Actively Recruiting

Phase Not Applicable
Age: 18Years +
All Genders
NCT05849012

A Pilot Study Examining Low Sulfur Diet as Treatment for Persistent Symptoms in Quiescent Crohn's Disease

Led by University of Michigan · Updated on 2026-01-15

20

Participants Needed

1

Research Sites

176 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

The goal of this study is to learn about a low sulfur diet in patients with Crohn's disease. Study participants will be randomized to receive a low sulfur diet or usual diet for 8 weeks. Participants will work with study nutritionists and receive dietary educational materials. Participants will attend 2 in-person visits as well as 6 phone visits during the study. In addition, subjects will undergo testing, including a test to measure rectal sensation, a test to look for small intestinal bacterial overgrowth, and a test to measure leaky gut.

CONDITIONS

Official Title

A Pilot Study Examining Low Sulfur Diet as Treatment for Persistent Symptoms in Quiescent Crohn's Disease

Who Can Participate

Age: 18Years +
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Prior diagnosis of Crohn's disease based on endoscopic, radiographic, and/or histologic findings
  • Quiescent Crohn's disease defined by fecal calprotectin less than 150 mcg/g stool and/or no inflammation on colonoscopy within 30 and 90 days of enrollment
  • Persistent symptoms defined by abdominal pain and/or diarrhea T-scores ≥ 55 by NIH PROMIS-GI scale
Not Eligible

You will not qualify if you...

  • Prior total colectomy
  • Presence of an end ileostomy or colostomy
  • Changes in immunosuppressive medications within the past 4 weeks
  • Use of antibiotics or probiotics within the past 4 weeks
  • Active or suspected gastrointestinal stricture or stenosis
  • Habitual vegetarian or vegan diet
  • Unable or unwilling to follow a low sulfur diet
  • Underweight with BMI < 18.5 kg/m2 or >7.5% unintentional weight loss in past 3 months
  • Currently pregnant, breastfeeding, or unwilling/inability to use contraception during the study
  • Agreement to not donate sperm, ova, or breast milk during the study

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 1 location

1

University of Michigan

Ann Arbor, Michigan, United States, 48109

Actively Recruiting

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Research Team

A

Allen Lee, MD, MS

CONTACT

M

Merrick Bay

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

2

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