A Study Evaluating the Use of Implementing a Low FODMAP Diet in Irritable Bowel Syndrome Patients


About this study

The purpose of this study is to evaluate symptom response to a low FODMAP diet provided by different educational programs, assess adherence to the low FODMAP diet provided by different educational programs, and to measure knowledge retention for different low FODMAP educational programs.

Participation eligibility

Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. There is no guarantee that every individual who qualifies and wants to participate in a trial will be enrolled. Contact the study team to discuss study eligibility and potential participation.

Inclusion Criteria:

  • Adult patients, age 18-75 years old.
  • Seen in the primary care clinic or in the Gastroenterology clinic at Mayo Clinic Florida.
  • Diagnosed with Irritable Bowel Syndrome (IBS) by Rome IV criteria.

Exclusion Criteria:

  • Patients who have previously tried the low FODMAP diet (whether successful or not).
  • Current or recent (less than 4 weeks) opioid use.
  • Current or recent (less than 10 weeks) rifaximin use.
  • Inability to speak or read English.
  • Pregnant.
  • Breast-feeding.
  • Medical or psychological issues that would prevent modifying their diet for 8 weeks.


Participating Mayo Clinic locations

Study statuses change often. Please contact the study team for the most up-to-date information regarding possible participation.

Mayo Clinic Location Status Contact

Jacksonville, Fla.

Mayo Clinic principal investigator

Brian Lacy, M.D., Ph.D.

Open for enrollment

Contact information:

Clinical Studies Unit

(904) 953-2255

More information


Publications are currently not available

Mayo Clinic Footer