Effect of Preoperative Diet on Perioperative Gut Microbiome

Status unconfirmed · Not applicable

Conditions studied: Surgical Site Infection

In brief

The aim of the study is to evaluate the gut microbiome (i.e. bacteria, viruses, and fungi that reside in the gut) of people undergoing abdominal surgery, evaluate whether specific diets can change the gut microbiome, and, if so, whether those changes translate into better surgical outcomes.

Key facts

Study ID

NCT05027763

Run by

Stanford University

People needed

60

Starts

2022-03-01

Expected to finish

2025-09-20

Last updated by the study team

2025-03-24

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• undergoing major abdominal colorectal surgery with intestinal resection in 2 or more weeks

You may not qualify if…

• patients who do not speak English or Spanish
• houseless patients
• decisionally impaired patients
• presence of ileostomy prior to the surgical procedure
• surgery without intestinal resection

Where it is running

• Stanford Health Care — Stanford, California, United States

Full record on ClinicalTrials.gov

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