official record
Conditions
Inflammatory Bowel Diseases
Interventions
LpD3.5 supplementation., Placebo
Dietary Supplement
Lead sponsor
University of South Florida
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Jun 11, 2025 · Synced Sep 4, 2026, 1:00 PM EDT
Recruiting Not applicable Interventional

Fermented Food-Supplemented Diet in Ulcerative Colitis

NCT04401605
View directory record Official record
Conditions
Inflammatory Bowel Diseases, Diet Modification, Ulcerative Colitis
Interventions
Fermented Food-supplemented Diet, Regular Diet
Other
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Feb 26, 2026 · Synced Sep 4, 2026, 1:00 PM EDT
Active, not recruiting Not applicable Interventional

Dietary Therapy and Gut Microbiome in Crohn's Disease and Ulcerative Colitis

NCT02412553
View directory record Official record
Conditions
Crohn's Disease
Interventions
Specific carbohydrate diet, Elemental diet
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 90 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 24, 2025 · Synced Sep 4, 2026, 1:00 PM EDT
Recruiting Not applicable Interventional

Tailored Anti-Inflammatory (A-I) Diet for Americans With Ulcerative Colitis (UC)

NCT06784323
View directory record Official record
Conditions
Ulcerative Colitis
Interventions
Catered diet, Diet guidance sessions, Dietary counseling, Feedback sessions
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
16 Years to 75 Years
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Mar 29, 2026 · Synced Sep 4, 2026, 1:00 PM EDT
Completed Phase 4 Interventional

Use of a Novel Diet (UC DIET) for Treatment of Mild to Moderate Active Pediatric Ulcerative Colitis

NCT02345733
View directory record Official record
Conditions
Ulcerative Colitis (UC)
Interventions
Ulcerative Colitis Diet, Antibiotic cocktail
Other · Drug
Lead sponsor
Prof. Arie Levine
Government
Eligibility
8 Years to 19 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 31, 2022 · Synced Sep 4, 2026, 1:00 PM EDT