About this trial
The purpose of this study is to determine if a sustainable non-elemental diet can be used as a probiotic tool to alter the dysbiotic microbiome found in individuals with ulcerative colitis and thereby decrease disease activity.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
• Females and Males between the ages of 18 - 75 years of age at the time of enrolment
Must have established diagnosis of UC by standard endoscopic, radiographic, or histological criteria
Must have active UC defined by having a Mayo score equal to or greater than 2 within two months prior to enrollment
Must have had > 10cm involvement at some point in their disease history
Disqualifiers
• Uncontrolled inflammation which will likely require surgery or escalation of therapy within 4 weeks of enrollment
Pregnant or lactating females
Allergy or intolerance to key or a great number food components of the study diet
Current NSAID use
Trial design
Single group
Treatments tested in this trial
UC intervention diet
Other interventionThe treatment diet has been designed based on the literature with the goal of influencing the biodiversity and density of the microbiome. All food through the duration of the 8 week dietary intervention period of the study will be provided to the treatment arm study participants.
Treatment groups
Trial outcomes
Primary outcomes
Change in microbiome composition
measured by 16S rDNA sequencing and comparing pretreatment diet and the treatment diet within an individual
Change in microbiome function
measured by shotgun sequencing and comparing difference in enriched functional pathways between pretreatment diet and the treatment diet within an individual
Secondary outcomes
Decrease in endoscopic disease activity
measured by a decrease in Mayo score between pretreatment diet and the treatment diet within an individual
Decrease in clinical disease activity
measured by a decrease in serum C-reactive protein (CRP) levels between pretreatment diet and the treatment diet within an individual
Sponsors and contacts
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Mount Sinai Hospital, Canada
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Collaborator